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8.6 Processor Board

Use the following information to locate the connectors and jumpers on the

various processor boards, and to identify the purpose of those connectors

and jumpers.

Note: The locations may vary slightly.

1 Processor connector (all boards).

2 Option Processor connector (25-MHz boards without Cache) is for a 487SX

processor with math capability.

3 Jumper (20-boards MHz). If a 487SX processor (labeled 487SX) is

installed, the jumper must be in positions 1 and 2. If a 487SX

processor is not installed, the jumper must be in positions 2 and 3.

Note: On the 20-MHz board, if a 487SX processor is installed, it is in

connector 1.

4 Cache connector (all boards that support Cache).

PICTURE 27

IBM PS/2 Model 90 XP 486 HMR

Processor Board

¦ Copyright IBM Corp. 1990, 1991

8.6 - 1

Содержание PS/2 90 XP 486

Страница 1: ...FRONT PICTURE 1 Part Number 04G3388 Form Number S14F 2249 02 October 22 1991 IBM PS 2 Model 90 XP 486 HMR Copyright IBM Corp 1990 1991 FRONT 1...

Страница 2: ...s and or the program s described in this publication at any time It is possible that this publication may contain reference to or information about IBM products machines and programs programming or s...

Страница 3: ...ograms or services except those expressly designated by IBM are the user s responsibility IBM may have patents or pending patent applications covering subject matter in this document The furnishing of...

Страница 4: ...4 0 Reference Diskette 4 1 Installing a New Version of the Reference Diskette 4 2 Making a Backup Copy of The System Partition 4 3 Diagnostic Programs and Information 5 0 Specifications 6 0 Special T...

Страница 5: ...MB 1 048 576 bytes random access memory RAM 64MB total system memory capacity Graphics array Extended graphics array XGA with 512KB expandable to 1MB Video graphics array VGA compatible Four expansio...

Страница 6: ...1 1 Security Subtopics 1 1 1 Cover Lock 1 1 2 Bolt down Capability 1 1 3 Power On Password IBM PS 2 Model 90 XP 486 HMR Security Copyright IBM Corp 1990 1991 1 1 1...

Страница 7: ...r can t be removed without the cover lock key If the keys for the cover lock are lost a new cover lock assembly can be ordered see the parts section in the Hardware Maintenance Service for the system...

Страница 8: ...erted from below the table or desk into the holes in the base of the system unit There are three holes 1 The distance between the two holes on the right side of the base is 165 mm 6 5 in Use 6 mm bolt...

Страница 9: ...n password power off the system and do the following 1 Locate connector J10 on the system board see System Board in topic 8 5 for connector location 2 Move the jumper on J10 so that it connects the ce...

Страница 10: ...rial ports 2 Parallel port Diskette drive controller Keyboard connector Pointing device connector Subtopics 1 2 1 Processor Board 1 2 2 CMOS RAM and CMOS RAM Extension 1 2 3 IML POST and BIOS 1 2 4 Gr...

Страница 11: ...the system clock the direct memory access DMA controller and the memory controller The system microprocessor is a 32 bit microprocessor that operates in the real address mode or in the virtual address...

Страница 12: ...n is kept active by the battery when the system is powered off If the stored data is lost due to a depleted or removed battery the data can be restored using one of the following methods If the user h...

Страница 13: ...is not affected when the drive is formatted using the operating system Format command Errors During POST If the POST detects a problem an eight digit error code is displayed Replacing the Default Hard...

Страница 14: ...mum of 256 colors or 64 shades of gray is supported in VGA mode Composite video is not supported The graphics array is in the XGA mode only when enabled by the DOS Adapter Interface or video device dr...

Страница 15: ...ector The connected device is identified by the system configuration as SERIAL 1 through SERIAL 8 Conflicts occur when two or more devices have the same address Select the Set configuration option fro...

Страница 16: ...tches the input output capabilities of the port When adapters with additional parallel ports are installed the system can support these devices each addressed separately as PARALLEL 1 PARALLEL 2 PARAL...

Страница 17: ...34 pin cable connector the connector on the system board is a 40 pin cable connector Signals and voltages are supplied through the diskette drive cable that plugs into the connector These signals and...

Страница 18: ...vice mouse The keyboard connector is marked on the back panel of the system unit with a small keyboard The pointing device connector is marked with a mouse symbol The interface logic is the same for b...

Страница 19: ...2B Yes No Type 1 57 Yes Yes Type 2 59 Yes Yes Type 2 Interleaved Memory An interleaved memory configuration requires matched pairs of memory module kits the size and the speed must be the same The ki...

Страница 20: ...s installed in an interleaved configuration the system will operate as described under Memory Type 1 systems however memory errors are handled differently If an error occurs in an interleaved memory c...

Страница 21: ...oard expansion slots with the matched memory extension 16 bit adapters 32 bit adapters without the matched memory extension 32 bit adapters with the matched memory extension The fourth 32 bit expansio...

Страница 22: ...ette 720KB 1 44MB Capacity Drive Drive 1 0MB Read Write Read Write 2 0MB Not Compatible Read Write For additional information on this subject see Diskette Drives and Diskettes in the IBM Personal Syst...

Страница 23: ...ted partition For information about the IML image see IML POST and BIOS in topic 1 2 3 For supported hard disk drives see the parts section in the Hardware Maintenance Service pamphlet for the system...

Страница 24: ...s removed SCSI Adapter Terminator requirements for the SCSI adapter vary depending on the configuration of the system and the type of card The location and appearance of the terminators may vary from...

Страница 25: ...describes the operations that occur from the time the system is powered on until the minimum operating requirements are met Subtopics 3 1 Power Supply IBM PS 2 Model 90 XP 486 HMR Operating Requireme...

Страница 26: ...ting voltages When the system is powered off for 8 seconds or more and then powered on the power supply generates a power good signal that resets system logic The presence of the power good signal tur...

Страница 27: ...required Note For more information see Processor Board and Reference Diskette Matrix in the Hardware Maintenance Service pamphlet Subtopics 4 1 Installing a New Version of the Reference Diskette 4 2 M...

Страница 28: ...T finishes press Ctrl Alt Del When the cursor moves to the top right corner of the screen press Ctrl Alt Ins 6 If you have a backup copy of the system partition continue with step 7 If you do not have...

Страница 29: ...tte drive and follow the instructions on the screen Note If you receive a message indicating that the diskette is full it means that the option files combined with the system programs on the system pa...

Страница 30: ...rs pamphlet for information on the following System Programs Selectable Startup Function POST Advanced Diagnostic Programs Presence Test Installed Devices List System Checkout Error Log Formatting IBM...

Страница 31: ...80 Power off 8 to 80 Maximum altitude 2134 m 7000 ft Heat Output 1023 British Thermal Units BTUs per hour 300 watts Electrical Input voltage sinewave input is required Low Range Minimum 90 V ac Maxim...

Страница 32: ...deo memory modules on the system board See Video Memory on page 7 14 for information on how to install video memory PICTURE 5 Video Memory Removal Tool The video memory removal tool is used to remove...

Страница 33: ...FRU power off the system unplug all power cords from electrical outlets and disconnect any interconnecting cables Warning The system board adapters memory modules and the processor can be damaged by...

Страница 34: ...7 1 1005 Cover PICTURE 8 IBM PS 2 Model 90 XP 486 HMR 1005 Cover Copyright IBM Corp 1990 1991 7 1 1...

Страница 35: ...7 2 1010 Cover Lock Cover 1005 PICTURE 9 IBM PS 2 Model 90 XP 486 HMR 1010 Cover Lock Copyright IBM Corp 1990 1991 7 2 1...

Страница 36: ...7 3 1015 Fan Air Baffle Cover 1005 Disconnect any cables necessary for removal PICTURE 10 IBM PS 2 Model 90 XP 486 HMR 1015 Fan Air Baffle Copyright IBM Corp 1990 1991 7 3 1...

Страница 37: ...4 1020 Power Switch Speaker Assembly Cover 1005 Disconnect any cables necessary for removal PICTURE 11 IBM PS 2 Model 90 XP 486 HMR 1020 Power Switch Speaker Assembly Copyright IBM Corp 1990 1991 7 4...

Страница 38: ...removal Warning When you reinstall the drive you must reinstall the clip on the diskette drive cable Note Drives not designed for the Model 90 might cause intermittent problems PICTURE 12 IBM PS 2 Mod...

Страница 39: ...hard disk drive Cover 1005 Disconnect any cables necessary for removal Notes 1 The last drive in the chain requires a terminator 2 See Internal Cables on page 8 4 for cable information 3 Load the IML...

Страница 40: ...er or processor board note the slot location Install the replacement FRU into the same slot Stored configuration information depends on the location of the adapter If you must install the replacement...

Страница 41: ...ll edges until the processor raises up When you reinstall the processor align the beveled corner 1 with the beveled corner marked on the board PICTURE 15 On the 20 MHz board left the jumper 2 must be...

Страница 42: ...7 9 1045 Memory Riser Card Bracket Cover 1005 Disconnect any cables necessary for removal PICTURE 16 IBM PS 2 Model 90 XP 486 HMR 1045 Memory Riser Card Bracket Copyright IBM Corp 1990 1991 7 9 1...

Страница 43: ...a ground point with one hand before handling this FRU Note When you add or remove memory run the set configuration program from the hard disk drive Cover 1005 Memory riser card bracket 1045 Disconnect...

Страница 44: ...11 1055 Power Supply Cover 1005 Memory riser card bracket 1045 Disconnect any cables necessary for removal PICTURE 18 IBM PS 2 Model 90 XP 486 HMR 1055 Power Supply Copyright IBM Corp 1990 1991 7 11...

Страница 45: ...rdinances or regulations When replacing the battery use only Part No 33F8354 Use of another battery could result in ignition or explosion of the battery Replacement batteries can be ordered from IBM o...

Страница 46: ...disk drives 1030 Disconnect any cables necessary for removal Note When a new system board is installed run the restore configuration program from the hard disk drive to restore time date and any uniqu...

Страница 47: ...ith the video memory kit over the video memory socket 2 With the beveled corner 2 facing the rear of the system carefully align the pins of the memory module with the openings in the socket and firmly...

Страница 48: ...0 Locations Subtopics 8 1 Front View 8 2 Rear View 8 3 Interior View 8 4 Internal Cables 8 5 System Board 8 6 Processor Board IBM PS 2 Model 90 XP 486 HMR Locations Copyright IBM Corp 1990 1991 8 0 1...

Страница 49: ...drive in use light 3 Power good light 4 Diskette drive in use light 5 Diskette drive Bay A 6 Diskette eject button 7 Bay B 8 Serial number 9 Bay D 10 Bay C PICTURE 22 IBM PS 2 Model 90 XP 486 HMR Fron...

Страница 50: ...ctor 3 Pointing device connector 4 Parallel port 5 Serial port 9 pin 6 Cover lock 7 Serial port 25 pin 8 Video port 9 Expansion slots 10 SCSI Terminator 11 Cover screws PICTURE 23 IBM PS 2 Model 90 XP...

Страница 51: ...ply system board cable connector P2 8 Power supply system board cable connector P1 9 Power supply cable connectors P3 and P4 10 SCSI internal cable 11 Memory riser card 12 Bay B 13 Bay D 14 Bay C 15 B...

Страница 52: ...ces 1 Power supply 2 Power supply cables 3 SCSI internal cable 4 Hard disk drive power cable 5 Hard disk drive 6 Diskette drive 7 Diskette drive cable 8 Fan cable 9 Power switch speaker cable 10 SCSI...

Страница 53: ...ard slot J8 6 Memory riser card slot J11 7 Memory riser card slot J14 8 Video memory connectors 9 Diskette drive cable connector J15 10 Power supply connector J25 11 Power supply connector J26 12 Powe...

Страница 54: ...MHz boards without Cache is for a 487SX processor with math capability 3 Jumper 20 boards MHz If a 487SX processor labeled 487SX is installed the jumper must be in positions 1 and 2 If a 487SX proces...

Страница 55: ...9 0 Grounds 1 Screws 2 Expansion slot screws 3 Chassis ground 4 Safety ground PICTURE 28 IBM PS 2 Model 90 XP 486 HMR Grounds Copyright IBM Corp 1990 1991 9 0 1...

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