HP Portable 486 Compaq Portable 486c Personal Computer Maintenance and Service - Page 57

Tool and Software Requirements, Disassembly/Assembly Sequence Chart

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o Conductive foam o Conductive table top workstations with ground cord of 1 megohm resistance o Static dissipating table or floor mats with hard tie to ground o Field service kits o Static awareness labels o Wrist straps and footwear straps providing 1 megohm ñ 10% resistance o Material handling packages - Conductive plastic bags - Conductive plastic tubes - Conductive tote boxes - Metal tote boxes - Opaque shielding bags - Transparent metallized shielding bag - Transparent shielding tubes Chapter 5.2 Tool and Software Requirements To service the COMPAQ PORTABLE 486c Personal Computer, you need the following: o Case utility tool o Flathead screwdriver o Modem terminating plug o Nonconductive probe o ROM removal tool o Torx screwdrivers, sizes T-10 and T-15 o 9 pin serial interface loopback plug o 25 pin parallel interface loopback plug Chapter 5.3 Disassembly/Assembly Sequence Chart Use the following chart as a reference along with the procedures in this chapter for removing and replacing the subassemblies of the COMPAQ PORTABLE 486c Personal Computer. 5.4 PREPARATION PROCEDURES | 5.5 |-- KEYBOARD | 5.6 |-- REAR PANEL || 5.7 | |-- OPTIONS COVER || 5.8 | |-- STANDARD BOARDS | | |-- Video Board | | |-- Processor Board | | |-- System ROM

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o Conductive foam
o Conductive table top workstations with ground cord of 1 megohm resistance
o Static dissipating table or floor mats with hard tie to ground
o Field service kits
o Static awareness labels
o Wrist straps and footwear straps providing 1 megohm ñ 10% resistance
o Material handling packages
- Conductive plastic bags
- Conductive plastic tubes
- Conductive tote boxes
- Metal tote boxes
- Opaque shielding bags
- Transparent metallized shielding bag
- Transparent shielding tubes
Chapter 5.2 Tool and Software Requirements
To service the COMPAQ PORTABLE 486c Personal Computer, you need the
following:
o Case utility tool
o Flathead screwdriver
o Modem terminating plug
o Nonconductive probe
o ROM removal tool
o Torx screwdrivers, sizes T-10 and T-15
o 9 pin serial interface loopback plug
o 25 pin parallel interface loopback plug
Chapter 5.3 Disassembly/Assembly Sequence Chart
Use the following chart as a reference along with the procedures in this
chapter for removing and replacing the subassemblies of the COMPAQ PORTABLE
486c Personal Computer.
5.4
PREPARATION PROCEDURES
|
5.5
|-- KEYBOARD
|
5.6
|-- REAR PANEL
|
|
5.7
|
|-- OPTIONS COVER
|
|
5.8
|
|-- STANDARD BOARDS
|
|
|-- Video Board
|
|
|-- Processor Board
|
|
|-- System ROM