Compaq 486 User Manual

Mismatch configuration not
updated
174 - EISA 1 Short EISA board
Configuration/ not found
Slot Mismatch
175 - EISA 1 Short EISA board added,
Configuration/ configuration not
Slot Mismatch updated
176 - Slot with 1 Short EISA board in
Unreadable ID slot that should
contain ISA board
177 - Configuration 1 Short Incomplete EISA
Not Complete configuration
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Message Beeps Probable Cause Recommended Action
-----------------------------------------------------------------------------
178 - Processor 1 Short System board type Run COMPAQ EISA
Configuration invalid or step Configuration utility.
does not match
configuration memory
-----------------------------------------------------------------------------
XX000Y ZZ * None RAM failure 1. Replace the
201 - Memory Error memory module
(see Figure 3-1).
2. Replace the
processor board.
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XX000Y ZZ * None Memory failure Replace the
203 - Memory processor board.
Address Error
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205 - Memory Error None Cache Memory Run Diagnostics.
XXYYYYY controller or
ZZZZZZZZ RAM failure
-----------------------------------------------------------------------------
301 - Keyboard None Keyboard 1. Check that keyboard
Error failure is connected.
2. Replace the
keyboard.
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303 - Keyboard None Processor board, Replace the keyboard,
Controller Error keyboard, or mouse or I/O board.
mouse
-----------------------------------------------------------------------------
304 - Keyboard or None Keyboard or 1. Replace the
System Unit processor board keyboard.
Error 2. Replace the
processor board.
-----------------------------------------------------------------------------
501 - Display 1 Long, Video display Replace the video board
Adapter Failure 2 Short controller
-----------------------------------------------------------------------------
Message Beeps Probable Cause Recommended Action
-----------------------------------------------------------------------------
601 - Diskette None Diskette Controller 1. Replace the power
Controller Error circuitry distribution board

Compaq 486 Specifications

General

Brand	Compaq
Model	486
Category	Desktop
Language	English