Compaq LTE Elite - Page 156

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17. Carefully tilt the system board up [1] and unplug the LED cable

assembly from the connector on the bottom side of the system board [2]

(Figure 4-48).

Main Page

Using this Guide2
Symbols and Conventions2
Warning3
Product Overview4
Serial Number4
System Overview5
Product View6
Models and Features7
Controls and Leds9
Controls and Leds Overview10
Trackball11
Display Switch11
Connectors11
AC Power Connector12
Automobile Adapter Connector12
I/O Connectors12
Serial Connector13
198-Pin External Options Connector13
Access Door for Automobile Adapter Connector13
PCMCIA Connector14
Functional Descriptions14
External Monitor Connector14
Keyboard/Mouse Connector14
System Board15
DC-To-DC Power Supply16
Processor Board17
Temperature Sensors18
Power Interface Board (PIB)18
Memory Expansion Board19
Internal AC Power Supply20
Fan21
Keyboard21
Battery Pack22
Auxiliary Battery22
Diskette Drive23
Hard Drive24
Display Assembly25
PCMCIA Slot26
Running Computer Setup27
Docking Options27
Reprogrammable Flash ROM28
Power Management28
Advanced Power Management (APM)28
Power Conservation Default Settings29
Standby30
Hibernation31
Battery Operating Time31
Kensington Cable Lock32
Security32
Troubleshooting33
Preliminary Steps33
Clearing the Power-On Password34
If the Password Is Unknown34
Power-On Self-Test (POST)36
Power-On Self-Test Messages37
Computer Checkup (Test)42
Computer Checkup (TEST) Error Codes44
Processor Computer Checkup Error Codes44
Memory Computer Checkup Error Codes45
Keyboard Computer Checkup Error Codes45
Parallel Printer Computer Checkup Error Codes46
Diskette Drive Computer Checkup Error Codes46
Serial Computer Checkup Error Codes47
Modem Communications Computer Checkup Error Codes47
Hard Drive Computer Checkup Error Codes48
Tape Drive Computer Checkup Error Codes49
Video Computer Checkup Error Codes49
Network Controller Computer Checkup Error Codes51
Audio Computer Checkup Error Codes51
SCSI Computer Checkup Error Codes53
SCSI Computer Checkup Error Codes - SCSI Device Names54
SCSI Computer Checkup Error Codes - SCSI Test Names54
SCSI Computer Checkup Error Codes - SCSI Test Error Codes54
Troubleshooting Without Error Messages56
Pointing Device Interface Computer Checkup Error Codes56
Before Replacing Parts57
Battery Problems57
Battery Gauge Problems59
Diskette/Diskette Drive Problems60
Display Problems60
External Device Installation Problems65
Hard Drive Problems66
Keyboard/Numeric Keypad Problems66
Memory Problems67
Solving Network Problems67
Network Adapter Patch68
Network Problems69
PCMCIA Problems70
Power Problems72
Software Application Problems76
Sound Problems77
Standby Problems77
System Booting Problems77
Trackball/Mouse Problems78
Illustrated Parts Catalog81
System Unit Enclosures81
Boards82
Model Specific Display Parts83
Mass Storage Devices86
Batteries86
Cables and Connectors87
Keyboards89
Latches Kit90
Doors Kit90
Miscellaneous Plastics Kit90
Miscellaneous Small Mechanical Parts Kit90
Screws and Fasteners Kit91
Tools93
Options and Accessories94
Compaq Ministation Convenience Bases95
Compaq Ministation96
Software Diskettes97
Documentation97
Shipping Box98
Removal and Replacement Procedures99
Removing a Cable from a ZIF Connector100
Required Tools and Software101
Removal and Replacement List101
Preparation Procedures for Removal and Replacement102
Removing the Battery Pack103
Removing the Memory Expansion Board104
Replacing the Battery Pack104
Installing the Memory Expansion Board106
Keyboard Cover107
Auxiliary Battery Removal109
Display Assembly110
Removing the Display Assembly111
Display Panel Removal116
Inverter Board120
Trackball Board122
Display Cable123
Display Latches124
Display Clutches125
Display Enclosure126
Removing the Keyboard127
Replacing the Keyboard129
Diskette Drive and Cable130
Removing the Hard Drive132
Replacing the Hard Drive135
Installing the Compaq Diagnostics Utilities on a New Hard Drive136
Hard Drive Security Clips136
Hard Drive Lock Label137
Preparing to Release the Keyboard138
Releasing the Keyboard139
Laying the Keyboard on the Display140
Removing the Hard Drive Security Clips141
Processor Board141
Removing the Processor Board142
Replacing the Processor Board143
Power Interface Board (PIB) Removal144
PCMCIA Ejector Rails145
Internal AC Power Supply Removal148
System Board and Input/Output (I/O) Bracket152
LED Cable Assembly158
Computer Base Enclosure Removal162
PCMCIA Compartment Door Removal163
Replacing the PCMCIA Compartment Door164
Battery Pack/Hard Drive Release Latch Assemblies166
Removing the Release Latch Assembly167
Replacing the Release Latch Assembly168
Specifications170
Computer Model Specifications170
Physial and Environmental Specifications170
Memory Expansion Specifications171
Display Specifications172
Diskete Drive Specifications175
Diskette Drive175
Hard Drive Specifications176
Internal AC-TO-DC Power Supply Specifications177
DC-TO-DC Power Supply Specifications177
Battery Pack Specifications178
Compaq Smartstation Product Overview179
Compaq Smartstation Serial Number179
Compaq Smartstation Features181
External Switches, Sensors, and LEDS183
Power Switch183
LED Functions184
PCMCIA Card Sensor (Emitter and Receiver)184
Computer Status Sensor184
Eject Switch184
Connectors (Smartstation)185
A/B and C/D Drive Selection Switches185
External I/O Connectors186
Compaq Smartstation Functional Descriptions187
Internal Drive Connectors187
SCSI-2 Controller189
Ethernet Controller189
Motor Position Sensor189
Computer-Present Sensor189
The Battery Charger190
Power Supply190
Main Expansion Base Circuit191
Vbatt1 Circuits192
Power-Up Sequencing192
Docking Mechanism192
Vertical Circuit Board194
Configuration Switches195
ISA Expansion Board Cage195
Drive Cages/Drive Bays196
Drive Cables197
Power Switch Cable Harness198
Eject Switch Cable Harness198
Keylock Switch199
Keylock Assembly and Override Blocker200
Horizontal Guides201
Running Computer Setup from a Compaq LTE Elite202
Running Computer Setup from a Compaq LTE Lite203
Compaq Smartstation Troubleshooting205
Battery Charging Problems206
Troubleshooting Tables206
Docking/Undocking Problems (Docking)208
Docking/Undocking Problems (Undocking)214
Manual Undocking (Manual Eject Override) Problems220
Enclosure Alignment Problems221
Hardware Installation Problems222
LED Problems223
Power Problems (Smartstation)224
SCSI Problems226
EXTDISK.SYS Error Messages227
Compaq Smartstation Illustrated Parts Catalog229
Enclosures229
Power Supply (Smartstation)230
Battery Charger231
Boards (Smartstation)231
Switches, Sensors, and Cables232
Docking Mechanism (Smartstation)234
Keylock Assembly235
Miscellaneous Small Mechanical Parts (Smartstation)236
Screws and Fasteners Kit (Smartstation)236
Compaq Smartstation Options and Accessories239
Documentation (Smartstation)240
Compaq Smartstation Removal and Replacement Procedures241
Compaq Smartstation Removal and Replacement List242
Tools Required242
Table of Contents243
Battery Pack Removal and Replacement243
Preparation Procedures for Removal and Replacement (Smartstation)243
Bottom Cover Removal and Replacement244
Keylock Assembly Removal and Replacement247
Expansion Boards Removal and Replacement250
Expansion Board Cage Removal and Replacement253
Vertical Circuit Board Removal and Replacement255
Power Supply and Bezel Removal and Replacement256
Docking Mechansim Removal and Replacement260
System Board and Battery Charging Compartment Removal and Replacement263
Battery Contacts Board Removal and Replacement270
Drives Removal and Replacement271
Drive Cables Data276
Replacing the Drive Cage277
Cable Harnesses and PCMCIA Card Sensor Removal and Replacement281
Power and Eject Switch Components295
Horizontal Guides and Springs298
Top Cover310
- Compaq Smartstation Specifications312
- Physical and Enviromental Data312
- Compaq Ethernet 16E Controller Specifications313
- IEEE 802.3 Ethernet Standards314
- SCSI-2 Controller Specifications314
- Connector Pin Assignments315
- Serial Connector Pin Assignments316
- External Monitor Connector Pin Assignments317
- Keyboard/Mouse Connector Pin Assignments318
- Compaq LTE Elite Numeric Keypad Connector Pin Assignments319
- Compaq LTE Elite 198-Pin External Options Connector Pin Assignments320
- Compaq Smartstation 198-Pin External Options Connector Pin Assignments323
- Compaq LTE Elite Internal AC Power Supply Output Connector Pins325
- Compaq Smartstation Power Supply Output Connector Pin Assignments326
- Compaq Smartstation External SCSI-2 Connector Pin Assignments327
- Compaq Smartstation Internal SCSI-2 Connector Pin Assignments328
- Compaq Smartstation Ethernet AUI Connector Pin Assignments329
- Compaq Smartstation Ethernet RJ-45 Connector Pin Assignments330
- Compaq Smartstation Drive Power Connector Pin Assignments331
- Compaq Smartstation IDE Hard Drive Signal Connector Pin Assignments332
- Compaq Smartstation Tape/Diskette Drive Signal Connector Pins333
- Increasing Battery Pack Operating Time334
- Ensuring Battery Gauge Accuracy335
- Conditioning a Battery Pack336
- Disposal of a Used Battery Pack337
- Configuring the System for Optional Drives in Smartstation338
- Configuring an IDE Hard Drive338
- Setting the Configuration Switches340
- Changing Logical Drive Designations342
- Installing EXTDISK.SYS on the Compaq LTE Lite343
- Docking and Undocking345
- Docking in the Compaq Smartstation345
- Docking Capabilities of Compaq LTE Elite with Compaq Smartstation346
- Docking the Compaq LTE Elite347
- Undocking Capabilities of Compaq LTE Elite with Compaq Smartstation351
- Undocking the Compaq LTE Elite351
- Connecting the Smartstation Adapter354
- Using Diskettes Included with the Smartstation Adapter355
- Docking the Compaq LTE Lite356
- Undocking the Compaq LTE Lite358
- Using the Manual Eject Override359
- Docking Compaq LTE ELITE in the Compaq LTE Lite Desktop Expansion Base361
- Docking the Compaq LTE ELITE in the Compaq Ministation367
- Electrostatic Discharge374
- Preventing Electrostatic Damage to Equipment374
- Generating Static374
- Typical Electrostatic Voltages374
- Grounding Methods375
- Preventing Damage to Drives375
- Grounding Equipment376
- Connecting and Configuring Optional SCSI-2 Devices378
- SCSI-2 General Guidelines378
- Sample SCSI-2 Configuration379
- Changing the SCSI-2 Ddefault Configuration380
- SCSI Default Configuration380
- Installing an Internal SCSI-2 Drive381
- Hardware Configuration381
- Connecting an External SCSI-2 Device383
- Installing SCSI-2 Drivers383
- Cleaning the Trackball Assembly385
- Removing the Ball385
- Replacing the Ball386

Compaq LTE Elite - Page 156

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