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3.3.1 System-Board Memory

The system has at least 2MB of memory installed at the time of shipment.

Additional memory-module kits can be installed in the second and third

memory-module connectors on the system board. The maximum system board

memory capacity is 16MB, in any combination of 1, 2, 4, or 8MB

memory-module kits.

IBM PS/2 Model 35 SX, 35 LS, 35 SLC HMR

System-Board Memory

¦ Copyright IBM Corp. 1991, 1992

3.3.1 - 1

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Содержание PS/2 35 SX

Страница 1: ...PICTURE 1 IBM PS 2 Models 35SX and 35LS Hardware Maintenance Reference March 17 1992 Part Number 10G6620 Form Number S84F 9845 02 IBM PS 2 Model 35 SX 35 LS 35 SLC HMR Copyright IBM Corp 1991 1992 FR...

Страница 2: ...oduct 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...

Страница 3: ...r service Evaluation and verification of operation in conjunction with other products programs or services except those expressly designated by IBM are the user s responsibility IBM may have patents o...

Страница 4: ...pecial Tools 6 0 Removals and Replacements 6 1 1005 Cover 6 2 1010 Adapters 6 3 1015 Bus Adapter 6 4 1020 Hard Disk Drive 6 5 1025 Diskette Drive and Second Drive Bezel 6 6 1030 Cover Lock Assembly 6...

Страница 5: ...4 Bus Adapter with three 16 bit expansion slots Serial port Parallel port Diskette drive connector Keyboard connector Pointing device connector Display connector for 16 bit video graphics array VGA c...

Страница 6: ...1 1 Security Subtopics 1 1 1 Cover Lock 1 1 2 Power On Password 1 1 3 Bolt Down Capability IBM PS 2 Model 35 SX 35 LS 35 SLC HMR Security Copyright IBM Corp 1991 1992 1 1 1...

Страница 7: ...ked with the user s 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 pamphlet The new cover lock assembly...

Страница 8: ...it so that it covers the second and third pins If the jumper covers the second and third pins move it so that it covers the first and second pins Note Once you have moved the jumper to the new positio...

Страница 9: ...pability The bolt down feature allows the computer to be attached to a table or desk See page 7 2 for the bolt down holes IBM PS 2 Model 35 SX 35 LS 35 SLC HMR Bolt Down Capability Copyright IBM Corp...

Страница 10: ...ard connector Diskette drive controller Pointing device mouse connector Subtopics 1 2 1 Microprocessor 1 2 2 CMOS RAM 1 2 3 ROM BIOS 1 2 4 16 bit VGA Graphics Controller 1 2 5 Serial Port 1 2 6 Parall...

Страница 11: ...ble microprocessor with 8KB of internal cache memory Both microprocessors have a 32 bit internal bus with a 16 bit external data bus and a 24 bit external address bus Both operate in two modes real ad...

Страница 12: ...CMOS RAM 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 by using the Starter Diskette to allow th...

Страница 13: ...her major input output devices in the system Some adapters have their own ROM modules containing extended BIOS routines that work with the system board ROM BIOS The routines for performing the power o...

Страница 14: ...A graphics mode The controller supports a maximum of 720 x 400 picture elements PELs in the text mode and a maximum of 640 x 480 PELs in graphics mode The 16 bit VGA graphics controller can support up...

Страница 15: ...ation as either Serial 1 primary or Serial 2 alternate If an option adapter with a serial port is installed in the system it should be set to Serial 2 Note Conflicts occur when using multiple communic...

Страница 16: ...shell connector and is designed primarily for printers However the port can be used as a general input output port for any device or application that matches its input output capabilities The connect...

Страница 17: ...kette drive s through a single 40 pin connector on the system board Signals and voltages are supplied through the diskette drive cable that plugs into the connector IBM PS 2 Model 35 SX 35 LS 35 SLC H...

Страница 18: ...mouse The keyboard connector is marked with a small keyboard figure molded into the back panel the unmarked connector is for the pointing device The interface logic does not allow the keyboard and th...

Страница 19: ...ity Subtopics 2 1 Incompatible Adapters 2 2 Hard Disk and Diskette Drives 2 3 Terminators 2 4 Drive and Diskette Compatibility IBM PS 2 Model 35 SX 35 LS 35 SLC HMR Option Compatibility Copyright IBM...

Страница 20: ...he system when adapters share the same interrupt level Check the adapter interrupt levels to ensure that they do not conflict If the adapters have selectable interrupt levels verify that the jumpers o...

Страница 21: ...and hard disk drive interface must be the same The Model 35 computers support one 1 2MB 5 25 inch diskette drive in the lower bay or one or two 3 5 inch diskette drives The 3 5 inch diskette drive mus...

Страница 22: ...2 3 Terminators Terminators are not required for the drives used in the Model 35 computers IBM PS 2 Model 35 SX 35 LS 35 SLC HMR Terminators Copyright IBM Corp 1991 1992 2 3 1...

Страница 23: ...MB Not Compatible Not Compatible Read Write The following provides information concerning the identification of 5 25 inch diskettes drives Diskette Identifying Drive Mark 5 25 Inch 360KB Asterisk on B...

Страница 24: ...occur from the time the system is powered on until the minimum operating requirements have been met Subtopics 3 1 Power Supply 3 2 Power On Self Test POST 3 3 System Memory IBM PS 2 Model 35 SX 35 LS...

Страница 25: ...r good signal that resets the system logic The presence of the power good signal indicates that the power supply is operating properly The power good signal turns on the green power good light on the...

Страница 26: ...would be a serial communications failure If the POST detects a noncritical error all testing stops and the microprocessor attempts to display the error Pressing F1 allows testing to continue When the...

Страница 27: ...3 System Memory Subtopics 3 3 1 System Board Memory 3 3 2 Memory Requirements and Limitations 3 3 3 Memory Errors IBM PS 2 Model 35 SX 35 LS 35 SLC HMR System Memory Copyright IBM Corp 1991 1992 3 3...

Страница 28: ...al memory module kits can be installed in the second and third memory module connectors on the system board The maximum system board memory capacity is 16MB in any combination of 1 2 4 or 8MB memory m...

Страница 29: ...Limitations When memory is added or removed from the system run the set configuration program on the Starter Diskette IBM PS 2 Model 35 SX 35 LS 35 SLC HMR Memory Requirements and Limitations Copyrig...

Страница 30: ...module kits and in 4MB blocks for 4MB and 8MB memory module kits If the POST detects a memory error in the first 1MB of system board memory the entire 1MB of memory is deactivated and an error code is...

Страница 31: ...8 to 80 Maximum altitude 2134 m 7000 ft Heat Output 403 British Thermal Units BTUs per hour 118 watts maximum Electrical Input Voltage Sinewave input is required Low Range Minimum 100 V ac Maximum 12...

Страница 32: ...o the Triplett Model 310 1 Wrap Plug The Tri Connector wrap plug IBM part 72X8546 is used during advanced diagnostic tests of serial and parallel ports PICTURE 2 1 Manufactured by Triplett Corporation...

Страница 33: ...nformation CAUTION Before removing any FRU power off the system unplug all power cords from electrical outlets and disconnect any interconnecting cables Warning The system board adapters memory module...

Страница 34: ...ets and disconnect any interconnecting cables 1 Turn the cover lock key to the unlock position 2 Loosen the cover screw by turning it counterclockwise 3 Remove the system unit by sliding it out of the...

Страница 35: ...ot as the adapter that was removed Stored configuration information depends on the location of the adapter If the replacement adapter is installed in a different location run the set configuration pro...

Страница 36: ...6 3 1015 Bus Adapter Cover 1005 Adapters 1010 PICTURE 6 PICTURE 7 IBM PS 2 Model 35 SX 35 LS 35 SLC HMR 1015 Bus Adapter Copyright IBM Corp 1991 1992 6 3 1...

Страница 37: ...in permanent loss of all data and formatting on the hard disk drive Have the user back up all information on the hard disk drive Cover 1005 Retainer Plate 1065 PICTURE 8 PICTURE 9 IBM PS 2 Model 35 SX...

Страница 38: ...e second drive bezel 1 Locate the two latches 1 at the right end of the cover plate 2 Press both latches to the left at the same time until the cover plate pops out PICTURE 12 PICTURE 13 Rear View IBM...

Страница 39: ...6 6 1030 Cover Lock Assembly Cover 1005 PICTURE 14 IBM PS 2 Model 35 SX 35 LS 35 SLC HMR 1030 Cover Lock Assembly Copyright IBM Corp 1991 1992 6 6 1...

Страница 40: ...dule use only Part No 8509237 Use of another module could result in ignition or explosion of the module Replacement modules can be ordered from IBM or IBM Authorized Dealers Warning Remove the clock m...

Страница 41: ...1005 Control Assembly 1060 Note Before replacing the power supply disconnect all power cables extending from the power supply PICTURE 16 IBM PS 2 Model 35 SX 35 LS 35 SLC HMR 1040 Power Supply Copyrig...

Страница 42: ...rostatic discharge prying between the module and connector or prying between the connector and system board Establish personal grounding by touching a ground point with one hand before touching the ma...

Страница 43: ...hen servicing the two side by side memory module kits remove the kit in connector 3 first the kit in connector 2 second and the kit in connector 1 last PICTURE 18 IBM PS 2 Model 35 SX 35 LS 35 SLC HMR...

Страница 44: ...hield 2 2 Disconnect all cables and remove screws 1 from the system board 3 Lift the system board to clear the locating pin then remove the system board 3 from the system unit 4 When a new system boar...

Страница 45: ...6 12 1060 Control Assembly Cover 1005 Retainer Plate 1065 PICTURE 20 PICTURE 21 IBM PS 2 Model 35 SX 35 LS 35 SLC HMR 1060 Control Assembly Copyright IBM Corp 1991 1992 6 12 1...

Страница 46: ...late latch 1 to the right side and pivot the retainer plate 2 to the front 2 Remove the retainer plate 2 by lifting and pulling it from the system unit PICTURE 22 PICTURE 23 IBM PS 2 Model 35 SX 35 LS...

Страница 47: ...6 14 1070 Adapter Guide Cover 1005 Adapters 1010 PICTURE 24 IBM PS 2 Model 35 SX 35 LS 35 SLC HMR 1070 Adapter Guide Copyright IBM Corp 1991 1992 6 14 1...

Страница 48: ...7 0 Locations Subtopics 7 1 Front View 7 2 Rear View 7 3 Interior View 7 4 System Board 7 5 Safety Label IBM PS 2 Model 35 SX 35 LS 35 SLC HMR Locations Copyright IBM Corp 1991 1992 7 0 1...

Страница 49: ...Diskette drive in use light 4 Diskette eject button 5 Hard disk drive bay 6 Hard disk drive in use light 7 Power good light 8 Power switch 9 Serial number PICTURE 25 IBM PS 2 Model 35 SX 35 LS 35 SLC...

Страница 50: ...tor 2 Display connector 3 Serial port 4 Cover screw 5 Parallel port 6 Keyboard connector 7 Pointing device connector 8 Bolt down holes PICTURE 26 IBM PS 2 Model 35 SX 35 LS 35 SLC HMR Rear View Copyri...

Страница 51: ...ply 2 Hard disk drive cable 3 Diskette drive cable 4 Diskette drive 5 Bus adapter 6 Hard disk drive 7 Adapter guide 8 System board PICTURE 27 IBM PS 2 Model 35 SX 35 LS 35 SLC HMR Interior View Copyri...

Страница 52: ...ower supply connector P2 9 Power supply connector P1 10 Diskette drive connector 11 Hard disk drive connector 12 Password override connector J14 13 80387SX Math Coprocessor connector 14 Bus adapter co...

Страница 53: ...ollowing safety label is installed on the top of the power supply PICTURE 29 1 Danger label DANGER DO NOT OPEN DANGEROUS VOLTAGE INSIDE IBM PS 2 Model 35 SX 35 LS 35 SLC HMR Safety Label Copyright IBM...

Страница 54: ...8 0 Grounds 1 Chassis ground 2 Primary ground PICTURE 30 Notes IBM PS 2 Model 35 SX 35 LS 35 SLC HMR Grounds Copyright IBM Corp 1991 1992 8 0 1...

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