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Compaq Portable 386 Personal Computer Maintenance and Service Guide - Page 1
...and/or registered trademarks of this guide is a troubleshooting guide that all peripheral devices be used...ERRORS, OR OMISSIONS CONTAINED HEREIN; All rights reserved. The software may be used as a reference when servicing the COMPAQ PORTABLE 386 Personal Computer.
Copyright 1987, 1989 Compaq Computer Corporation. COMPAQ PORTABLE 386 PERSONAL COMPUTER MAINTENANCE AND SERVICE GUIDE...
Compaq Portable 386 Personal Computer Maintenance and Service Guide - Page 3
...setting jumpers and switches. POWER ON SELF TEST (POST)/PROBLEM ISOLATION describes the internal system diagnostic programs that can occur with the COMPAQ PORTABLE 386 Personal Computer during the Power On Self Test procedure. REMOVAL AND REPLACEMENT PROCEDURES describes how to resolve the problem described by each error code. SETUP AND INSPECT (See SUPPORT SOFTWARE MAINTENANCE AND SERVICE GUIDE...
Compaq Portable 386 Personal Computer Maintenance and Service Guide - Page 16
... version of the COMPAQ DIAGNOSTICS diskette into Drive A (Drive Position 1), and push in on the computer. Turn on the drive button.
8.
See the SUPPORT SOFTWARE MAINTENANCE AND SERVICE GUIDE for identifying malfunctions. The flowchart gives troubleshooting procedures for detailed information on problem isolation. Reconnect the AC power cord to Chapter 6, "Error Messages and Codes," for...
Compaq Portable 386 Personal Computer Maintenance and Service Guide - Page 22
...
configuration
and run SETUP.
Chapter 6.2 Power On Self Test Messages
An error message results if a problem is turned on. Power On Self Test Error Messages
Message
Beeps
Probable Cause
Recommended Action
101 - ROM Error
1 Long,
System ROM
1. Inspect ROM placement
1 Short
2. Keyboard
None
Keyboard
Replace system board.
Error Messages and Codes
Chapter 6.1 Introduction...
Compaq Portable 386 Personal Computer Maintenance and Service Guide - Page 23
...None
Fixed disk drive/ Run DIAGNOSTICS. Run SETUP. Failure
2. Parity Check 2
None
Expansion RAM
Run DIAGNOSTICS. display
Chapter 6.3 Diagnostic Error Codes
DIAGNOSTIC error codes occur if the system recognizes a problem while running the COMPAQ DIAGNOSTICS Program. System Unit Error
system board
2.
Error
Error
702 - Coprocessor None
Coprocessor
1. Check jumper setting...
Compaq Portable 386 Personal Computer Maintenance and Service Guide - Page 33
... not within limits
699 - 00 Drive/media ID error;
xx Range Error Table 6-9. Replace the diskette drive and retest. 6. Replace monitor and retest.
2. 605 - xx Diskette ID Media Test
605 - 20 Failed to get change line status
610 - 22 Failed to error codes 600 - xx through 699 - 00:
1. Check the jumper settings on
the system board and retest (see...
Compaq Portable 386 Personal Computer Maintenance and Service Guide - Page 51
... and retest.
2. In some cases, replacing the memory module will not solve the problem because:
o The system may be able to a failure in the memory support circuitry, not the memory.
The memory error code points to replace.
5103 - 01 Video Attribute Test
5104 - 01 Video Character Set Test
5105 - 01 Video 80 x 25 Mode 9 x 14 Character Cell Test...
Compaq Portable 386 Personal Computer Maintenance and Service Guide - Page 60
...Chapter 7.5 Chassis - Table 7-4. Side Assembly
Table 7-4 lists the spare parts for the COMPAQ PORTABLE 386 Personal Computer chassis side assembly, which is illustrated in the Cable Kit (PN 107382-001). Drive Bezel
107202-001 (No
longer available)
2.
1.2 Megabyte Diskette Drive
360 Kbyte Diskette Drive
3 1/2 Inch 1.44 Megabyte Diskette Drive
107359-001 107360-001 109595-001
3. Diskette...
Compaq Portable 386 Personal Computer Maintenance and Service Guide - Page 68
...
1
RGB Data Cable
1
Fixed Disk Drive Data Cable (COMPAQ PORTABLE 386)
1
Fixed Disk Drive Power Cable (COMPAQ PORTABLE 386)
1
Modem Cable
1
Display Controller Data Cable
1
Chapter 7.8 Miscellaneous Hardware Kit
Table 7-7 lists the spare parts in the cable kit (PN 107382-001) for the COMPAQ PORTABLE 386 and COMPAQ PORTABLE III Personal Computers. Table 7-6. Table 7-6 lists...
Compaq Portable 386 Personal Computer Maintenance and Service Guide - Page 78
...the internal modems. Both the COMPAQ 1200 Baud Internal Modem and the COMPAQ 2400 Baud Internal Modem, are approved for use with the COMPAQ PORTABLE 386 Personal Computer. Complete the ... COMPAQ 1200 Baud Internal Modem or COMPAQ 2400 Baud Internal Modem:
1. Remove the 32 bit memory/modem interface board (see Section 8.2).
2.
Remove the rear panel (see Section 8.4).
3. To replace the...
Compaq Portable 386 Personal Computer Maintenance and Service Guide - Page 83
... and one megabyte of RAM is installed in combination with four megabytes of RAM...(RAM). The one megabyte of the sockets. To replace the second serial interface board, reverse steps 1 through...upgrade kit can be used only when connected to 2 Megabyte Memory Expansion Board, which is in the COMPAQ PORTABLE 386 Personal Computer. The diagram on the following for the COMPAQ PORTABLE 386...
Compaq Portable 386 Personal Computer Maintenance and Service Guide - Page 147
... speed mode at power on the inside of 32 bit RAM installed and determine how much RAM is changed in a COMPAQ PORTABLE 386 Personal Computer, the SETUP program must be used . Jumper and Switch Settings
Chapter 9.1 Introduction
This chapter provides jumper and switch settings for the COMPAQ PORTABLE 386 Personal Computer. Failure to run to be run this chapter, remember...
Compaq Portable 386 Personal Computer Maintenance and Service Guide - Page 152
... MODE.COM Version 3.2 or later. Many of the COMPAQ Enhanced Color Graphics Board.
CAUTION
Use care when setting the configuration switches on the system board. NOTE: When using a COMPAQ Enhanced Color Graphics Board with a COMPAQ PORTABLE 386 Personal Computer, you set them correctly for your computer system before installing the board. Connect pin 2 to determine the MODE.COM...
Compaq Portable 386 Personal Computer Maintenance and Service Guide - Page 160
... options are not interchangeable between the COMPAQ PORTABLE 386 and the fixed disk drive expansion unit. o Duplexing. An advantage of data. NOTE: For information on removal and replacement, see Chapter 9, "Jumper and Switch Settings." Maximum Storage
The EXTDISK software that the data retrieval speed is the same. Use the device driver EXTDISK.SYS, and an operating system...
Compaq Portable 386 Personal Computer Maintenance and Service Guide - Page 163
... be partitioned before you can have up to the directory that diskette. Chapter 10.3 Setting Up the Fixed Disk Drive Expansion Unit
The EXTDISK.SYS Device Driver
If you are running the fixed disk drive expansion unit at the primary address, you do not need to install the device driver.
Then use the EXTDISK.SYS device...
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