Specifications

Chapter 5. Error Messages and Codes
Chapter 5.1 Introduction
This section provides Power On Self Test error messages, DIAGNOSTIC error
codes, and memory error codes.
The messages and codes are given in tables that list the message or error
code, a description of the error, and the probable failure or required action
to resolve the error condition.
Chapter 5.2 Power On Self Test Error Messages
This section is divided into two tables. The first table contains Power On
Self Test error messages for the COMPAQ PORTABLE 286 Personal Computer. The
second table contains Power On Self Test error messages for the COMPAQ
Portable and COMPAQ PLUS Personal Computers.
An error message results if a problem is encountered during the Power On Self
Test program. This program runs automatically when the system is turned on.
The tables list the messages, the audible (beep) message, and the probable
failure.
Table 5-1. Power On Self Test Error Messages for the COMPAQ PORTABLE 286
Personal Computer
==============================================================================
Message Beeps Probable Failure
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101 - I/O ROM Error 1 Long, Option ROM
1 Short
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101 - ROM Error 1 Long, System ROM
1 Short
------------------------------------------------------------------------------
102 - System Board Failure None System Board
------------------------------------------------------------------------------
162 - System Options Error 2 Short SETUP Utility Incorrect
------------------------------------------------------------------------------
163 - Time & Date Not Set 2 Short Invalid time
------------------------------------------------------------------------------
164 - Memory Size Error 2 Short SETUP Utility Incorrect
Discrepancy
------------------------------------------------------------------------------
XX000B YYZZ - 201 Memory None RAM Failure *
Error
------------------------------------------------------------------------------
301 - Keyboard Error None Keyboard
------------------------------------------------------------------------------
302 - System Unit Security 2 Short System Lock
Lock is Locked, Unlock
System Unit Security Lock
------------------------------------------------------------------------------
303 - Keyboard Controller None Keyboard
Error