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Acer M19A System User Manual
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Acer M19A System User Manual

Acer M19A System User Manual

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User's Guide

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  • Page 1 M19A System M19A System User’s Guide...
  • Page 2 C o p y r i g h t C o p y r i g h t Copyright 1998 by this company. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of this company.
  • Page 3 IMPORTANT SAFETY IMPORTANT SAFETY INSTRUCTIONS INSTRUCTIONS 1. Read these instructions carefully. Save these instructions for future reference. 2. Follow all warnings and instructions marked on the product. 3. Do not use this product near water. 4. Do not place this product on an unstable cart, stand, or table. The product may fall, causing serious damage to the product.
  • Page 4 9. If an extension cord is used with this product, make sure that the total ampere rating of the equipment plugged into the extension cord does not exceed the extension cord ampere rating. Also, make sure that the total rating of all products plugged into the wall outlet does not exceed 15 amperes.
  • Page 5 13. Replace the battery with the same type as the product's battery we recommend. Use of another battery may present a risk of fire or explosion. Refer battery replacement to a qualified serviceman. 14. Warning! The battery could explode if not handled properly. Do not recharge, disassemble or dispose of it in fire.
  • Page 6 C D - R O M S a f e t y W a r n i n g C D - R O M S a f e t y W a r n i n g DANGER INVISIBLE RADIATION WHEN OPEN. AVOID EXPOSURE TO BEAM.
  • Page 7 C a u t i o n o n L i t h i u m B a t t e r i e s C a u t i o n o n L i t h i u m B a t t e r i e s CAUTION Danger of explosion if battery is incorrectly replaced.
  • Page 8 F C C C l a s s B R a d i o F r e q u e n c y I n t e r f e r e n c e F C C C l a s s B R a d i o F r e q u e n c y I n t e r f e r e n c e S t a t e m e n t S t a t e m e n t Note:...

  • Page 9: Jumper Settings

    A b o u t t h i s M a n u a l A b o u t t h i s M a n u a l Purpose This user’s guide aims to give you the information you need to operate the system properly and tells you how to install internal components.
  • Page 10 Conventions The following conventions are used in this manual: Represents text input by the user. Text entered by user , etc. Represent the actual keys that you have to press on the keyboard. NOTE Gives bits and pieces of additional information related to the current topic.

  • Page 11: Table Of Contents

    T a b l e o f C o n t e n t s T a b l e o f C o n t e n t s Chapter 1 System Board Features ..............1-1 Major Components...........1-3 Layout..............1-4 Jumpers and Connectors .........1-5 1.4.1 Jumper and Connector Locations ....1-5 1.4.2...
  • Page 12 1.11 Remote Diagnostic Management ......1-25 1.11.1 Installing the RDM Module ...... 1-25 1.12 Error Messages............1-26 1.12.1 Software Error Messages ......1-26 1.12.2 System Error Messages ......1-26 1.12.3 Correcting Error Conditions ..... 1-29 Chapter 2 BIOS Utility Entering Setup............2-2 System Information..........
  • Page 13 2.2.18 Onboard USB ..........2-7 Product Information ..........2-8 2.3.1 Product Name ...........2-8 2.3.2 System S/N ..........2-8 2.3.3 Main Board ID ...........2-9 2.3.4 Main Board S/N .........2-9 2.3.5 System BIOS Version........2-9 2.3.6 System BIOS ID ........2-9 2.3.7 BIOS Release Date ........2-9 Disk Drives ............2-10 2.4.1 Floppy Drives ..........
  • Page 14 2.7.2 PnP/PCI System Configuration....2-30 2.7.3 Memory/Cache Configuration ....2-35 2.7.4 CPU Speed Configuration ....... 2-37 2.7.5 System Event Configuration....2-38 System Security Setup........... 2-43 2.8.1 Disk Drive Control ........2-43 2.8.2 Setup Password ........2-44 2.8.3 Power-on Password......... 2-48 Date and Time ............
  • Page 15 System Board Jumper and Connector Locations ..1-5 Matching the Fan-Heat Sink Clips with the Holes on the Processor ............ 1-10 Inserting the Clip Ends into the Processor Holes ..1-11 Locking a Wide Clip End ........1-12 Locking a Narrow Clip End ........1-12 Installing the processor’s Retention Mechanism ..
  • Page 16 List of Tables System Board Jumper Settings ........ 1-6 Connector Functions ..........1-7 Memory Configurations .......... 1-17 System Error Messages ......... 1-27 Parallel Port Operation Mode Settings ....2-28 Drive Control Settings ..........2-46 SCSI/VGA Combo Card Jumper Settings....3-3 SCSI/VGA Combo Card Connector Functions..

  • Page 17: System Board

    C h a p t e r System Board Features The M19A is a dual-processor system board built on an ATX baseboard utilizing two Intel Pentium II processors running at 333/66, 350/100, 400/100, or 450/100 MHz. It is integrated with the Intel 440BX system controller, which consists of the PCI/AGP controller and the PCI/ISA IDE accelerator (PIIX4).
  • Page 18 A 50-pin Fast SCSI (Small Computer System Interface) and a 68-pin Wide SCSI comes with the system board to connect SCSI devices. Wide SCSI supports 32-bit transfers while fast SCSI uses a 16-bit bus that doubles the clock rate to support data rates of 40 Mb/s. The M19A system board also supports the USB (Universal Serial Bus) connector, and other standard features such as two UART NS16C550 serial ports, one enhanced parallel port with Enhanced...

  • Page 19: Major Components

    Major Components The system board has the following major components: Supports dual Intel Pentium II processors Four DIMM sockets that accept 16-, 32-, 64- and 128-MB DIMMs with a maximum of 512-MB system memory Two ISA, four PCI, and one AGP bus slots (one PCI and ISA shared slot) 256-KB Flash ROM for system BIOS 512-KB pipelined-burst second-level cache built-in Pentium II...

  • Page 20: Layout

    Layout Figure 1-1 shows the system board components. 1 Mouse port Battery 2 Keyboard port RDM connectors 3 USB connector Intel 82371EB (PIIX4) 4 Serial port 2 SCSI controller (optional) 5 Parallel port EIDE connector 1 (primary) 6 Serial port 1 EIDE connector 2 (secondary) 7 RJ-45 Wide SCSI connector (68 pin)

  • Page 21: Jumpers And Connectors

    Jumpers and Connectors 1.4.1 Jumper and Connector Locations Figure 1-2 shows the jumper and connector locations on the system board. Figure 1-2 System Board Jumper and Connector Locations Jumpers are prefixed “JP”. Connectors are prefixed “CN”. The blackened pin of a jumper or connector represents pin 1.

  • Page 22: Jumper Settings

    Table 1-1 System Board Jumper Settings Jumper Setting Function LM80 Sel 1-2/4-5 Alert Pack & LM80 2-3/5-6* LM80 Only BIOS Logo Acer 2-3* Password Security Check password 2-3* Bypass password Sound Output 1-2* Buzzer Speaker User’s Guide...

  • Page 23: Connector Functions

    1.4.3 Connector Functions Table 1-2 lists the different connectors on the system board and their respective functions. Table 1-2 Connector Functions Connector Function 280-watt SPP control connector Power core connector PS/2 mouse (above) / keyboard (below) connectors Power core connector (VCC3 & VCC) USB connector CPU2 Fan Connector CN10...
  • Page 24 Table 1-2 Connector Functions Connector Function CN30 RDM connector CN31 Feature connector CN32 Wake-on-LAN connector CN33 RDM connector CN34 External Speaker connector CN35 PSU/HDD/Fan fail LED CN36 Power switch CN37 Chassis Intrusion switch connector CN38 RDM LED connector CN39 External HDD LED connector CN40 External HDD LED connector CN41...

  • Page 25: Esd Precautions

    ESD Precautions Always observe following electrostatic discharge (ESD) precautions before installing a system component: Do not remove a component from its antistatic packaging until you are ready to install it. Wear a wrist grounding strap before handling electronic components. Wrist grounding straps are available at most electronic component stores.

  • Page 26: Installing The Pentium Ii Processor

    Installing the Pentium II processor The following section will briefly explain and illustrate how to install the Pentium II processor. You have to attached the heat sink and fan before installing the Pentium II processor into the system board. 1.6.1 Attaching the Processor Heat Sink and Fan The Pentium II processor module comes with holes on one side to hold the clips of the heat sink and fan.

  • Page 27: Inserting The Clip Ends Into The Processor Holes

    Follow these steps when installing the heat sink and fan into the Pentium II processor module: Remove the thermal tape protector at the back of the heat sink. Insert the wide clip ends into the wide holes on the processor and the narrow clip ends into the narrow holes.

  • Page 28: Locking A Wide Clip End

    Figure 1-5 Locking a Wide Clip End Figure 1-6 Locking a Narrow Clip End Repeat step 3 to lock the other clip. 1-12 User’s Guide...

  • Page 29: Installing A Pentium Ii Processor

    1.6.2 Installing a Pentium II Processor Follow these steps to install the Pentium II processor to the socket on the CPU board. Place the retention mechanism over the processor socket on the CPU board. Secure it with the screws that came with the package.

  • Page 30: Installing A Pentium Ii Processor

    Press down the processor module until the golden fingers completely fit into the socket. Figure 1-8 Installing a Pentium II Processor Press the latches on the sides to lock the processor module into place. Figure 1-9 Securing the Pentium II Processor 1-14 User’s Guide...

  • Page 31: Removing A Pentium Ii Processor

    1.6.3 Removing a Pentium II Processor Follow these steps to remove the Pentium II CPU module from the slot. Unlock the latches that secure the processor module. Figure 1-10 Unlocking the Module Latches Firmly hold the processor module and pull it out of the socket. Figure 1-11 Removing the Pentium II Processor System Board...

  • Page 32: Installing The Termination Board

    Installing the Termination Board When you use only one slot on the CPU board, you must install a termination board into the empty slot. Follow these steps to install the termination board: Position the termination board over the empty slot. Carefully insert the golden fingers of the termination board into the slot until the board fits completely.

  • Page 33: Memory Upgrade

    Memory Upgrade The four 168-pin sockets onboard support SDRAM-type DIMMs. You may install 32-MB, 64-MB, or 128-MB DIMMs for a maximum of 512-MB system memory. The SDRAM DIMMs should work under 3.3 volts; 5 volt memory devices are not supported. Memory module with a timing setting of 66 MHz are defined under unbuffered DIMM specifications, while 100 MHz modules are defined under Intel PC-100 SDRAM specifications and PC registered DIMM specifications.

  • Page 34: Installing A Dimm

    Table 1-3 Memory Configurations DIMM1 DIMM2 DIMM3 DIMM4 Total Memory 64 MB 64 MB 64 MB 64 MB 256 MB 128 MB 128 MB 128 MB 128 MB 256 MB 128 MB 128 MB 128 MB 384 MB 128 MB 128 MB 128 MB 128 MB...

  • Page 35: Removing A Dimm

    1.8.3 Removing a DIMM To remove a DIMM, press the holding clips on both sides of the socket outward to release the DIMM. Place your forefingers on the top of the DIMM before you press the holding clips to gently disengage the DIMM from the socket. Figure 1-14 Removing a DIMM 1.8.4...

  • Page 36: Installing Expansion Cards

    Installing Expansion Cards 1.9.1 Installing PCI Cards To install PCI cards: Locate the PCI slots on the system board. Remove the bracket on the housing opposite an empty PCI slot. Insert a PCI card into the slot. Make sure that the card is properly seated.

  • Page 37: Installing Isa Cards

    1.9.2 Installing ISA Cards Both PnP and non-PnP ISA cards require specific IRQs. When installing ISA cards, make sure that the IRQs required by these cards are not previously assigned to PCI devices to avoid resource conflicts. Follow these steps when installing ISA cards: Remove all PnP cards installed in the system, if any.

  • Page 38: Installing Agp Card

    Figure 1-16 Installing an ISA Card 1.9.3 Installing AGP Card When installing an AGP card, make sure that the IRQ required by the card is not already assigned to a PCI or ISA device to avoid resource conflicts. Follow these steps when installing an AGP card: 1.

  • Page 39: Installing An Agp Card

    Figure 1-17 Installing an AGP Card When you turn on the system, BIOS automatically detects and assigns resources to the AGP device. BIOS detects and configures only PnP cards. System Board 1-23...

  • Page 40: Asm Pro

    1.10 ASM Pro ASM Pro is a server management tool based on the Simple Network Management Protocol (SNMP). It detects server problems related to the CPU thermal condition, 5V/3.3V/1.5V detection, or PCI bus utilization calculation. This feature is designed primarily for server supervisors and management information system (MIS) personnel to help them detect errors or potential trouble spots in their network servers through a single management station.

  • Page 41: Remote Diagnostic Management

    1.11 Remote Diagnostic Management Remote Diagnostic Management (RDM) is a network management tool that utilizes modems and telephone lines to control a host of servers from a remote station. It monitors and analyzes the server condition, updates the BIOS settings if necessary, or reboots the server in the event of failure and quickly returns it to normal operation.

  • Page 42: Error Messages

    1.12 Error Messages Do not continue using the computer if you receive an error message of any type. Note the message and take corrective action. This section explains the different types of error messages and corresponding corrective measures. There are two general types of error messages: Software System 1.12.1...

  • Page 43: System Error Messages

    Table 1-4 System Error Messages Message Action CMOS Battery Error Replace the battery or contact your dealer. CMOS Checksum Error Run Setup. CPU BIOS Update Code Contact your dealer. Mismatch Diskette Drive Controller Error Check and connect the control or Not Installed cable to the diskette controller.
  • Page 44 Table 1-4 System Error Messages Message Action Memory Error at: Check DIMMs on the system MMMM:SSSS:OOO board. Contact your dealer. (W:XXXX, R:YYYY) where: M: MB, S: Segment, O: Offset, X/Y: write/read pattern Memory Size Mismatch Check the memory size based on the system specifications.

  • Page 45: Correcting Error Conditions

    1.12.3 Correcting Error Conditions As a general rule, if an error message says "Press F1 to continue," it is caused by a configuration problem, which can be easily corrected. An equipment malfunction is more likely to cause a fatal error, i.e., an error that causes complete system failure.

  • Page 46: Chapter 2 Bios Utility

    C h a p t e r BIOS Utility The BIOS Utility allows you to view your system’s configuration settings. Most systems are already configured by the manufacturer or the dealer. There is no need to run Setup when starting the computer unless you get a Run Setup message.

  • Page 47: Entering Setup

    Entering Setup To enter Setup, press the key combination You must press while the system is booting. This key combination does not work during any other time. The BIOS Utility main menu then appears: BIOS Utility System Information Product Information Disk Drives Power Management Startup Configuration...

  • Page 48: System Information

    System Information The following screen appears if you select System Information from the main menu. System Information Page 1/2 Processor ......Pentium II Processor Speed ....xxx MHz Bus Frequency ....xxx MHz Internal Cache ....xx KB, Enabled External Cache ....xxx KB, Enabled Floppy Drive A ....x.xx MB, x.x-inch Floppy Drive B ....None IDE Primary Channel Master ..Hard Disk...

  • Page 49: Processor

    The following screen shows page 2 of the System Information menu. System Information Page 2/2 Serial Port 1 ..... 3F8h, IRQ 4 Serial Port 2 ..... 2F8h, IRQ 3 Parallel Port ....378h, IRQ 7 Pointing Device ....Installed Memory Parity Mode ....Disabled Onboard USB .......

  • Page 50: Processor Speed

    2.2.2 Processor Speed The Processor Speed parameter specifies the speed of the CPU currently installed in your system. The system supports Intel Pentium II CPUs running at 233, 266, or 300 MHz. 2.2.3 Bus Frequency The Bus Frequency parameter specifies the system external clock. The bus frequency can be either 66 or 100 MHz.

  • Page 51: Ide Primary Channel Master

    2.2.8 IDE Primary Channel Master This parameter specifies the current configuration of the IDE device connected to the master port of the primary IDE channel. For information on how to configure IDE devices, see section 2.4.2. 2.2.9 IDE Primary Channel Slave This parameter specifies the current configuration of the IDE device connected to the slave port of the primary IDE channel.

  • Page 52: Serial Port 1

    2.2.13 Serial Port 1 This parameter indicates the serial port 1 address and IRQ setting. 2.2.14 Serial Port 2 This parameter indicates the serial port 2 address and IRQ setting. 2.2.15 Parallel Port This parameter indicates the parallel port address and IRQ setting. 2.2.16 Pointing Device The BIOS utility automatically detects if there is a mouse connected...

  • Page 53: Product Information

    Product Information The Product Information contains general data about the system. It includes the product name, serial number, BIOS version, etc. This information is necessary for troubleshooting and may be required when asking for technical support. The following screen shows the Product Information items. Product Information Page 1/1 Product Name ......

  • Page 54: Main Board S/N

    2.3.4 Main Board S/N This parameter specifies the system board’s serial number. 2.3.5 System BIOS Version This parameter specifies the version of the BIOS utility. 2.3.6 System BIOS ID This parameter specifies the identification number of the BIOS utility. 2.3.7 BIOS Release Date This parameter specifies the official date the BIOS version was released.

  • Page 55: Disk Drives

    Disk Drives The Disk Drives menu lets you configure the system hard disk and disk drive settings. If your hard disk supports the enhanced IDE features, you may set the functions using this menu. The following screen shows the Disk Drives parameters and their default settings: Disk Drives Page 1/1...
  • Page 56 From the Disk Drives screen, select the IDE Primary Channel Master, IDE Primary Channel Slave, the IDE Secondary Channel Master, or IDE Secondary Channel Slave items to display their respective menus. Selecting the IDE Primary Channel Master item displays the following menu.

  • Page 57: Floppy Drives

    2.4.1 Floppy Drives To configure the first floppy drive (drive A), highlight the Floppy Drive A parameter. Press key to view the options, then select the appropriate value. Possible settings for the Floppy Drive parameters: None [360 KB, 5.25-inch] [1.2 MB, 5.25-inch] [720 KB, 3.5-inch]...
  • Page 58 You may do any of the following: Select the type that corresponds to your IDE hard disk drive. If you do not know the exact type of your IDE device, select option to let the BIOS utility automatically detect Auto the installed IDE drive type.
  • Page 59 Hard Disk Block Mode This function enhances disk performance depending on the hard disk in use. If you set this parameter to , the BIOS utility Auto automatically detects if the installed hard disk drive supports the Block Mode function. If supported, it allows data transfer in block (multiple sectors) at a rate of 256 bytes per cycle.
  • Page 60 Hard Disk 32-bit Access Enabling this parameter improves system performance by allowing the use of the 32-bit hard disk access. This enhanced IDE feature works only under DOS, Windows 3.x, Windows 95, and Novell NetWare. If your software or hard disk does not support this function, set this parameter to Disabled CD-ROM Drive DMA Mode...

  • Page 61: Power Management

    Power Management The Power Management menu lets you configure the system power management features. The following screen shows the Power Management parameters with their default settings: Power Management Page 1/1 Power Management Mode ....[Disabled] IDE Hard Disk Standby Timer ..[---] System Sleep Timer ....[---] Stop CPU Clock in Sleep State ..[---] Power Switch <...

  • Page 62: Power Switch < 4 Sec

    System Sleep Timer This parameter sets the system to the lowest power-saving mode. It automatically enters into the sleep or the suspend mode after a specified period of inactivity. Any keyboard or mouse action, or any modem activity (if the Modem Ring option is enabled - see section 2.5.2) detected resume system operation.

  • Page 63: Startup Configuration

    Startup Configuration The Startup Configuration allows you to specify your preferred setting for bootup. The following screen appears if you select the Startup Configuration option from the main menu: Startup Configuration Page 1/1 Fast POST Mode ......[Auto ] Silent Boot ......[Enabled ] Num Lock After Boot ....[Enabled ] Memory Test ......[Disabled] Initialize SCSI Before IDE .....[Disabled]...

  • Page 64: Silent Boot

    2.6.2 Silent Boot This parameter enables or disables the Silent Boot function. When set to Enabled , BIOS is in graphical mode and displays only an identification logo during POST and while booting. After which the screen displays the operating system prompt (such as DOS) or logo (such as Windows 95).

  • Page 65: System Boot Drive

    2.6.6 System Boot Drive This parameter allows you to specify the system search sequence. The selections are: The system checks drive A first. If there is Drive A then C: a diskette in the drive, the system boots from drive A. Otherwise, it boots from drive C.

  • Page 66: Advanced Configuration

    Advanced Configuration The Advanced Configuration option allows you to configure the advanced system memory functions. Do not change any settings in the Advanced Configuration if you are not a qualified technician to avoid damaging the system. The following screen shows the Advanced Configuration parameters. Advanced Configuration Onboard Devices Configuration PnP/PCI System Configuration...

  • Page 67: Onboard Devices Configuration

    2.7.1 Onboard Devices Configuration The Onboard Devices Configuration allows you to configure the onboard communication ports and the onboard devices. Selecting this option from the Advanced Configuration menu displays the following screen: Onboard Devices Configuration Page 1/2 Serial Port 1 ....... [Disabled] Base Address .....
  • Page 68 Onboard Devices Configuration Page 2/2 Onboard Floppy Disk Controller ..[Enabled] Onboard IDE Primary Channel ..[Enabled] Onboard IDE Secondary Channel ..[Enabled] Onboard PS/2 Mouse (IRQ 12) ..[Enabled] Onboard USB ......[Disabled] USB Legacy Mode ....[--------] Onboard Ethernet Chip ....[Enabled] SMBUS Interrupt(IRQ9) ....[Enabled] = Move Highlight Bar, = Change Setting, F1 = Help PgDn/PgUp = Move Screen...
  • Page 69 Serial Port 2 This parameter allows you to enable or disable the serial port 2. The Base Address and IRQ items are configurable only if this parameter is enabled. BASE ADDRESS This function lets you set a logical base address for serial port 2. The options are: 3F8h 2F8h...
  • Page 70 Parallel Port This parameter allows you to enable or disable the parallel port. BASE ADDRESS This function lets you set a logical base address for the parallel port. The options are: 3BCh 378h 278h This function lets you assign an interrupt for the parallel port. The options are IRQ The Base Address and IRQ parameters are configurable only if Parallel Port is enabled.

  • Page 71: Parallel Port Operation Mode Settings

    OPERATION MODE This item allows you to set the operation mode of the parallel port. Table 2-1 lists the different operation modes. Table 2-1 Parallel Port Operation Mode Settings Setting Function Standard Parallel Port (SPP) Allows normal speed one-way operation Standard and Bidirectional Allows normal speed operation in a two-way mode...
  • Page 72 Onboard IDE Secondary Channel This parameter lets you enable or disable the secondary IDE channel. When enabled, it allows you access the devices connected to the secondary channel. When disabled, it deactivates the connected devices. Onboard PS/2 Mouse (IRQ 12) This parameter enables or disables the onboard PS/2 mouse.
  • Page 73 SMBUS Interrupt (IRQ9) The System Management Bus (SMBus) is use for controlling and getting information from devices on a motherboard. It was designed for hybrid devices based on analog semiconductor technologies and with limited digital capabilities. Enabling this feature will reserve IRQ9 for SMBUS use.

  • Page 74: Pnp/Pci System Configuration

    2.7.2 PnP/PCI System Configuration The PnP/PCI System Configuration allows you to specify the settings for your PCI devices. Selecting this option displays the following screen: PnP/PCI System Configuration Page 1/2 PCI IRQ Setting ... [ Auto INTA INTB INTC INTD PCI Slot 1 ....
  • Page 75 PnP/PCI System Configuration Page 2/2 PCI IRQ Sharing ....[No] VGA Palette Snoop ....[Disabled] Graphics Aperture Size ..[ 8 ] MB Plug and Play OS ....[No] Reset Resource Assignments ..[No] = Move Highlight Bar, = Change Setting, F1 = Help PCI IRQ Setting This parameter allows for Auto...
  • Page 76 PCI SLOTS These parameters allow you to specify the appropriate interrupt for each of the PCI devices. You can assign IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, IRQ12, IRQ14, or IRQ15 to the slots. Make sure that the interrupt you assign to the various PCI slots are not used by other devices to avoid conflicts.
  • Page 77 PCI Device Latency Timer This parameter allows you to set the length of time for a PCI device to use the PCI bus. A PCI master can burst indefinitely as long as the target can source/sink the data, and no other agent requests for the bus. If another PCI device requests for the use of the PCI bus, a PCI bus arbitration takes place, and the tenure of the device currently using the PCI bus cannot go over the PCI latency time set in BIOS.
  • Page 78 The VGA palette snoop function allows the control palette register (CPR) to manage and update the VGA RAM DAC (Digital Analog Converter, a color data storage) of each VGA card installed in the system. The snooping process lets the CPR send a signal to all the VGA cards so that they can update their individual RAM DACs.

  • Page 79: Memory/Cache Configuration

    Reset Resource Assignments Set this parameter to to avoid IRQ conflict when installing non-PnP or PnP ISA cards. This clears all resource assignments and allows BIOS to reassign resources to all installed PnP devices the next time the system boots. After clearing the resource data, the parameter resets to 2.7.3 Memory/Cache Configuration...
  • Page 80 Cache Scheme This parameter allows you to select Write Back Write Through for the cache mode. updates the cache but not the Write Back memory when there is a write instruction. It updates the memory only when there is an inconsistency between the cache and the memory. updates both the cache and the memory whenever Write Through there is a write instruction.

  • Page 81: Cpu Speed Configuration

    Single Processor MP Table Enabling this parameter allows BIOS to create a multiprocessor (MP) table for Windows NT use. In a single-processor system running Windows NT, you may disable this parameter to enhance system performance. If you install another CPU for a dual (or multiprocessor) system, enable this parameter then re-install Windows NT.

  • Page 82: System Event Configuration

    Multiple Sets this parameter for the Core/BUS ratio of your system. The clock speed of the BUS does not necessarily equal the CPU’s (core). The bus clock speed is often slower than the CPU clock speed. Processor Speed The processor speed is the speed at which a microprocessor executes instructions.
  • Page 83 = Move Highlight Bar, = Change Setting, F1 = Help System Event Logging Allows you to record monitored events that occur during the operation of your system. EVENT LOGGING This parameter allows you to enable or disable the event logging function of your system.
  • Page 84 TEMP/VOL/FAN Enable or disable the monitoring of the system’s temperature, volume, and CPU fan. The default is Disabled ECC or Error-Correcting Code tests the accuracy of data as it passes in and out of memory. This parameter enables or disables the monitoring of this function.
  • Page 85 WARNING DEGREE You can set a threshold for the CPU’s temperature level here and every time the CPU’s temperature exceeds this level a warning will be logged into the event log file. A typical warning degree threshold setting is 55 C. FATAL DEGREE When the CPU’s temperature reaches this threshold level a fatal warning will be logged into the event log file.

  • Page 86: System Security Setup

    System Security Setup The Setup program has a number of security features to prevent unauthorized access to the system and its data. The following screen appears when you select System Security from the main menu: System Security Page 1/1 Disk Drive Control Floppy Drive ..

  • Page 87: Setup Password

    Table 2-2 Drive Control Settings Setting Description Floppy Drive Normal Floppy drive functions normally Write Protect All Sectors Disables the write function on all sectors Write Protect Boot Sector Disables the write function only on the boot sector Disabled Disables all floppy drive functions Hard Disk Drive Normal Hard disk drive functions normally...
  • Page 88 Highlight the Setup Password parameter and press the key. The password prompt appears: Type a password. The password may consist of up to seven characters. Be very careful when typing your password because the characters do not appear on the screen.

  • Page 89: Setup Password

    Changing or Removing the Setup Password Should you want to change your setup password, do the following: Enter the BIOS utility and select System Security. Highlight the Setup Password parameter. Press to display the password prompt and key-in a new password.
  • Page 90 Bypassing the Setup Password If you forget your setup password, you can bypass the password security feature by hardware. Follow these steps to bypass the password: Turn off and unplug the system. Open the system housing and set JP6 to to bypass the password function.

  • Page 91: Power-On Password

    2.8.3 Power-on Password The Power-on Password secures your system against unauthorized use. Once you set this password, you have to type it whenever you boot the system. To set this password, enter the BIOS utility, select System Security, then highlight the Power-on Password parameter. Follow the same procedure as in setting the Setup password.

  • Page 92: Date And Time

    Date and Time The real-time clock keeps the system date and time. After setting the date and time, you do not need to enter them every time you turn on the system. As long as the internal battery remains good (approximately seven years) and connected, the clock continues to keep the date and time accurately even when the power is off.

  • Page 93: Date

    2.9.1 Date Highlight the items on the Date parameter and press to set the date following the weekday-month-day-year format. Valid values for weekday, month, day, and year are: Weekday Sun, Mon, Tue, Wed, Thu, Fri, Sat Month Year 2.9.2 Time Highlight the items on the Time parameter and press to set the time following the hour-minute-second format.

  • Page 94: Load Setup Default Settings

    2.10 Load Setup Default Settings Use this option to load the default settings for the optimized system configuration. When you load the default settings, some of the parameters are grayed-out with their fixed settings. These grayed parameters are not user-configurable. The following dialog box appears when you select Load Setup Default Settings from the main menu.

  • Page 95: Leaving Setup

    2.12 Leaving Setup Examine the system configuration values. When you are satisfied that all the values are correct, write them down. Store the recorded values in a safe place. In the future, if the battery loses power or the CMOS chip is damaged, you will know what values to enter when you rerun Setup.

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