Page 2
Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing.
Contents Notices ....................vi Safety information ................vii About this guide ................viii P5WDG2 WS Professional specifications summary ......x Chapter 1: Product introduction Chapter 1: Product introduction Chapter 1: Product introduction Chapter 1: Product introduction Chapter 1: Product introduction Welcome! ................
Page 4
4.1.1 ASUS Update utility ..........4-1 4.1.2 Creating a bootable floppy disk ......4-4 4.1.3 ASUS EZ Flash 2 utility ........... 4-5 4.1.4 AFUDOS utility ............4-6 4.1.5 ASUS CrashFree BIOS 2 utility ........ 4-9 BIOS setup program ............4-11 4.2.1...
Page 5
5.3.3 AI Gear ..............5-14 5.3.4 AI Nap ..............5-16 5.3.5 AI Booster ............. 5-17 5.3.6 ASUS PC Probe II ........... 5-18 5.3.7 SoundMAX ® High Definition Audio utility ....5-24 RAID configurations ............5-29 5.4.1 Installing Serial ATA hard disks ......5-30 5.4.2...
Page 6
Appendix: CPU features Appendix: CPU features Appendix: CPU features Appendix: CPU features Appendix: CPU features Intel ® EM64T ................ A-1 Enhanced Intel SpeedStep ® Technology (EIST) ....A-1 Intel ® Hyper-Threading Technology ........A-3 v i v i v i v i v i...
Notices Federal Communications Commission Statement Federal Communications Commission Statement Federal Communications Commission Statement Federal Communications Commission Statement Federal Communications Commission Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: • This device may not cause harmful interference, and •...
Safety information Electrical safety Electrical safety Electrical safety Electrical safety Electrical safety • To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. • When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected.
A S U S w e b s i t e s A S U S w e b s i t e s The ASUS website provides updated information on ASUS hardware and software products. Refer to the ASUS contact information.
Page 10
Conventions used in this guide Conventions used in this guide Conventions used in this guide Conventions used in this guide Conventions used in this guide To make sure that you perform certain tasks properly, take note of the following symbols used throughout this manual. D A N G E R / W A R N I N G : D A N G E R / W A R N I N G : D A N G E R / W A R N I N G :...
P5WDG2 WS Professional specifications summary C P U C P U C P U C P U C P U LGA775 socket for Intel ® Core™2 Duo/Pentium ® Pentium ® 4/Celeron ® CPU support Intel ® Presler 65nm Dual core CPU support Intel ®...
Page 12
ASUS CrashFree BIOS 2 ASUS EZ Flash 2 ASUS C.P.R. (CPU Parameter Recall) ASUS CPU Lock Free AI Quiet ASUS PEG Link 2 (automatic performance tuning for single/dual graphics cards) Precision Tweaker Stack Cool 2 patented fanless cooling technology 8-Phase Power Design...
Page 13
P5WDG2 WS Professional specifications summary R e a r p a n e l R e a r p a n e l R e a r p a n e l R e a r p a n e l...
Chapter summary Welcome! ................1-1 Package contents ..............1-1 Special features ..............1-2 A S U S P 5 W D G 2 W S P r o f e s s i o n a l A S U S P 5 W D G 2 W S P r o f e s s i o n a l A S U S P 5 W D G 2 W S P r o f e s s i o n a l A S U S P 5 W D G 2 W S P r o f e s s i o n a l A S U S P 5 W D G 2 W S P r o f e s s i o n a l...
The motherboard delivers a host of new features and latest technologies, making it another standout in the long line of ASUS quality motherboards! Before you start installing the motherboard, and hardware devices on it, check the items in your package with the list below.
Special features 1.3.1 1.3.1 1.3.1 1.3.1 1.3.1 Product highlights Product highlights Product highlights Product highlights Product highlights Latest processor technology Latest processor technology Latest processor technology Latest processor technology Latest processor technology The motherboard comes with a 775-pin surface mount Land Grid Array (LGA) socket designed for the Intel ®...
Page 19
Intel Intel Intel ® ® ® ® ® Memory Pipeline Technology (MPT) Memory Pipeline Technology (MPT) Memory Pipeline Technology (MPT) Intel Intel Memory Pipeline Technology (MPT) Memory Pipeline Technology (MPT) The Intel ® MPT increases system-level and standard operating performance by optimizing memory access between CPU and system memory.
Page 20
PCI Express™ interface PCI Express™ interface PCI Express™ interface PCI Express™ interface PCI Express™ interface The motherboard fully supports PCI Express, the latest I/O interconnect technology that speeds up the PCI bus. PCI Express features point-to-point serial interconnections between devices and allows higher clockspeeds by carrying data in packets.
ASUS Stack Cool 2 ASUS Stack Cool 2 ASUS Stack Cool 2 is a fan-less and zero-noise cooling solution that lowers the temperature of critical heat generating components by 20ºC. The motherboard uses a special design on the printed circuit board (PCB) to dissipate heat that critical components generate.
1.3.3 1.3.3 Innovative ASUS features Innovative ASUS features 1.3.3 1.3.3 1.3.3 Innovative ASUS features Innovative ASUS features Innovative ASUS features Native DDR2-800 memory support Native DDR2-800 memory support Native DDR2-800 memory support Native DDR2-800 memory support Native DDR2-800 memory support...
Page 23
ASUS EZ Flash 2 BIOS ASUS EZ Flash 2 BIOS With the ASUS EZ Flash 2, you can easily update the system BIOS even before loading the operating system. No need to use a DOS-based utility or boot from a floppy disk. See page 4-5 for details.
Page 24
1 - 8 1 - 8 C h a p t e r 1 : P r o d u c t i n t r o d u c t i o n C h a p t e r 1 : P r o d u c t i n t r o d u c t i o n 1 - 8 1 - 8 1 - 8...
This chapter lists the hardware setup procedures that you have to perform when installing system components. It includes description of the jumpers and Hardware connectors on the motherboard. information...
Page 26
Chapter summary Before you proceed .............. 2-1 Motherboard overview ............2-2 Central Processing Unit (CPU) ..........2-7 System memory ..............2-14 Expansion slots ..............2-21 Jumpers ................2-28 Connectors ................. 2-30 A S U S P 5 W D G 2 W S P r o f e s s i o n a l A S U S P 5 W D G 2 W S P r o f e s s i o n a l A S U S P 5 W D G 2 W S P r o f e s s i o n a l A S U S P 5 W D G 2 W S P r o f e s s i o n a l...
Before you proceed Take note of the following precautions before you install motherboard components or change any motherboard settings. • Unplug the power cord from the wall socket before touching any component. • Use a grounded wrist strap or touch a safely grounded object or a metal object, such as the power supply case, before handling components to avoid damaging them due to static electricity.
Motherboard overview Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it. Make sure to unplug the power cord before installing or removing the motherboard. Failure to do so can cause you physical injury and damage motherboard components.
ASUS Stack Cool 2 ASUS Stack Cool 2 The motherboard comes with the ASUS Stack Cool 2 cooling solution that lowers the temperature of critical heat generating components by 20ºC. The motherboard uses a special design on the printed circuit board (PCB) to dissipate heat that critical components generate.
2.2.5 2.2.5 2.2.5 Layout contents Layout contents Layout contents 2.2.5 2.2.5 Layout contents Layout contents S l o t s S l o t s S l o t s P a g e P a g e P a g e S l o t s S l o t s P a g e...
Page 32
I n t e r n a l c o n n e c t o r s I n t e r n a l c o n n e c t o r s P a g e P a g e I n t e r n a l c o n n e c t o r s I n t e r n a l c o n n e c t o r s...
Contact your retailer immediately if the PnP cap is missing, or if you see any damage to the PnP cap/socket contacts/motherboard components. ASUS will shoulder the cost of repair only if the damage is shipment/ transit-related. •...
2.3.1 2.3.1 2.3.1 Installing the CPU Installing the CPU Installing the CPU 2.3.1 2.3.1 Installing the CPU Installing the CPU To install a CPU: Locate the CPU socket on the motherboard. P5WDG2-WS PRO CPU Socket 775 Before installing the CPU, make sure that the socket box is facing towards you and the load lever is on your left.
Page 35
Lift the load plate with your thumb and forefinger to a 100º angle (A), then push the PnP cap from the load plate window to remove (B). L o a d p l a t e L o a d p l a t e L o a d p l a t e L o a d p l a t e L o a d p l a t e...
2.3.2 2.3.2 2.3.2 Installing the CPU heatsink and fan Installing the CPU heatsink and fan Installing the CPU heatsink and fan 2.3.2 2.3.2 Installing the CPU heatsink and fan Installing the CPU heatsink and fan The Intel ® Pentium ® 4 LGA775 processor requires a specially designed heatsink and fan assembly to ensure optimum thermal condition and performance.
Page 37
Push down two fasteners at a time in a diagonal sequence to secure the heatsink and fan assembly in place. Connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN. CPU_FAN P5WDG2-WS PRO CPU fan connector Do not forget to connect the CPU fan connector! Hardware monitoring errors can occur if you fail to plug this connector.
2.3.3 2.3.3 2.3.3 Uninstalling the CPU heatsink and fan Uninstalling the CPU heatsink and fan Uninstalling the CPU heatsink and fan 2.3.3 2.3.3 Uninstalling the CPU heatsink and fan Uninstalling the CPU heatsink and fan To uninstall the CPU heatsink and fan: Disconnect the CPU fan cable from the connector on the motherboard.
Page 39
Rotate each fastener clockwise to ensure correct orientation when reinstalling. N a r r o w e n d o f t h e g r o o v e N a r r o w e n d o f t h e g r o o v e N a r r o w e n d o f t h e g r o o v e N a r r o w e n d o f t h e g r o o v e N a r r o w e n d o f t h e g r o o v e...
• Always install DIMMs with the same CAS latency. For optimum compatibility, it is recommended that you obtain memory modules from the same vendor. Visit the ASUS website (www.asus.com) for the latest Qualified Vendors List. • Due to chipset resource allocation, the system may detect less than 8 GB system memory when you installed four 2 GB DDR2 memory modules.
Page 41
32-bit version OS. The excess memory installation will not cause any usage problem, but it will not give users the benefit of manipulating this excess memory space. Visit the ASUS FAQ site for further explanation: http://support.asus.com/faq/ faq.aspx?SLanguage=en-us Under G e n e r a l s e a r c h...
Page 42
Qualified Vendors Lists (QVL) Qualified Vendors Lists (QVL) Qualified Vendors Lists (QVL) Qualified Vendors Lists (QVL) Qualified Vendors Lists (QVL) DDR2-800 MHz capability D I M M s u p p o r t D I M M s u p p o r t D I M M s u p p o r t D I M M s u p p o r t D I M M s u p p o r t...
Page 43
Supports four modules inserted into the yellow and black slots as two pairs of Dual-channel memory configuration. Visit the ASUS website for the latest DDR2-800/667 MHz QVL. A S U S P 5 W D G 2 W S P r o f e s s i o n a l...
Page 44
DDR2-533 MHz capability D I M M s u p p o r t D I M M s u p p o r t D I M M s u p p o r t D I M M s u p p o r t D I M M s u p p o r t S i z e S i z e...
Page 45
Supports four modules inserted into the yellow and black slots as two pairs of Dual-channel memory configuration. Visit the ASUS website for the latest DDR2-533 MHz QVL. A S U S P 5 W D G 2 W S P r o f e s s i o n a l...
2.4.3 2.4.3 2.4.3 Installing a DIMM Installing a DIMM Installing a DIMM 2.4.3 2.4.3 Installing a DIMM Installing a DIMM Unplug the power supply before adding or removing DIMMs or other system components. Failure to do so can cause severe damage to both the motherboard and the components.
Expansion slots In the future, you may need to install expansion cards. The following sub-sections describe the slots and the expansion cards that they support. Make sure to unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components.
2.5.3 2.5.3 2.5.3 Interrupt assignments Interrupt assignments Interrupt assignments 2.5.3 2.5.3 Interrupt assignments Interrupt assignments Standard interrupt assignments Standard interrupt assignments Standard interrupt assignments Standard interrupt assignments Standard interrupt assignments I R Q I R Q I R Q I R Q I R Q P r i o r i t y P r i o r i t y...
2.5.4 2.5.4 2.5.4 PCI Express x16 slots PCI Express x16 slots PCI Express x16 slots 2.5.4 2.5.4 PCI Express x16 slots PCI Express x16 slots This motherboard supports two ATI CrossFire™ PCI Express x16 graphics cards that comply with the PCI Express specifications.
Page 50
Rev: V1.00 (Hyper Memory) (BIOS: V008.015.128.000) ASUS EAX300SE-X V6.14.10.6553 Windows ® 2003 Standard Pass ATI Radeon X300SE Rev: V1.00 (BIOS: V008.015.117.000) ASUS EAX550GE 256M V6.14.10.6546 Windows ® XP Pro Pass ATI Radeon X550 (BIOS: V5B60.8.15.139. AS01) ASUS EAX600XT V6.14.10.6546 Windows ®...
Page 51
GeForce 6800GT Rev. V1.02 (BIOS: V5.40.02.26.AS05) ASUS EN6800ULTRA V6.14.10.7189 Windows ® 2003 Standard Pass nVIDIA GeForce 6800ULTRA (BIOS: V5.40.02.32.AS07) ASUS EN7800GTX 256MB V6.14.10.7801 Windows ® XP Pro Pass nVIDIA GeForce 7800GTX (BIOS: V5.70.02.11.01) ATI Radeon X850 CrossFire V8.182.0.0 Windows ®...
Page 52
(BIOS: V3.37 ASUS EN6200TC128/T/16M V6.14.10.7777 Windows XP-64 Pro Pass nVIDIA GeForce 6200 ® Rev V1.01 (with Turbo cache) (BIOS: V5.44.02.11) ASUS EN6600 128M V6.14.10.7801 Windows ® XP Home Pass nVIDIA GeForce 6600 Rev V1.00A (BIOS: V5.43.02.61) ASUS EN6600 256M V6.14.10.7777 Windows ®...
Page 53
T y p e : P C I - X T y p e : P C I - X T y p e : P C I - X T y p e : P C I - X ASUS PXL-S30 PCIX_2 Windows ®...
Jumpers 1 . 1 . C l e a r R T C R A M ( C L R T C ) C l e a r R T C R A M ( C L R T C ) C l e a r R T C R A M ( C L R T C ) C l e a r R T C R A M ( C L R T C ) C l e a r R T C R A M ( C L R T C )
Page 55
2 . 2 . P C I - X S p e e d s e t t i n g ( 6 - p i n P C I X _ S P E E D ) P C I - X S p e e d s e t t i n g ( 6 - p i n P C I X _ S P E E D ) P C I - X S p e e d s e t t i n g ( 6 - p i n P C I X _ S P E E D ) P C I - X S p e e d s e t t i n g ( 6 - p i n P C I X _ S P E E D ) P C I - X S p e e d s e t t i n g ( 6 - p i n P C I X _ S P E E D )
Connectors 2.7.1 2.7.1 2.7.1 2.7.1 2.7.1 Rear panel connectors Rear panel connectors Rear panel connectors Rear panel connectors Rear panel connectors 1 . 1 . P S / 2 m o u s e p o r t ( g r e e n ) . P S / 2 m o u s e p o r t ( g r e e n ) .
Page 57
5 . 5 . R e a r S p e a k e r O u t p o r t ( b l a c k ) . R e a r S p e a k e r O u t p o r t ( b l a c k ) . This port connects the rear R e a r S p e a k e r O u t p o r t ( b l a c k ) .
Page 58
1 3 . 1 3 . 1 3 . E x t e r n a l S A T A p o r t . E x t e r n a l S A T A p o r t . E x t e r n a l S A T A p o r t .
2.7.2 2.7.2 2.7.2 Internal connectors Internal connectors Internal connectors 2.7.2 2.7.2 Internal connectors Internal connectors 1 . 1 . F l o p p y d i s k d r i v e c o n n e c t o r ( 3 4 - 1 p i n F L O P P Y ) F l o p p y d i s k d r i v e c o n n e c t o r ( 3 4 - 1 p i n F L O P P Y ) F l o p p y d i s k d r i v e c o n n e c t o r ( 3 4 - 1 p i n F L O P P Y ) F l o p p y d i s k d r i v e c o n n e c t o r ( 3 4 - 1 p i n F L O P P Y )
D r i v e j u m p e r D r i v e j u m p e r D r i v e j u m p e r D r i v e j u m p e r D r i v e j u m p e r M o d e M o d e...
Page 61
I m p o r t a n t n o t e s o n S e r i a l A T A I m p o r t a n t n o t e s o n S e r i a l A T A I m p o r t a n t n o t e s o n S e r i a l A T A I m p o r t a n t n o t e s o n S e r i a l A T A I m p o r t a n t n o t e s o n S e r i a l A T A...
Page 62
5 . 5 . O p t i c a l d r i v e a u d i o c o n n e c t o r ( 4 - p i n C D ) O p t i c a l d r i v e a u d i o c o n n e c t o r ( 4 - p i n C D ) O p t i c a l d r i v e a u d i o c o n n e c t o r ( 4 - p i n C D ) O p t i c a l d r i v e a u d i o c o n n e c t o r ( 4 - p i n C D ) O p t i c a l d r i v e a u d i o c o n n e c t o r ( 4 - p i n C D )
Page 63
7 . 7 . U S B c o n n e c t o r s ( 1 0 - 1 p i n U S B 5 6 , U S B 7 8 U S B c o n n e c t o r s ( 1 0 - 1 p i n U S B 5 6 , U S B 7 8 [ o p t i o n a l U S B c o n n e c t o r s ( 1 0 - 1 p i n U S B 5 6 , U S B 7 8 [ o p t i o n a l [ o p t i o n a l...
Page 64
9 . 9 . C h a s s i s i n t r u s i o n c o n n e c t o r ( 4 - 1 p i n C H A S S I S ) C h a s s i s i n t r u s i o n c o n n e c t o r ( 4 - 1 p i n C H A S S I S ) C h a s s i s i n t r u s i o n c o n n e c t o r ( 4 - 1 p i n C H A S S I S ) C h a s s i s i n t r u s i o n c o n n e c t o r ( 4 - 1 p i n C H A S S I S )
Page 65
Rotation P5WDG2-WS PRO Fan connectors Only the CPU_FAN and CHA_FAN1 connectors support the ASUS Q-Fan 2 feature. If you install two VGA cards, we recommend that you plug the rear chassis fan cable to the motherboard connector labeled CHA_FAN1 for better thermal environment.
Page 66
1 1 . 1 1 . 1 1 . S e r i a l p o r t c o n n e c t o r ( 1 0 - 1 p i n C O M 1 ) S e r i a l p o r t c o n n e c t o r ( 1 0 - 1 p i n C O M 1 ) S e r i a l p o r t c o n n e c t o r ( 1 0 - 1 p i n C O M 1 ) S e r i a l p o r t c o n n e c t o r ( 1 0 - 1 p i n C O M 1 )
Page 67
• You may use a 4-pin ATX12V 2x4-pin EATX12V power plug for this connector. • Make sure to remove the cap on the connector before connecting an 8-pin EPS +12V power plug. R e m o v e t h e c a p R e m o v e t h e c a p R e m o v e t h e c a p R e m o v e t h e c a p...
Page 68
1 3 . 1 3 . 1 3 . T P M c o n n e c t o r ( 2 0 - 1 p i n T P M ) T P M c o n n e c t o r ( 2 0 - 1 p i n T P M ) T P M c o n n e c t o r ( 2 0 - 1 p i n T P M ) T P M c o n n e c t o r ( 2 0 - 1 p i n T P M ) 1 3 .
Page 69
1 4 . 1 4 . 1 4 . S y s t e m p a n e l c o n n e c t o r ( 1 2 - p i n P A N E L ) S y s t e m p a n e l c o n n e c t o r ( 1 2 - p i n P A N E L ) S y s t e m p a n e l c o n n e c t o r ( 1 2 - p i n P A N E L ) S y s t e m p a n e l c o n n e c t o r ( 1 2 - p i n P A N E L )
Page 70
2 - 4 4 2 - 4 4 C h a p t e r 2 : H a r d w a r e i n f o r m a t i o n C h a p t e r 2 : H a r d w a r e i n f o r m a t i o n 2 - 4 4 2 - 4 4 2 - 4 4...
This chapter describes the power up sequence, the vocal POST messages, and ways of shutting down the system. Powering up...
Page 72
Chapter summary Starting up for the first time ..........3-1 Turning off the computer ............. 3-2 A S U S P 5 W D G 2 W S P r o f e s s i o n a l A S U S P 5 W D G 2 W S P r o f e s s i o n a l A S U S P 5 W D G 2 W S P r o f e s s i o n a l A S U S P 5 W D G 2 W S P r o f e s s i o n a l...
Starting up for the first time After making all the connections, replace the system case cover. Be sure that all switches are off. Connect the power cord to the power connector at the back of the system chassis. Connect the power cord to a power outlet that is equipped with a surge protector.
Turning off the computer 3.2.1 3.2.1 3.2.1 3.2.1 3.2.1 Using the OS shut down function Using the OS shut down function Using the OS shut down function Using the OS shut down function Using the OS shut down function If you are using Windows ®...
This chapter tells how to change the system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also provided. BIOS setup...
Page 76
Chapter summary Managing and updating your BIOS ........4-1 BIOS setup program ............4-11 Main menu ................4-14 Advanced menu ..............4-19 Power menu ................ 4-32 Boot menu ................4-37 Tools menu ................. 4-44 Exit menu ................4-47 A S U S P 5 W D G 2 W S P r o f e s s i o n a l A S U S P 5 W D G 2 W S P r o f e s s i o n a l A S U S P 5 W D G 2 W S P r o f e s s i o n a l A S U S P 5 W D G 2 W S P r o f e s s i o n a l...
4.1.1 4.1.1 ASUS Update utility ASUS Update utility ASUS Update utility The ASUS Update is a utility that allows you to manage, save, and update the motherboard BIOS in Windows ® environment. The ASUS Update utility allows you to: • Save the current BIOS file •...
Page 78
Updating the BIOS through the Internet Updating the BIOS through the Internet Updating the BIOS through the Internet To update the BIOS through the Internet: Launch the ASUS Update utility from the Windows ® desktop by clicking S t a r t S t a r t S t a r t >...
Page 79
A S U S U p d a t e A S U S U p d a t e A S U S U p d a t e. The ASUS Update main window appears. A S U S U p d a t e...
4.1.2 4.1.2 4.1.2 Creating a bootable floppy disk Creating a bootable floppy disk Creating a bootable floppy disk 4.1.2 4.1.2 Creating a bootable floppy disk Creating a bootable floppy disk Do either one of the following to create a bootable floppy disk. DOS environment a.
ASUS EZ Flash 2 utility ASUS EZ Flash 2 utility The ASUS EZ Flash 2 feature allows you to update the BIOS without having to go through the long process of booting from a floppy disk and using a DOS-based utility. The EZ Flash 2 utility is built in the BIOS chip so it is accessible by pressing <Alt>...
Press <Enter>. The utility copies the current BIOS file to the floppy disk. A:\>afudos /oOLDBIOS1.rom AMI Firmware Update Utility - Version 1.19(ASUS V2.07(03.11.24BB)) Copyright (C) 2002 American Megatrends, Inc. All rights reserved. Reading flash ..done Write to file..ok A:\>...
Page 83
Updating the BIOS file To update the BIOS file using the AFUDOS utility: Visit the ASUS website (www.asus.com) and download the latest BIOS file for the motherboard. Save the BIOS file to a bootable floppy disk. Write the BIOS filename on a piece of paper. You need to type the exact BIOS filename at the DOS prompt.
Page 84
The utility returns to the DOS prompt after the BIOS update process is completed. Reboot the system from the hard disk drive. A:\>afudos /iWDG2WSP.rom AMI Firmware Update Utility - Version 1.19(ASUS V2.07(03.11.24BB)) Copyright (C) 2002 American Megatrends, Inc. All rights reserved. WARNING!! Do not turn off power during flash BIOS Reading file ..
ASUS CrashFree BIOS 2 utility ASUS CrashFree BIOS 2 utility The ASUS CrashFree BIOS 2 is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process. You can update a corrupted BIOS file using the motherboard support CD or the floppy disk that contains the updated BIOS file.
Page 86
Restart the system after the utility completes the updating process. The recovered BIOS may not be the latest BIOS version for this motherboard. Visit the ASUS website (www.asus.com) to download the latest BIOS file. 4 - 1 0...
Legacy Diskette A [1.44M, 3.5 in] Use [+] or [-] to Primary IDE Master [ST320410A] configure the System Primary IDE Slave [ASUS CD-S520/A] Time. Third IDE Master [Not Detected] Third IDE Slave [Not Detected] Fourth IDE Master [Not Detected]...
For example, selecting M a i n M a i n M a i n Primary IDE Master [ST320413A] Use [+] or [-] Primary IDE Slave [ASUS CD-S520/A] shows the Main menu items. to configure Third IDE Master [Not Detected]...
Legacy Diskette A [1.44M, 3.5 in] Use [+] or [-] to Primary IDE Master [ST320410A] configure the System Primary IDE Slave [ASUS CD-S520/A] Time. Third IDE Master [Not Detected] Third IDE Slave [Not Detected] Fourth IDE Master [Not Detected]...
4.3.5 4.3.5 4.3.5 Primary, Third, and Fourth IDE Master/Slave Primary, Third, and Fourth IDE Master/Slave Primary, Third, and Fourth IDE Master/Slave 4.3.5 4.3.5 Primary, Third, and Fourth IDE Master/Slave Primary, Third, and Fourth IDE Master/Slave The BIOS automatically detects the connected IDE devices. There is a separate sub-menu for each IDE device.
PIO Mode [Auto] PIO Mode [Auto] PIO Mode [Auto] PIO Mode [Auto] PIO Mode [Auto] Selects the PIO mode. Configuration options: [Auto] [0] [1] [2] [3] [4] DMA Mode [Auto] DMA Mode [Auto] DMA Mode [Auto] DMA Mode [Auto] DMA Mode [Auto] Selects the DMA mode.
Page 93
If you want the Serial ATA hard disk drives to use the Advanced Host Controller Interface (AHCI), set this item to [AHCI]. For details on AHCI, go to: www.intel.com/support/chipsets/imst/sb/CS-012304.htm www.intel.com/support/chipsets/imst/sb/CS-012305.htm The SATA controller is set to Native mode when this item is set to [RAID] or [AHCI] The O n b o a r d I D E O p e r a t e M o d e O n b o a r d I D E O p e r a t e M o d e...
Onboard Serial-ATA BOOTROOM [Enabled] Enables or disables the onboard Serial ATA boot ROM. Configuration options: [Disabled] [Enabled] The O n b o a r d S e r i a l - A T A B O O T R O M O n b o a r d S e r i a l - A T A B O O T R O M O n b o a r d S e r i a l - A T A B O O T R O M O n b o a r d S e r i a l - A T A B O O T R O M appears only when the...
A I N . O . S . A I N . O . S . A I N . O . S . - the ASUS AI Non-delay Overclocking System feature A I N . O . S .
Page 96
The following item appears only when you install a CPU that supports the lock free feature. Only some latest CPUs support this feature CPU Lock Free [Auto] CPU Lock Free [Auto] CPU Lock Free [Auto] CPU Lock Free [Auto] CPU Lock Free [Auto] This feature allows you to adjust the CPU multiplier to 14x.
Page 97
Performance Mode [Auto] Performance Mode [Auto] Performance Mode [Auto] Performance Mode [Auto] Performance Mode [Auto] Allows enhanced system performance. Setting to [Turbo] may cause the system to become unstable. If this happens, revert to the default setting [Auto]. Configuration options: [Auto] [Standard] [Turbo] PCI Express Frequency [Auto] PCI Express Frequency [Auto] PCI Express Frequency [Auto]...
Page 98
FSB Termination Voltage [Auto] FSB Termination Voltage [Auto] FSB Termination Voltage [Auto] FSB Termination Voltage [Auto] FSB Termination Voltage [Auto] Allows you to select the front side bus termination voltage. Configuration options: [Auto] [1.20V] [1.30V] [1.40V] [1.50V] Setting a high FSB termination voltage may damage the chipset and CPU.
The following items appear if the N O S M o d e N O S M o d e N O S M o d e N O S M o d e N O S M o d e item is set to [Manual] Sensitivity [Sensitive] Sensitivity [Sensitive] Sensitivity [Sensitive]...
4.4.3 4.4.3 4.4.3 USB Configuration USB Configuration USB Configuration 4.4.3 4.4.3 USB Configuration USB Configuration The items in this menu allows you to change the USB-related features. Select an item then press <Enter> to display the configuration options. Enables USB host USB Configuration controllers.
Page 101
If Auto, USB devices less than 530MB will USB Mass Storage Reset Delay [20 Sec] be emulated as Floppy and remaining as hard Device #1 ASUS Ai Flash-5 drive. Forced FDD Emulation Type [Floppy] option can be used to Device #1...
4.4.4 4.4.4 4.4.4 CPU Configuration CPU Configuration CPU Configuration 4.4.4 4.4.4 CPU Configuration CPU Configuration The items in this menu show the CPU-related information that the BIOS automatically detects. Configure Advanced CPU settings Sets the ratio between CPU Core Manufacturer: Intel Clock and the FSB Brand String: Genuine Intel(R) CPU 2.80GHz Frequency.
Page 103
Hardware Prefetcher [Enabled] Hardware Prefetcher [Enabled] Hardware Prefetcher [Enabled] Hardware Prefetcher [Enabled] Hardware Prefetcher [Enabled] Allows you to disable or enabled the hardward prefetcher function. Configuration options: [Enabled] [Disabled] Adjacent Cache Line Prefetch [Enabled] Adjacent Cache Line Prefetch [Enabled] Adjacent Cache Line Prefetch [Enabled] Adjacent Cache Line Prefetch [Enabled] Adjacent Cache Line Prefetch [Enabled] Allows you to disable or enabled the Adjacent Cache Line Prefetch...
4.4.5 4.4.5 4.4.5 Chipset Chipset Chipset 4.4.5 4.4.5 Chipset Chipset The Chipset menu allows you to change the advanced chipset settings. Select an item then press <Enter> to display the sub-menu. Advanced Chipset Settings Enable or Disable Configure DRAM Configure DRAM Timing by SPD [Enabled] Timing by SPD DRAM ECC Mode...
Page 105
Hyper Path 3 [Auto] Hyper Path 3 [Auto] Hyper Path 3 [Auto] Hyper Path 3 [Auto] Allows you to enable or disable the ASUS Hyper Path 3 feature. Configuration options: [Disabled] [Enabled] [Auto] DRAM Throttling Threshold [Auto] DRAM Throttling Threshold [Auto]...
4.4.7 4.4.7 4.4.7 PCI PnP PCI PnP PCI PnP 4.4.7 4.4.7 PCI PnP PCI PnP The PCI PnP menu items allow you to change the advanced settings for PCI/PnP devices. The menu includes setting IRQ and DMA channel resources for either PCI/PnP or legacy ISA devices, and setting the memory size block for legacy ISA devices.
IRQ-xx assigned to [PCI Device] IRQ-xx assigned to [PCI Device] IRQ-xx assigned to [PCI Device] IRQ-xx assigned to [PCI Device] IRQ-xx assigned to [PCI Device] When set to [PCI Device], the specific IRQ is free for use of PCI/PnP devices. When set to [Reserved], the IRQ is reserved for legacy ISA devices.
4.5.4 4.5.4 4.5.4 ACPI APIC Support [Enabled] ACPI APIC Support [Enabled] ACPI APIC Support [Enabled] 4.5.4 4.5.4 ACPI APIC Support [Enabled] ACPI APIC Support [Enabled] Allows you to enable or disable the Advanced Configuration and Power Interface (ACPI) support in the Advanced Programmable Interrupt Controller (APIC).
Page 111
RTC Alarm Hour To set the alarm hour, highlight this item and press the <+> or <-> key to make the selection. Configuration options: [00] [1]... ~ [23] RTC Alarm Minute To set the alarm minute, highlight this item and press the <+> or <-> key to make the selection.
Q-FAN Control [Disabled] Q-FAN Control [Disabled] Q-FAN Control [Disabled] Allows you to enable or disable the ASUS Q-Fan feature that smartly adjusts the fan speeds for more efficient system operation. Configuration options: [Disabled] [Enabled] The C P U Q - F a n M o d e...
Page 113
Chassis Q-Fan1 Control [Disabled] Chassis Q-Fan1 Control [Disabled] Chassis Q-Fan1 Control [Disabled] Chassis Q-Fan1 Control [Disabled] Allows you to enable or disable the ASUS Q-Fan feature that smartly adjusts the chassis fan speeds for more efficient system operation. Configuration options: [Disabled] [Enabled] •...
Boot menu The Boot menu items allow you to change the system boot options. Select an item then press <Enter> to display the sub-menu. Specifies the Boot Boot Settings Device Priority Boot Device Priority sequence. Removable Drives Boot Settings Configuration A virtual floppy disk Security drive (Floppy Drive...
These items specify the boot device priority sequence from the available devices. The number of device items that appears on the screen depends on the number of removable devices installed in the system. Configuration options: [1st FLOPPY DRIVE] [USB:ASUS Ai Flash-5] [Disabled] 4.6.3 4.6.3...
Page 116
Allows you to enable or disable the full screen logo display feature. Configuration options: [Disabled] [Enabled] Set this item to [Enabled] to use the ASUS MyLogo2™ feature. Add On ROM Display Mode [Force BIOS] Add On ROM Display Mode [Force BIOS]...
4.6.4 4.6.4 Security Security 4.6.4 4.6.4 4.6.4 Security Security Security The Security menu items allow you to change the system security settings. Select an item then press <Enter> to display the configuration options. Security Settings <Enter> to change password. Supervisor Password : Not Installed <Enter>...
Page 118
After you have set a supervisor password, the other items appear to allow you to change other security settings. Security Settings Supervisor Password : Not Installed User Password : Not Installed Change Supervisor Password User Access Level [Full Access] Change User Password Clear User Password Password Check [Setup]...
Page 119
Clear User Password Clear User Password Clear User Password Clear User Password Clear User Password Select this item to clear the user password. Password Check [Setup] Password Check [Setup] Password Check [Setup] Password Check [Setup] Password Check [Setup] When set to [Setup], BIOS checks for user password when accessing the Setup utility.
ASUS EZ Flash 2 ASUS EZ Flash 2 Allows you to run ASUS EZ Flash 2. When you press <Enter>, a confirmation message appears. Use the left/right arrow key to select between [Yes] or [No], then press <Enter> to confirm your choice. Please see page 4-5, section 4.1.3 for details.
4.7.2 4.7.2 4.7.2 ASUS O.C. Profile ASUS O.C. Profile ASUS O.C. Profile 4.7.2 4.7.2 ASUS O.C. Profile ASUS O.C. Profile BIOS SETUP UTILITY Main Advanced Power Boot Tools Exit O.C. PROFILE Configuration Save to Profile 1 O.C. Profile 1 Status: Not Installed O.C.
Page 122
• This function can supp ort devices such as USB flash disk, or floppy disk with FAT 32/16 format and single partition only. • Do not shutdown or reset the system while updating the BIOS to prevent system boot failure! 4 - 4 6 4 - 4 6 C h a p t e r 4 : B I O S s e t u p...
Exit menu The Exit menu items allow you to load the optimal or failsafe default values for the BIOS items, and save or discard your changes to the BIOS items. Exit Options Exit & Save Changes Exit & Discard Changes Discard Changes Load Setup Defaults Pressing <Esc>...
Page 124
Load Setup Defaults Load Setup Defaults Load Setup Defaults Load Setup Defaults Load Setup Defaults Allows you to load the default values for each of the parameters on the Setup menus. When you select this option or if you press <F5>, a confirmation window appears.
This chapter describes the contents of the support CD that comes with the motherboard package. Software support...
Page 126
Chapter summary Installing an operating system ..........5-1 Support CD information ............5-1 Software information ............5-11 RAID configurations ............5-29 Creating a RAID driver disk ..........5-41 A S U S P 5 W D G 2 W S P r o f e s s i o n a l A S U S P 5 W D G 2 W S P r o f e s s i o n a l A S U S P 5 W D G 2 W S P r o f e s s i o n a l A S U S P 5 W D G 2 W S P r o f e s s i o n a l...
The support CD that came with the motherboard package contains the drivers, software applications, and utilities that you can install to avail all motherboard features. The contents of the support CD are subject to change at any time without notice. Visit the ASUS website (www.asus.com) for updates. 5.2.1 5.2.1 5.2.1...
Install the necessary drivers to activate the devices. The screen display and driver options vary under different operating system versions. ASUS InstAll - Installation Wizard for Drivers ASUS InstAll - Installation Wizard for Drivers ASUS InstAll - Installation Wizard for Drivers...
LAN cable faults and shorts. ASUS AI Booster ASUS AI Booster ASUS AI Booster ASUS AI Booster ASUS AI Booster The ASUS AI Booster application allows you to overclock the CPU speed in Windows ® environment. ASUS PC Probe II ASUS PC Probe II...
Page 130
ASUS Update ASUS Update ASUS Update ASUS Update The ASUS Update utility that allows you to update the motherboard BIOS in Windows ® environment. This utility requires an Internet connection either through a network or an Internet Service Provider (ISP).
5.2.4 5.2.4 5.2.4 Make Disk menu Make Disk menu Make Disk menu 5.2.4 5.2.4 Make Disk menu Make Disk menu The M a k e D i s k M a k e D i s k M a k e D i s k M a k e D i s k M a k e D i s k menu allows you to make RAID/Serial ATA driver disks.
C o n t a c t C o n t a c t C o n t a c t tab to display the ASUS contact information. You can C o n t a c t also find this information on the inside front cover of this user guide.
5.2.7 5.2.7 5.2.7 Other information Other information Other information 5.2.7 5.2.7 Other information Other information The icons on the top right corner of the screen provide additional information on the motherboard and the contents of the support CD. Click an icon to display the specified information. Motherboard Info Motherboard Info Motherboard Info...
Page 134
Technical Support Form Technical Support Form Technical Support Form Technical Support Form Technical Support Form Displays the ASUS Technical Support Request Form that you have to fill out when requesting technical support. Filelist Filelist Filelist Filelist Filelist Displays the contents of the support CD in text format.
5.3.1 ASUS MyLogo2™ ASUS MyLogo2™ The ASUS MyLogo2™ utility lets you customize the boot logo. The boot logo is the image that appears on screen during the Power-On-Self-Tests (POST). The ASUS MyLogo2™ is automatically installed when you install the A S U S U p d a t e...
Page 136
R a t i o R a t i o box. When the screen returns to the ASUS Update utility, flash the original BIOS to load the new boot logo. 10. After flashing the BIOS, restart the computer to display the new boot logo during POST.
5.3.2 5.3.2 5.3.2 AI NET2 AI NET2 AI NET2 5.3.2 5.3.2 AI NET2 AI NET2 The AI NET2 features the Marvell ® Virtual Cable Tester™ (VCT). VCT is a cable diagnostic utility that reports LAN cable faults and shorts using the Time Domain Reflectometry (TDR) technology.
5.3.3 AI Gear AI Gear ASUS AI Gear provides four system performance options that allows you to select the best performance setting for your computing needs. This easy- to-use utility adjusts the processor frequency and VCore voltage to minimize system noise and power consumption.
Page 139
You can also set the AI Gear modes by clicking the AI Gear icon on the Windows taskbar. • When AI Gear is enabled, the system will automatically optimize the CPU and chassis fan speed according to the system loading. •...
5.3.4 5.3.4 5.3.4 AI Nap AI Nap AI Nap 5.3.4 5.3.4 AI Nap AI Nap This feature allows you to minimize the power consumption of your computer whenever you are away. Enable this feature for minimum power consumption and a more quiet system operation. After installing AI Nap from the bundled support CD, you can launch the utility by double-clicking the AI Nap icon on the Windows OS taskbar.
5.3.5 5.3.5 AI Booster AI Booster The ASUS Ai Booster application allows you to overclock the CPU speed in WIndows ® environment without the hassle of booting the BIOS. After installing AI Booster from the bundled support CD, you can launch the utility by double-clicking the AI Booster icon on the Windows ®...
Autorun feature. If Autorun is not enabled in your computer, browse the contents of the support CD to locate the setup.exe file from the ASUS PC Probe II folder. Double-click the setup.exe file to start installation.
Page 143
B u t t o n B u t t o n B u t t o n B u t t o n B u t t o n F u n c t i o n F u n c t i o n F u n c t i o n F u n c t i o n F u n c t i o n...
Page 144
Hardware monitor panels Hardware monitor panels Hardware monitor panels Hardware monitor panels Hardware monitor panels The hardware monitor panels display the current value of a system sensor such as fan rotation, CPU temperature, and voltages. The hardware monitor panels come in two display modes: hexagonal (large) and rectangular (small).
Monitoring sensor alert The monitor panel turns red when a component value exceeds or is lower than the threshold value. Refer to the illustrations below. S m a l l d i s p l a y S m a l l d i s p l a y S m a l l d i s p l a y S m a l l d i s p l a y S m a l l d i s p l a y...
Page 146
PCI browser PCI browser PCI browser PCI browser PCI browser Click to display the PCI (Peripheral Component Interconnect) browser. This browser provides information on the PCI devices installed on your system. Click the plus sign (+) before the P C I I n f o r m a t i o n P C I I n f o r m a t i o n P C I I n f o r m a t i o n P C I I n f o r m a t i o n...
Page 147
Memory usage The Memory tab shows both used and available physical memory. The pie chart at the bottom of the window represents the used (blue) and the available physical memory. Configuring PC Probe II Configuring PC Probe II Configuring PC Probe II Configuring PC Probe II Configuring PC Probe II Click...
5.3.7 5.3.7 5.3.7 SoundMAX SoundMAX SoundMAX ® ® ® ® ® High Definition Audio utility High Definition Audio utility High Definition Audio utility 5.3.7 5.3.7 SoundMAX SoundMAX High Definition Audio utility High Definition Audio utility The ADI AD1988B High Definition Audio CODEC provides 8-channel audio capability through the SoundMAX ®...
Page 149
From the taskbar, double-click on the SoundMAX ® icon to display the SoundMAX ® Control Panel. Audio Setup Wizard Audio Setup Wizard Audio Setup Wizard Audio Setup Wizard Audio Setup Wizard By clicking the icon from the SoundMAX ® control panel, you can easily configure your audio settings.
Page 150
Jack configuration Jack configuration Adjust speaker volume Adjust speaker volume Jack configuration Jack configuration Jack configuration Adjust speaker volume Adjust speaker volume Adjust speaker volume This screen helps you configure This screen helps you adjust your computer’s audio ports, speaker volume. Click the T e s t T e s t T e s t T e s t...
Page 151
Audio preferences Audio preferences Audio preferences Audio preferences Audio preferences Click the icon to go to the Preferences page. This page allows you to change various audio settings. General options General options General options General options General options Click the General tab to choose your playback and recording devices, enable/ disable the AudioESP™...
Page 152
You can enable it when you have conference call to reduce echoes in the other side. The directional Array and Speaker Phone function only when working with the ASUS Array Mic. 5 - 2 8...
RAID configurations The motherboard comes with the Intel ® ICH7R Southbridge RAID controllers that allow you to configure Serial ATA hard disk drives as RAID sets. The motherboard supports the following RAID configurations. R A I D 0 R A I D 0 R A I D 0 (Data striping) optimizes two identical hard disk drives to read and R A I D 0 R A I D 0...
5.4.1 5.4.1 5.4.1 Installing Serial ATA hard disks Installing Serial ATA hard disks Installing Serial ATA hard disks 5.4.1 5.4.1 Installing Serial ATA hard disks Installing Serial ATA hard disks The motherboard supports Serial ATA hard disk drives. For optimal performance, install identical drives of the same model and capacity when creating a disk array.
Page 155
Intel Intel ® ® ® ® ® Matrix Storage Manager Option ROM Utility Matrix Storage Manager Option ROM Utility Intel Intel Intel Matrix Storage Manager Option ROM Utility Matrix Storage Manager Option ROM Utility Matrix Storage Manager Option ROM Utility The Intel ®...
Page 156
Creating a RAID 0 set (striped) Creating a RAID 0 set (striped) Creating a RAID 0 set (striped) Creating a RAID 0 set (striped) Creating a RAID 0 set (striped) To create a RAID 0 set: From the utility main menu, select 1 . C r e a t e R A I D V o l u m e 1 .
Page 157
Use the up/down arrow key to select the stripe size for the RAID 0 array, then press <Enter>. The available stripe size values range from 4 KB to 128 KB. The default stripe size is 128 KB. T I P : T I P : T I P : We recommend a lower stripe size for server systems, and a higher T I P :...
Page 158
Creating a RAID 1 set (mirrored) Creating a RAID 1 set (mirrored) Creating a RAID 1 set (mirrored) Creating a RAID 1 set (mirrored) Creating a RAID 1 set (mirrored) To create a RAID 1 set: From the utility main menu, select 1 . C r e a t e R A I D V o l u m e 1 .
Page 159
Creating a RAID 10 set (RAID 0+1) Creating a RAID 10 set (RAID 0+1) Creating a RAID 10 set (RAID 0+1) Creating a RAID 10 set (RAID 0+1) Creating a RAID 10 set (RAID 0+1) To create a RAID 10 set: From the utility main menu, select 1 .
Page 160
Press <Enter> when the C r e a t e V o l u m e C r e a t e V o l u m e C r e a t e V o l u m e C r e a t e V o l u m e item is highlighted.
Page 161
The Disks item is highlighted, press <Enter> to select the hard disk drives to configure as RAID. The following pop-up screen appears. SELECT DISKS Port Drive Model Serial # Size Status 0 XXXXXXXXXXXX XXXXXXXX XX.XGB Non-RAID Disk 1 XXXXXXXXXXXX XXXXXXXX XX.XGB Non-RAID Disk 2 XXXXXXXXXXXX XXXXXXXX...
Page 162
Deleting a RAID set Deleting a RAID set Deleting a RAID set Deleting a RAID set Deleting a RAID set Take caution when deleting a RAID set. You will lose all data on the hard disk drives when you delete a RAID set. To delete a RAID set: 2 .
Page 163
Resetting Disks to Non-RAID Resetting Disks to Non-RAID Resetting Disks to Non-RAID Resetting Disks to Non-RAID Resetting Disks to Non-RAID Take caution before you reset a RAID volume HDD to non-RAID. Resetting a RAID volume HDD deletes all internal RAID structure on the drive. To reset a RAID set hard disk drive: 3 .
Page 164
Resetting a RAID set hard disks drive Resetting a RAID set hard disks drive Resetting a RAID set hard disks drive Resetting a RAID set hard disks drive Resetting a RAID set hard disks drive Take caution before you reset a RAID volume HDD to non-RAID. Resetting a RAID volume HDD deletes all internal RAID structure on the drive.
Creating a RAID driver disk A floppy disk with the RAID driver is required when installing Windows ® 2000/XP operating system on a hard disk drive that is included in a RAID set. You can create a RAID driver disk in DOS (using the Makedisk application in the support CD) or in Windows ®...
Page 166
The RAID drivers are copied to the floppy disk. After creating a RAID driver disk, eject the floppy disk, then write-protect it to prevent computer virus infection. 10. Press any key to return to the Makedisk menu. To create a RAID driver disk in Windows ®...
Chapter summary Intel ® EM64T ................ A-1 Enhanced Intel SpeedStep ® Technology (EIST) ....A-1 Intel ® Hyper-Threading Technology ........A-3 A S U S P 5 W D G 2 W S P r o f e s s i o n a l A S U S P 5 W D G 2 W S P r o f e s s i o n a l A S U S P 5 W D G 2 W S P r o f e s s i o n a l A S U S P 5 W D G 2 W S P r o f e s s i o n a l...
Intel ® EM64T The motherboard supports Intel ® Pentium ® 4 CPUs with the Intel ® EM64T (Extended Memory 64 Technology). The Intel ® EM64T feature allows your computer to run on 64-bit operating systems and access larger amounts of system memory for faster and more efficient computing.
Page 170
CPU loading is low. • The motherboard comes with a BIOS file that supports EM64T and EIST. You can download the latest BIOS file from the ASUS website (www.asus.com/support/download/) if you need to update the BIOS file. •...
® Intel Hyper-Threading Technology • The motherboard supports Intel ® Pentium ® 4 LGA775 processors with Hyper-Threading Technology. • Hyper-Threading Technology is supported under Windows ® XP/2003 Server and Linux 2.4.x (kernel) and later versions only. Under Linux, use the Hyper-Threading compiler to compile the code. If you are using any other operating systems, disable the Hyper-Threading Technology item in the BIOS to ensure system stability and performance.
Page 172
A - 4 A - 4 A p p e n d i x : C P U f e a t u r e s A p p e n d i x : C P U f e a t u r e s A - 4 A - 4 A - 4...