Chapter 4
"DIAGNOSTIC Procedures" describes the use and function of the'
COMPAQ DIAGNOSTIC Program Version 3.
The text provides a detailed
description of the various diagnostic routines and how to execute
them.
Chapter 5
"Error Messages and Codes" lists and describes the Power On Self
Test (POST) and DIAGNOSTICS Error Codes.
It also provides required
action for resolving each problem described by the corresponding
error code.
Chapter 6
"Illustrated Parts Catalog" contains illustrated parts breakdowns,
order numbers, and part names for the COMPAQ Portable, the COMPAQ
PLUS, and the COMPAQ PORTABLE 286 Personal Computers.
Chapter 7
"Removal and Replacement Procedures" describes how to remove and
replace subassemblies for the COMPAQ Portable, the COMPAQ PLUS, and
the COMPAQ PORTABLE 286 Personal Computers.
Chapter 8
"Jumper Settings, Switch Settings, and Adjustments" provides
detailed information for setting jumpers and switches.
It also
provides instructions for adjusting the video display unit and the
diskette drive speed.
Required Tools and Supplies
To service the COMPAQ Portable, COMPAQ PLUS, and COMPAQ PORTABLE 286 Personal
Computers, you need:
o
1/4 inch slotted blade screwdriver (COMPAQ Portable and COMPAQ PLUS
Personal Computers only)
o
COMPAQ DIAGNOSTICS Diskette Version 3 (PN 102971-001 *)
o
Formatted Scratch Diskette(s)
o
Printer loopback plug 25 pin (PN 100755-001)
o
Serial loopback plug 25 pin (PN 100754-001)
o
9 pin serial loopback plug (PN 102999-001)
o
Torx T-15 screwdriver
o
Torx T-10 screwdriver
o
1/4 inch nut driver
o
No. 2 Phillips screwdriver
o
5/16 inch Box end wrench
Optional Tools are:
o
Digital voltmeter
o
Memory chip (integrated circuit) insertion tool
o
Memory chip (integrated circuit) removal tool