Page 1 Hardware Maintenance Service for Service Level A Machine Types 6266, 6270, 6276, 6279, 6280 and 6286...
Page 2 Note Before using this information and the product it supports, be sure to read the general information under on page 5. First Edition (July 2001) The following paragraph does not apply to any state or country where such provisions are inconsistent with local law: INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION "AS IS"...
Page 3: Table Of Contents
Contents Notices ................................5 Voltage Supply Switch Settings ........................5 Safety Information ............................6 Laser Compliance Statement ..........................24 Trademarks ..............................25 Preface................................26 General Information ............................27 Product Overview ............................29 Hardware Interfaces ............................32 CMOS Reset ..............................33 Flash (BIOS/VPD) update procedure.......................34 BIOS Setup Utility............................35 Working with the Setup Menus .........................35 Starting the Setup Utility ...........................35 Advanced Setup ............................38 Power Management Setup ........................39...
Page 4 Parts/Test Point Locations ...........................99 Introduction ..............................100 Layout of System Board of Machine Types 6266, 6270, 6276, 6279 ...............101 Connectors and Functions of System Board of Machine Types 6266, 6270, 6276, 6279 ......102 Power Supply Cable Connector Specifications ....................103 Main Output Pin Assignment ........................104 Factory-Installed Modem Card Layout ......................106 Factory-Installed Modem Card Connector Functions ................106 3.5-In.
Page 5: Notices
Notices References in this publication to IBM products, programs, or services do not imply that IBM intends to make these available in all countries in which IBM operates. Any reference to an IBM product, program, or service is not intended to state or imply that only IBM’s product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any of IBM’s intellectual property rights, or other legally protectable rights, may be used instead of the IBM product, program, or service.
Page 6: Safety Information
Safety Information DANGER To avoid a shock hazard, do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm. To avoid shock hazard: The power cord must be connected to a properly wired and grounded receptacle.
Page 7 Caution: When replacing the battery, use only IBM Part Number 36L9077 or an equivalent type battery recommended by the manufacturer. If your system has a module containing a lithium battery, replace it only with the same module type made by the same manufacturer.
Page 8 PERIGO Para evitar choques elétricos, não conecte ou desconecte nenhum cabo, nem efetue instalação, manutenção ou reconfiguração deste produto durante uma tempestade com raios. Para evitar choques elétricos: O cabo de alimentação deve ser conectado a um receptáculo corretamente instalado e aterrado. Todos os equipamentos aos quais este produto será...
Page 9 cuidado: Ao substituir a bateria, utilize apenas o Número de Peça IBM 36L9077 ou um tipo de bateria equivalente recomendado pelo fabricante. Se seu sistema possuir um módulo com uma bateria de lítio, substitua-o apenas pelo mesmo tipo de módulo, produzido pelo mesmo fabricante.
Page 14 DANGER Pour éviter tout risque de choc électrique, ne manipulez aucun câble et n'effectuez aucune opération d'installation, d'entretien ou de reconfiguration de ce produit au cours d'un orage. Pour éviter tout risque de choc électrique : Les cordons d'alimentation du présent produit et de tous les appareils qui lui sont connectés doivent être branchés sur des socles de prise de courant correctement câblés et mis à...
Page 15 attention: Remplacez la pile usagée par une pile de référence identique exclusivement - voir la référence IBM - ou par une pile équivalente recommandée par le fabricant. Si votre système est doté d'un module contenant une pile au lithium, vous devez le remplacer uniquement par un module identique, produit par le même fabricant.
Page 16 Le courant électrique circulant dans les câbles de communication et les cordons téléphoniques et d'alimentation peut être dangereux. Pour votre sécurité et celle de l'équipement, avant de retirer les carters, mettez celui-ci hors tension et déconnectez ses cordons d'alimentation, ainsi que les câbles qui le relient aux réseaux, aux systèmes de télécommunication et aux modems (sauf instruction contraire mentionnée dans les procédures d'installation et de configuration).
Page 17 achtung: Eine verbrauchte Batterie nur durch eine Batterie mit der IBM Teilenummer 36L9077 oder durch eine vom Hersteller empfohlene Batterie ersetzen. Wenn Ihr System ein Modul mit einer Lithium-Batterie enthält, ersetzen Sie es immer mit dem selben Modultyp vom selben Hersteller. Die Batterie enthält Lithium und kann bei unsachgemäßer Verwendung, Handhabung oder Entsorgung explodieren.
Page 18 PERICOLO Per evitare il pericolo di scosse elettriche durante i temporali, non collegare o scollegare cavi, non effettuare l'installazione, la manutenzione o la riconfigurazione di questo prodotto. Per evitare il pericolo di scosse elettriche: collegare il cavo di alimentazione ad una presa elettrica correttamente cablata e munita di terra di sicurezza;...
Page 19 ATTENZIONE: Quando si sostituisce la batteria, utilizzare solo una batteria IBM 36L9077 o batterie dello stesso tipo o di tipo equivalente consigliate dal produttore. Se il sistema di cui si dispone è provvisto di un modulo contenente una batteria al litio, sostituire tale batteria solo con un tipo di modulo uguale a quello fornito dal produttore.
Page 22 PELIGRO Para evitar una posible descarga eléctrica, no conecte ni desconecte los cables ni lleve a cabo ninguna operación de instalación, de mantenimiento o de reconfiguración de este producto durante una tormenta eléctrica. Para evitar una posible descarga: El cable de alimentación debe conectarse a un receptáculo con una instalación eléctrica correcta y con toma de tierra.
Page 23 caution: Al cambiar la batería, utilice únicamente la batería IBM Número de pieza 36L9077 o un tipo de batería equivalente recomendado por el fabricante. Si el sistema tiene un módulo que contiene una batería de litio, sustitúyalo únicamente por el mismo tipo de módulo del mismo fabricante.
Page 24: Laser Compliance Statement
Laser Compliance Statement The CD/DVD-ROM drive in the computer is a laser product. The CD/DVD-ROM drive's classification label (sample shown below) is located on the drive. CLASS 1 LASER PRODUCT APPAREIL A LASER CLASSE 1 LASER KLASSE 1 LUOKAN 1 LASERLAITE PRODUIT LASER CATEGORIE 1 The CD/DVD-ROM drive is certified in the U.S.
Page 25: Trademarks
Trademarks The following are trademarks of the IBM Corporation in the United States or other countries or both: Operating System/2 OS/2 Personal System/2 HelpCenter PS/1 PS/2 Intel, Pentium, MMX, EtherExpress, and LANDesk are trademarks or registered trademarks of Intel Corporation. Microsoft, MS-DOS, Windows, and Windows NT are trademarks or registered trademarks of Microsoft Corporation.
Page 26: Preface
Preface This manual contains service information for the Service Level A (SL-A) model of the IBM Personal Computer, worldwide. This manual is intended to be used as a stand-alone document to service Machine Types 6266, 6270, 6276, 6280 and 6286 product. It is divided into the following chapters: Notices contains important safety information and notices required to service this computer.
Page 27: General Information
General Information General Information ............................27 Intoduction ..............................28 Product Overview ............................29 CMOS Reset ..............................33 Flash (BIOS/VPD) update procedure.......................34 Working with the Setup Menus .........................35 Advanced Setup ............................38 Power Management Setup ........................39 ISA Legacy Resources ..........................39 System Security ............................39 Specifications ..............................41 Operating Requirements ..........................42 Special Tools..............................43 Copyright IBM Corp.
Page 28: Intoduction
Introduction This chapter gives a general overview of Machine Types 6266, 6270, 6276, 6279, 6280 and 6286, describing the standard and optional features and details functional and environmental specifications. Machine Types 6266 and 6286 are desktop models and 6270, 6276, 6279 and 6280 are micro tower models.
Page 29: Product Overview
Product Overview All Machine Types mentioned above contain three PCI slots, and the system boards support the Intel processors. Listed below are system features: Processors (Machine Types 6266, 6270, 6276, 6279, 6280 and 6286) Socket 370 Detachable fansink with only a heatsink on some Celeron models One of the following processors: Intel Celeron 566 MHZ CPU Intel Celeron 600 MHZ CPU...
Page 30 Hard Disk Drive 3.5-in., 1-in. height IDE AT drive. 512 KB cache buffer in hard disk drive. Average and minimum 11.1 ms seek time, access time varies for the hard disk drive and the hard disk drive manufacturer. CD-ROM Drive 5.25-in.
Page 31 Keyboard (Keyboard is Geography/Model dependent.) PS/2 104-key rubber dome IBM Keyboard with 1.8-m (5.8-ft) cable. Rapid Access II Keyboard with 104 keybuttons. Mouse 2 button mouse connected to the mouse port with 1.8-m (5.8-ft) cable. ScrollPoint II mouse.
Page 32: Hardware Interfaces
Hardware Interfaces The following peripheral interfaces for adapters, options, and drives are supported in the system unit. Table 1-1 System Board Hardware Interfaces Item Interface Expansion slot for Three PCI (peripheral component I/O adapter cards interconnect) v2.1 compatible expansion slots that operate at 33 MHz bus speed.
Page 33: Cmos Reset
CMOS Reset This system does not deny access to the BIOS Setup Utility. Execute “Load BIOS Default Settings” in BIOS Setup to clear the corrupted CMOS data. See “Loading Default Settings” on page 36.
Page 34: Flash (Bios/Vpd) Update Procedure
Flash (BIOS/VPD) update procedure 1. Power-off the computer. Insert the flash update diskette into drive A. 3. Power-on the computer. 4. When the Update Utility appears; select the country/keyboard, and then press Enter. 5. If the computer serial number was previously recorded, the number is displayed with an option to update it. Press Y to update the serial number.
Page 35: Bios Setup Utility
BIOS Setup Utility The Setup Utility lets you review and change important information about the computer and its hardware. Working with the Setup Menus Starting the Setup Utility Follow these steps to enter Setup when the computer is off: 1. Turn on your monitor. 2.
Page 36 The following table lists specific keys on the keyboard that will help you move through the Setup menus: Keys Function Down- or up-arrow key Use these arrow keys to highlight an option on the menu. (Press the Enter key to choose the option.) Left- or right-arrow key Use these arrow keys to make a selection and change an option’s setting.
Page 37 To view the computer information such as the model number, serial number, and BIOS version and date, select the Product Data option from the Setup main menu. The items displayed are not configurable. Devices and I/O ports The options in this menu item are used to configure the devices and I/O ports that this system has. Mouse This setting allows you to select whether or not a mouse is installed.
Page 38: Advanced Setup
Start options The start options are settings that affect the way your computer acts when started. Startup Sequence Your computer can be started from several devices, including the hard disk drive, diskette drive, and CD-ROM drive. Primary Startup Sequence Use this setting to view or change the sequence. Automatic Power On Select enabled to use the startup sequence if your computer is started using automatic power on function.
Page 39: Power Management Setup
Plug and Play Control Use the option to configure settings for Plug and Play devices. Set Device Code Most Plug and Play adapters use 16-bit address decoding. If you are experiencing problems with a Plug and Play adapter, changing address to decoding to 10-bit might fix the problem. Address Decode Select Yes if you are experiencing post errors numbered 185X and your system will be booting from a Plug and Play compliant operating system.
Page 40 Remote Administration Select enabled to allow Remote Administration to be run from a remote system without requiring entry of your administrator password. Power-On Password This option allows you to set, change, or delete a power-on password. Administrator Password This option allows you to set, change, or delete an administrator password. Adapter ROM Security If Yes, the keyboard will be locked during adapter ROM initilization.
Page 41: Specifications
Specifications Dimensions (width x depth x height): System unit: For machine types 6266 and 6286 305 mm (12.45 in.) x 380.4 mm (14.97 in.) x 88 mm (3.46 in.) For machine types 6270, 6276, 6279 and 6280: 192 mm x 338 mm x 353 mm . Weight: System unit: For machine types 6266 and 6286:...
Page 42: Operating Requirements
Operating Requirements All machines require two power inputs: one on the system unit and one on the monitor display. The system unit comes with a voltage selector switch, allowing selection of either 115 V ac or 230 V ac. This switch must be in the 230 V ac position when the machine is plugged into a 230 V ac electrical outlet.
Page 43: Special Tools
Special Tools The following special tool is required to service this system when running the diagnostics program (PC-Doctor): Wrap plug, P/N 72X854...
Page 45: Checkprocedures
CheckProcedures Check Procedures............................45 Introduction ..............................46 Start ................................47 Index of Symptoms, Messages, Error Codes, or Beeps...................50 Troubleshooting ..............................59 Factory-Installed Storage Devices ......................60 Factory-Installed Modem Card .........................61 Audio (Not Supported by Diagnostics Program)..................62 CD-ROM Drive ............................63 Memory ..............................64 Keyboard..............................64 Mouse ..............................65 Power Supply ............................66 Monitor ..............................68 Undetermined Problems...........................69 Copyright IBM Corp.
Page 46: Introduction
Introduction This chapter contains the check procedures used to diagnose the causes of product failures. The diagnostic information consists of: Start: This is the starting point for any diagnostic action. Based on high-level symptoms, the check procedure directs you to more detailed procedures to help resolve machine failures.
Page 47: Start
Start This is the entry point for all check procedures. The check procedures use failure symptoms, Power-On Self Test (POST) error codes, or beeps to help determine the defective field replaceable unit (FRU). Follow the suggested check procedures or use the diagnostics diskette to determine the problem FRU.
Page 48 If a newly replaced FRU does not correct the problem: If you have reached this point of the check procedures and were instructed to replace a FRU but doing so did not correct the problem, reinstall the original FRU and go through "Start" again. If you want to print a copy of a BIOS Setup Utility screen to an attached printer, press Print Screen key, while the screen is displayed.
Page 49 007 - The system configuration report shows only those devices supported by the diagnostics diskette. If a device is missing from the list and is not factory installed, refer to the service manual provided for that device. 008 - DOES THE DIAGNOSTICS FINISH WITHOUT ANY ERRORS? (YES, READ AHEAD. NO, GO TO STEP 009.) If the Diagnostics \ All Tests did not detect a failure but the system still indicates a failure: Check all adapter card jumper settings.
Page 50: Index Of Symptoms, Messages, Error Codes, Or Beeps
Index of Symptoms, Messages, Error Codes, or Beeps How to Use Error Messages: Use the messages, error codes, and beeps combinations that occur to diagnose failures. If more than one failure occurs, diagnose from the first failure that appears. The cause of the first failure can result in false messages, error codes, or beeps. If you did not receive any messages, error codes, or beeps, see if the symptom is listed in Table 2-3, "...
Page 51 Table 2-1 BIOS Error Codes, Messages, and Beeps List BIOS Error Codes, Messages, Action/FRU beeps NOTE: To diagnose a problem, first find the BIOS error messages, codes, or beeps in left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the most likely cause.
Page 52 Table 2-1 BIOS Error Codes, Messages, and Beeps List BIOS Error Codes, Messages, Action/FRU beeps NOTE: To diagnose a problem, first find the BIOS error messages, codes, or beeps in left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the most likely cause.
Page 53 Table 2-2 BIOS Error Codes, Messages, and Beeps List BIOS Error Codes, Messages, Action/FRU beeps NOTE: To diagnose a problem, first find the BIOS error messages, codes, or beeps in left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the most likely cause.
Page 54 Table 2-3 Error Symptoms List Error Symptoms Action/FRU NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the most likely cause.
Page 55 Table 2-3 Error Symptoms List Error Symptoms Action/FRU NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the most likely cause.
Page 56 Table 2-3 Error Symptoms List Error Symptoms Action/FRU NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the most likely cause.
Page 57 Table 2-3 Error Symptoms List Error Symptoms Action/FRU NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the most likely cause.
Page 58 Table 2-3 Error Symptoms List Error Symptoms Action/FRU NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the most likely cause.
Page 59: Troubleshooting
Troubleshooting Failing Parts or Assemblies: The check procedures generally help you trace a problem to one part or assembly. The last step of the specific check procedure you are using indicates that a part or assembly is failing. You should inspect the part or assembly before you decide to replace it.
Page 60: Factory-Installed Storage Devices
Factory-Installed Storage Devices Use this check procedure to test any factory-installed drives. ATTENTION: The customer may have customized settings in the Setup Utility (other than default settings) on the computer you are servicing. Running the Setup Utility might alter those settings. Take note of the current settings and verify that the customer settings are in place when service is complete.
Page 61: Factory-Installed Modem Card
Factory-Installed Modem Card 001 - START Power off the system unit. In Windows 98 Device Manager, make sure that the modem is not configured with a conflicting COM port and IRQ setting. Make sure that the communication software is configured with the correct COM and IRQ settings ( same COM port and IRQ as the modem).
Page 62: Audio (Not Supported By Diagnostics Program)
Audio (Not Supported by Diagnostics Program) NOTE: Audio tests for the sound card cannot be carried out in the PC Doctor DOS diagnostics program. It is, however; possible to carry out a dial tone test for the modem. While performing this check, you may need to enter and exit Microsoft Windows 98 several times. When instructed to select an icon or button, double-click on the item with the mouse.
Page 63: Cd-Rom Drive
CD-ROM Drive 001 - START Insert the diagnostics diskette into the diskette drive and make sure that there is no CD in the CD-ROM drive. Select Interactive Tests menu, then select and execute CD-ROM Test. 002 - DO YOU SEE A MESSAGE “NO CD-ROM DRIVE OR MSCDEX DEVICE DRIVER INSTALLED.” ? (YES, READ AHEAD. NO, GO TO 003.) Exit the diagnostics program and power off the system.
Page 64: Memory
Memory 001 - START Power off the system unit. Insert the diagnostics diskette into the diskette drive. Make sure that all DIMMs are installed correctly. Power on the system unit. Take note of any messages, error codes, or symptoms. 002 - DO YOU RECEIVE POST MEMORY ERROR MESSAGE? (YES, READ AHEAD.
Page 65: Mouse
Mouse NOTE: A sticking key button can cause the mouse to operate incorrectly. If you suspect this, go to "Keyboard" on page 64. 001 - START Make sure that the mouse ball turns freely. Make sure that the mouse plug connects properly. 002 - Power off the system unit.
Page 66: Power Supply
Power Supply 001 - START Power off the system unit. Check the power cord for continuity. Replace if necessary. Check for the correct line voltage from the power outlet, and verify that the voltage selector switch is set to the correct voltage. Power on the system unit.
Page 67 006 - ARE THE VOLTAGES CORRECT AND DOES THE FAN RUN? (YES, READ AHEAD. NO, GO TO STEP 009) The power supply is working normally. If you suspect the on/off switch cable assembly, see Step 003. If the fan continues to run when all connectors are plugged back in, go to “Undetermined Problems” on page 69. If the fan stops running when a drive connector is plugged back in, go to "Start"...
Page 68: Monitor
Monitor First, set the system to VGA mode. To do this in Windows 98, press the F8 function key during startup. Safe mode (VGA) will be set for Windows 98. Use the operating system's video setup to change the monitor resolution. If the monitor type is set to the power saving mode, the screen remains black and the LED lights or flashes in amber color.
Page 69: Undetermined Problems
Undetermined Problems If an error code is present, go to “Index of Symptoms, Messages, Error Codes, or Beeps” on page 50. If no error code is present, continue with this check. Check the power supply voltages (see “Power Supply Cable Connector Specifications" on page 103). If the voltages are correct, return here and continue with the following steps: 1.
Page 71: Diagnostic Aids
Diagnostic Aids Diagnostic Aids .............................71 Introduction ..............................72 Power-On Self Test ............................73 Diagnostics Tools ............................74 Using Diagnostics Program from Recovery CD ..................74 Diagnostics Program Features .........................75 Copyright IBM Corp. 2000...
Page 72: Introduction
Introduction This section explains the diagnostic aids, power-on self test (POST) and diagnostics program (PC-Doctor), that are available for troubleshooting problems on the system.
Page 73: Power-On Self Test
Power-On Self Test Each time you power-on the system, the power-on self test (POST) is initiated. Several items are tested during POST, but is for the most part transparent to the user. POST checks the following: System Board Mouse Memory Parallel Port(s) SVGA Controller Serial Port(s)
Page 74: Diagnostics Tools
Diagnostics Tools IMPORTANT: This manual is intended to test the IBM Machine Types 6266, 6270, 6276, 6279, 6280 and 6286.Testing devices which are not included with the original product package, including other IBM products, prototype cards, or modifying hardware settings may give false errors and invalid system responses.
Page 75: Diagnostics Program Features
Diagnostics Program Features Diagnostics program (PC-Doctor for DOS) includes the following features: Table 3-1. Diagnostics Program Features Main Menu Selections Submenu Selections System Test Diagnostics Memory Test Hard Disk Test Floppy Disk Test All Tests Keyboard Interactive Tests Video Internal Buzzer Mouse Joystick Test Diskette...
Page 77: Repair Information
Repair Information Repairing Information ...........................77 Removals and Replacements of Machine Types 6270, 6276, 6279 and 6280 ..........78 Identifying the Parts of the System Unit ......................79 Top Cover ..............................81 Adapter Cards ............................82 Diskette Drive............................83 CD-ROM Drive ............................84 Hard Disk Drive ...............................85 System Board..............................86 Power Supply ............................87 Memory (DIMM) ............................88...
Page 78: Removals And Replacements Of Machine Types 6270, 6276, 6279 And 6280
Removals and Replacements of Machine Types 6270, 6276, 6279 and 6280 BEFORE REMOVING ANY FRU, POWER-OFF THE COMPUTER, UNPLUG ALL POWER CORDS FROM ELECTRICAL OUTLETS, THEN DISCONNECT ANY INTERCONNECTING CABLES. ATTENTION: The System board, processors, adapter cards, DIMMs, and upgrade processors can be damaged by electrostatic discharge. Use an electrostatic discharge (ESD) strap to establish personal grounding.
Page 79: Identifying The Parts Of The System Unit
Identifying the Parts of the System Unit This computer system has 3 bays, each bay has a factory-installed drive in it. The devices are 3.5” Diskette, 48X CD-ROM drive and 10, 15 or 20 GB hard disk. Diskette drives in this unit use the standard diskette advanced technology (AT) Interface. Hard disk and CD-ROM drives in this unit use an integrated drive Electronics (IDE) AT interface.
Page 80 1. Expansion slots On the rear panel of the system unit are 3 slot openings for installation of adapter card. 2. Hard Disk Drive This machine has a factory-installed 3.5” (10 or 15) GB hard disk drive. 3. Power Supply 4.
Page 81: Top Cover
Top Cover To remove the top cover of this system unit: Remove the 3 screws that secure the top cover at the back of the system unit. Hold both sides of the system unit cover and push it backward about 25 inches. Lift the top cover up to remove it completely.
Page 82: Adapter Cards
Adapter Cards Installing Adapter Cards Align and insert the adapter card into the adapter card connector. Secure the card with the screw to the system chassis. Reinstall all hardware and screws that you removed prior to the installation of the adapter card. Removing Adapter Cards Follow these steps to remove an adapter card: Position the system unit so that the card is accessible to you.
Page 83: Diskette Drive
Diskette Drive To remove the diskette drive: Remove the screw that secures the power at the back of the system unit. Pull the latch on the drive mounting tray and the power upward to remove it completely. Disconnect the power and signal cables from the back of the diskette drive. Remove the two screws that hold the diskette drive to the mounting tray.
Page 84: Cd-Rom Drive
CD-ROM Drive To remove CD-ROM Drive: Disconnect the power, sound and signal cables from the CD-ROM. Remove the two screws that secure the CD-ROM drive Open the door on the front of the computer. Slide the CD-ROM drive forward through the front opening and remove it. Reverse the procedure to install a new drive.
Page 85: Hard Disk Drive
Hard Disk Drive To remove or replace the hard disk drive: Disconnect the power and signal cables from the diskette drive. Remove the two screws that secure the mounting tray at the bottom of the system unit. Pull the drive mounting tray upward and remove it. Remove the four screws (two on each side) that secure the hard diskette drive to the mounting tray.
Page 86: System Board
System Board To remove the system board from the system: To remove the system board, you must remove the adapter cards first. Disconnect the power cable, CD-ROM cable, Diskette Drive cable, Hard Disk Drive cable, audio cable, power switch cable, speaker cable and LED cable from system board.
Page 87: Power Supply
Power Supply This system has a 155-watt switching power supply. 1. To remove the power supply. You must remove the top cover first. 2. Disconnect the power cable from the riser board and all drives. 3. Remove the screw in the machine rear that secures the power supply.
Page 88: Memory (Dimm)
Memory (DIMM) This system has 2 system memory module sockets, DIMM 0 and DIMM 1. These sockets hold dual in line memory modules (DIMM) that contains 3.3V signal or double-sided synchronous DRAM (SDRAM). You can install 32MB, 64MB, 128MB or 256MB DIMM in any sockets and with any combinations. The maximum memory size is 512 MB total.
Page 89: Removals And Replacements Of Machine Types 6266 And 6286
Removals and Replacements of Machine Types 6266 and 6286 BEFORE REMOVING ANY FRU, POWER-OFF THE COMPUTER UNPLUG, ALL POWER CORDS FROM ELECTRICAL OUTLETS, THEN DISCONNECT ANY INTERCONNECTING CABLES. ATTENTION: The System board, processors, adapter cards, DIMMs, and upgrade processors can be damaged by electrostatic discharge. Use an electrostatic discharge (ESD) strap to establish personal grounding.
Page 90: Identifying The Parts Of The System Unit
Identifying the Parts of the System Unit This computer system has 3 bays, each bay has a factory-installed drive in it. The devices are 3.5” Diskette, 40X CD-ROM drive and 10, 15 or 20 GB hard disk. Diskette drives in this unit use the standard diskette advanced technology (AT) Interface. Hard disk and CD-ROM drives in this unit use an integrated drive Electronics (IDE) AT interface.
Page 91: Top Cover
Top Cover To remove the top cover of this system unit: Remove the screws that secure the top cover at the back of the system unit. Hold both sides of the system unit top cover and push it forward about 25 inches. Lift the top cover up to remove it completely.
Page 92: Adapter Cards
Adapter Cards Installing Adapter Cards Remove the screw that secures the adapter card retainer and slot cover. Then remove the card retainer and slot cover. Align and insert the adapter card into the adapter card connector. Secure the card with the screw that you removed in the first step. Reinstall all hardware (except for the slot cover, which cannot be reinstalled) and screws that you removed prior to the installation of the adapter card.
Page 93: Diskette Drive
Diskette Drive To remove the diskette drive: Disconnect the power and signal cables from the back of the diskette drive. Pull up the latch that secures the drive-mounting tray. Slide the drive-mounting tray toward the front of the computer and remove it. Remove the four screws (two on each side) that secure the bay holder.
Page 94: Cd-Rom Drive
CD-ROM Drive To remove CD-ROM Drive: Disconnect the power, sound and signal cables from the CD-ROM. Pull up the latch that secures the CD-ROM drive mounting tray. Slide the drive-mounting tray toward the back of the computer and remove it. Remove four screws (two on each side) that secure the bay holder.
Page 95: Hard Disk Drive
Hard Disk Drive To remove or replace the hard disk drive: Follow the above steps to remove the CD-ROM. Make sure to disconnect the power cord and signal cables from the hard disk drive and the diskette device. Remove the screws that secure the bay holder that holds the hard diskette drive. Pull the bay holder right to uncouple it from the chassis completely and lift it up.
Page 96: System Board
System Board To remove the system board from the system: To remove the system board, you must remove the adapter cards first. Disconnect the power cable, CD-ROM cable, Diskette Drive cable, Hard Disk Drive cable, audio cable, power switch cable, speaker cable and LED cable from system board.
Page 97: Power Supply
Power Supply This system has a 95-watt switching power supply. 1. To remove the power supply. You must remove the top cover first. 2. Disconnect the power cable from the riser board and all drives. 3. Remove the screws in the machine rear that secure the power supply.
Page 98: Memory (Dimm)
Memory (DIMM) This system has 2 system memory module sockets, DIMM 0 and DIMM 1. These sockets hold dual in line memory modules (DIMM) that contains 3.3V signal or double-sided synchronous DRAM (SDRAM). The maximum memory size is 512 MB total.
Page 99: Parts/Test Point Locations
Parts/Test Point Locations Parts/Test Point Locations ...........................99 Introduction ..............................100 Layout of System Board of Machine Types 6266, 6270, 6276, 6279 ...............101 Connectors and Functions of System Board of Machine Types 6266, 6270, 6276, 6279 ......102 Power Supply Cable Connector Specifications ....................103 Main Output Pin Assignment ........................104 Factory-Installed Modem Card Layout ......................106 Factory-Installed Modem Card Connector Functions ................106...
Page 100: Introduction
Introduction This chapter contains system board layout and jumper settings. It is useful when you are asked to measure voltages. Use this information to help you locate parts such as electronic boards, connectors, pin numbers, and test points. This chapter also contains jumper settings for the hard disk drive, CD-ROM (compact disc-read-only memory) drive, and the connector information for modem adapter card.
Page 101: Layout Of System Board Of Machine Types 6266, 6270, 6276, 6279
Layout of System Board of Machine Types 6266, 6270, 6276, 6279, 6280 and 6286 Jumpers and Connectors Locations of System Board of Machine Types 6266, 6270, 6276, 6279, 6280 and 6286 1. Power connector (JWR1) 11. Modem In connector (J7) 2.
Page 102: Connectors And Functions Of System Board Of Machine Types 6266, 6270, 6276, 6279
Connectors and Functions of System Board of Machine Types 6266, 6270, 6276, 6279, 6280 and 6286 Table 5-1.Connectors and Functions of System Board of Machine Types 6266, 6270, 6276, 6279, 6280 and 6286 Connector Function BATT Battery socket FDD 1 Floppy connector PCI Slot 1 PCI Slot 1...
Page 103: Power Supply Cable Connector Specifications
Power Supply Cable Connector Specifications Refer to the following figures when checking for voltages on power supply cable connectors. When checking voltages, the power supply fan must be running. To power on the power supply without using the on/off switch, use a screwdriver or other tools to short the power supply connector (with the switch cable disconnected from the connector on the system board) or use a connection (jumper) to short the black and green wires of the 20-pin connector on power supply.
Page 104: Main Output Pin Assignment
Main Output Pin Assignment Table 5-3. Main Output Pin Assignment Function Color +3.3 V Orange 3.3 V Orange COMMON BLACK +5Vdc COMMON BLACK +5Vdc COMMON BLACK POWER GOOD GRAY +5Vs PURPLE +12Vdc YELLOW 3.3V Orange -12Vdc BLUE COMMON BLACK P.S-on GREEN COMMON BLACK...
Page 105 Hard Drive or CD-ROM Power Cable Connector 3.5-In. Diskette Drive Power Cable Connector...
Page 106: Factory-Installed Modem Card Layout
Factory-Installed Modem Card Layout Factory-Installed Modem Card Layout Factory-Installed Modem Card Connector Functions Item Function Connect to Telephone line-out Telephone set Some modem adapters may come without this jack. Telephone line-in Telephone line NOTE: Care should be taken while connecting the voice-in/speaker-out connector. The longer exposed end (approx. 15mm) of the cable should be connected to the modem card.
Page 107: 3.5-In. Hard Disk Drive Jumper Locations & Settings
3.5-In. Hard Disk Drive Jumper Locations & Settings 3.5-In. Hard Disk (Maxtor) Jumper Settings Locations Back of Drive (Quantum) AT Interface connector Jumper Configurations Slave Master Cable Select CS DS GND GND Default Jumper DS with CS Reserved Setting Shown in for Slaves Position Parking...
Page 108: Cd-Rom Drive
CD-ROM Drive CD-ROM Front Panel NOTE: Position of CD-ROM switches and LEDs may vary from illustration. Item Description Load / eject button Headphone jack Power-on / busy indicator, lights up in green color while disc is set in ready state; lights up and flashes in amber color during data read or seek operation.
Page 109: Cd-Rom Drive Jumper Settings
CD-ROM Drive Jumper Settings DESCRIPTION Drive configured as a Master. (default) Drive configured as a Slave. Cable select...
Page 110: Dimm Configurations
DIMM Configurations The system board has two DIMM sockets. A maximum of 512KB memory may be installed. You can install 32MB, 64MB, 128MB or 256MB DIMM in any sockets and with any combinations.
Page 111: System Board Connector Pin Signals
System Board Connector Pin Signals Monitor Port Signals Pin Signal Name Signal Name Red Video +5 V dc Green Video Synch Ground Blue Video No Connection No Connection Monitor ID Bit 1 Synch Ground Horizontal Synch Red Ground Vertical Synch Green Ground Monitor ID Bit 3 Blue Ground...
Page 112: Keyboard Port Signals
Keyboard Port Signals Pin Signal Name Signal Name Keyboard Data +5 V dc Power Mouse Data Keyboard Clock Ground Power Mouse Clock...
Page 113: Diskette Drive Cable Connector Signals
Diskette Drive Cable Connector Signals Signal Name Signal Name No Connection Direction SELECT Density Select Ground No Connection Step High Density Out Ground Ground Write Data No Connection Ground Ground Write GATE Index Ground Ground Track 0 No Connection Ground Ground Write Protect Drive Select 1...
Page 114: Ide Cable Connector Signals
IDE Cable Connector Signals Signal Name Signal Name Host Reset DMA Request Ground Ground Power Host Data 7 Host IOW Host Data 8 Ground Power Host Data 6 Host IOR Host Data 9 Ground Power Host Data 5 I/O Channel Ready Host Data 10 No Connection Host Data 4...
Page 115: Safety Inspection Guide
Safety Inspection Guide General Guidelines............................116 Copyright IBM Corp. 2000...
Page 116: General Guidelines
General Guidelines The purpose of this Safety Inspection Guide is to help you identify possible unsafe conditions on machines that are being inspected for a Maintenance Agreement. Each machine has necessary functions items installed to provide the operators and service personnel with an acceptable level of safety.
Page 117: Parts Catalog Of Machine Type
Parts Catalog of Machine Type Parts Catalog of Machine Types 6270, 6276, 6279 and 6280................118 Assembly 1: System Unit..........................118 Assembly 2: Diskette Drive, Hard Disk Drive ....................120 Assembly 3: CD-ROM, Modem Card ......................121 Assembly 4: Keyboard and Mouse ......................123 Parts Catalog of Machine Types 6266 ......................126 Assembly 1: System Unit..........................126 Assembly 2: Diskette Drive, Hard Disk Drive ....................128 Assembly 3: CD-ROM, Modem Card ......................129...
Page 118: Parts Catalog Of Machine Types 6270, 6276, 6279 And 6280
Parts Catalog of Machine Types 6270, 6276, 6279 and 6280 Assembly 1: System Unit Asm-Index FRU Number Description 31P5472 MSI-6188 810E 31P5464 MSI-6188 810E w/2 Serial Ports 22P2265 INTEL Celeron 566MHz 66FSB 19K3386 INTEL Celeron 600MHz 66FSB 22P2266 INTEL Celeron 633MHz 66FSB 22P2269 INTEL Celeron 667MHz 66FSB 22P2423...
Page 119 00N7689 155W Power Supply 4X3 China 00N7687 155W Power Supply 4X3 Japan/EMEA Power Cord US, LA (Lo Volt), Canada, Mexico, Peru, Colombia, Ecuador, Venezuela, 6952301 Bolivia, Panama, El Salvador, Honduras, Nicaragua, Dominican Republic, Guatemala, Taiwan, Saudi Arabia, Thailand 36L8879 Power Cord APU Countries 14F0032 Power Cord UK/HK/Singapore/United Arab Emirate (Dubai) Power Cord (Euro) France, Germany, Sweden, Norway, Netherlands, Finland,...
Page 120: Assembly 2: Diskette Drive, Hard Disk Drive
Assembly 2: Diskette Drive, Hard Disk Drive Asm-Index FRU Number Description 10K2059 10GB HDD, 3.5" 19K3299 15GB HDD, 3.5" 19K3355 20GB HDD, 3.5" 19K1561 30GB HDD, 3.5" 5400 RPM, ATA66 24P6001 10GB HDD, 3.5", 5400 RPM, ATA 100 , 20GB/Platter 24P6003 20GB HDD, 3.5", 5400 RPM, ATA 100 , 20GB/Platter 24P6004...
Page 121: Assembly 3: Cd-Rom, Modem Card
Assembly 3: CD-ROM, Modem Card Asm-Index FRU Number Description 19K3643 48X CD-ROM, Black Bezel 22P2448 8X4X32X CD-RW, Black Bezel 19K3413 4X4X32X CD-RW, Black Bezel 19K3358 CD-ROM Cable CD-ROM Audio Cable 09N5406 (for MSI board) 19K3580 CD-ROM Audio 'Y' Cable 22P2404 12X-40X DVD-ROM, Black Bezel 19K3350 8X-40X DVD-ROM, Black Bezel...
Page 122 60H6045 Modem Phone Cable Adapter, Austria 60H6046 Modem Phone Cable Adapter, Belgium 60H6047 Modem Phone Cable Adapter, Denmark 60H6048 Modem Phone Cable Adapter, Norway/Finland 60H6049 Modem Phone Cable Adapter, France 60H6050 Modem Phone Cable Adapter, Germany 60H6051 Modem Phone Cable Adapter, UK/Northern Ireland 60H6052 Modem Phone Cable Adapter, Italy 60H6053...
Page 123: Assembly 4: Keyboard And Mouse
Assembly 4: Keyboard and Mouse Asm-Index FRU Number Description 10L6149 Logitech Badger (2 Button), Black 28L1868 Scroll Point II, Black 104 PALM REST 37L2551 US ENG 103P US/China/ANZ/Singapore 37L0913 105 PALM REST FR CANADIAN 058, Commercial 37L2553 105 PALM REST LA SPANISH 171 37L2555 105 PALM REST ARABIC 253 37L2556...
Page 124 37L2570 105 PALM REST, EURO POLISH 214 37L2571 105 PALM REST, EURO PORTUGUESE 163 37L2572 105 PALM REST, ROMANIAN 446 37L2573 104 PALM REST, RUSSIAN 443 37L2574 105 PALM REST, EURO SERBIAN/CYR 118 37L2575 105 PALM REST, EURO SLOVIC 245 37L2576 105 PALM REST, EURO SPANISH 172 37L2577...
Page 125 37L2629 105 SWISS 150, EURO 37L2630 105 UK ENGLISH 166, EURO 37L2634 105 BELGIUM FRENCH 120, EURO 22P2313 External Speaker Set, Active, Cyber Acoustics, Tier 4, Black Speaker Power Adapter, US, LA (Lo Volt), Canada, Mexico, Peru, Colombia, Ecuador, Venezuela, Bolivia, Panama, El Salvador, Honduras, 10K2587 Nicaragua, Dominican Republic, Guatemala, Taiwan, Saudi Arabia, Thailand, Used with Cyber Acoustics/Tier 1 speakers...
Page 126: Parts Catalog Of Machine Types 6266
Parts Catalog of Machine Types 6266 and 6286 Assembly 1: System Unit Asm-Index FRU Number Description 31P5472 MSI-6188 810E 31P5464 MSI-6188 810E w/2 Serial Ports 22P2265 INTEL Celeron 566MHz 66FSB 19K3386 INTEL Celeron 600MHz 66FSB 22P2266 INTEL Celeron 633MHz 66FSB 22P2269 INTEL Celeron 667MHz 66FSB 22P2423...
Page 127 36L9015 Power Cord Japan 31P5607 Top Cover, SFF 58P9863 Top Cover, Black Main Bezel, Includes FDD Cover and CD-ROM Blank, White, SFF, NetVista 22P2273 (new style) 22P2278 Main (Bezel) Panel, NetVista, White 22P2314 Main Bezel includes FDD Cover and CD-ROM Blank, SFF, NetVista, Black...
Page 128: Assembly 2: Diskette Drive, Hard Disk Drive
Assembly 2: Diskette Drive, Hard Disk Drive Asm-Index FRU Number Description 10K2059 10 GB Hard Disk Drive, 3.5” 24P6001 10GB Hard Disk Drive, 3.5", 5400 RPM, ATA 100, 20GB/Platter 19K3355 20GB Hard Disk Drive, 3.5" 24P6003 20GB Hard Disk Drove, 3.5", 5400 RPM, ATA 100, 20GB/Platter 36L9130 3.5”, Diskette Drive 19K3341...
Page 129: Assembly 3: Cd-Rom, Modem Card
Assembly 3: CD-ROM, Modem Card Asm-Index FRU Number Description 19K3360 40X CD-ROM, White Bezel 19K3300 48X CD-ROM Drive, White 19K3643 48X CD-ROM Drive, Black 19K3342 CD-ROM Cable CD-ROM Audio Cable 09N5406 (for MSI board)
Page 130: Assembly 4: Keyboard And Mouse
Assembly 4: Keyboard and Mouse Asm-Index FRU Number Description 10L6145 Mouse, Badger 10L6149 2-Button Mouse, Black 104 PALM REST 37L2514 US ENG 103P US/CHINA/ANZ/Singapore 105 PALM REST 37L0912 FR CANADIAN 058(Commercial) 37L2516 105 PALM REST, LA SPANISH 171 37L2518 105 PALM REST, ARABIC 275 37L2519 105 PALM REST, EURO BELGIUM/FR 120 37L2520...
Page 131 37L2535 105 PALM REST, ROMANIAN 446 37L2536 104 PALM REST, RUSSIAN 443 37L2537 105 PALM REST, SERBIAN/CYR 118 37L2538 105 PALM REST, SLOVIC 245 37L2539 105 PALM REST, EURO SPANISH 145 37L2540 105 PALM REST, EURO SWED/FINN 153 37L2541 105 PALM REST, EURO SWISS 150 37L2542 105 PALM REST, TURKISH 179 37L2543...
Page 132: Appendix A. Online Support Information
Appendix A. Online Support Information This section describes online technical support services available to help repair the computer. This section covers: IBM PC Company Fax-Back Service IBM useful sites on the World Wide Web (WWW) IBM Online Assistant Discussion Forums The IBM PC Company offers online resources including several Internet World Wide Web sites, the IBM Online HelpCenter support areas, and a Fax-Back service.
Page 133 Index Adapter Cards Connector Signals, 114 Installing, 82 Removing, 82 Audio Check Procedure, 62 Joystick, 29, 75 Error Symptoms, 56 Error Symptoms, 57 Keyboard, 64 Beeps 46, 50, 82 Check Procedure, 64 BIOS Error Symptoms, 57 Flash (BIOS/VPD) Keyboard Port update procedure, 34 Port Signals, 111 BIOS Setup Utility,34...
Page 134 Real-Time Clock Error Symptoms 56 Repair Information, 77 Removals and Replacements, 78, 89 Adapter Cards, 82, 92 CD-ROM Drive, 84, 94 Diskette Drive, 83, 93 Hard Disk Drive, 85, 95 System Board, 86, 96 Top Cover, 81, 91 Safety Inspection Guide, 115 Serial Port, 29, 32, 38 Error Symptoms, 57 Port Signals, 111...
Page 135 Printed in U.S.A. International Business Machines Corporation Old Orchard Road, Armonk, New York 10504 Part Number: 06P1789 Pub Number: S06P-1789-01 1/01...

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