HP Portable 486 Compaq Portable 486c Personal Computer Maintenance and Service - Page 18

Mismatch configuration not updated 174 - EISA Configuration/ Slot Mismatch 1 Short EISA board not found 175 - EISA Configuration/ Slot Mismatch 1 Short EISA board added, configuration not updated 176 - Slot with Unreadable ID 1 Short EISA board in slot that should contain ISA board 177 - Configuration 1 Short Incomplete EISA Not Complete configuration 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. XX000Y ZZ * None Memory failure Replace the 203 - Memory processor board. Address Error 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. 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