[. . . ] [. . . ] appendix A ERROR MESSAGES AND CODES Error Messages The following pages list warning messages, error codes and system error beep codes not documented elsewhere, with a brief description of the probable cause. The computer will generate only those codes applicable to the actual system configuration and installed options. Common Power-On Messages Table A-1 lists the error messages that may occur when the system is powered-on or reset. Table A-1 Power-On Messages Message 163 - Time and date not set (Two very short beeps) RESUME = "F1" key Beeps 2S 2VS None Probable Cause Invalid time or date Power-on successful Any failure Error Messages and Codes A-1 Initialization Diagnostic Messages Table A-2 lists error messages that may occur as part of the Power-On Self-Test (POST). Table A-2 Power-On Self-Test (POST) Messages Message No visible message No visible message 101 - I/O ROM error 101 - ROM error 102 - System Board Failure 102 - System or Memory Board Failure 162 - System Options Error 162 - System Options Not Set (Run SETUP) 163 - Time and Date Not Set 164 - Memory Size Error 170 - Expansion Device not Responding (Run SETUP) 176 - Slot with No Readable ID (Run SETUP) 177 - SETUP Not Complete (Run SETUP) 178 - Processor SETUP Invalid (Run SETUP) XXOOOY ZZ 201 - Memory Error XXOOOY ZZ 203 - Memory Error 205 - Cache Memory Failure Z 205 - Memory Failure 206 - Secondary Cache Controller Failure 207 - Invalid Memory Configuration Z 209 - NCA RAM Error 211 - Memory Failure 301 - Keyboard Error 301 - Keyboard Error or Test Fixture Installed 302 - System Unit Security Lock is Locked - Unlock System Unit Security Lock 303 - Keyboard Controller Error 304 - Keyboard or System Unit Error 401 - Printer Error 401 - Port 1 Address Assignment Conflict 402 - Monochrome Adapter Failure 403 - Port 3 Address Assignment Conflict Beeps 3L 2L 1L, 1S 1L, 1S None None 2S 2S 2S 2S None None None None None None None None None None None None None None 2S None None None 2S 1L, 2S 2S Probable Cause Processor Self-test Memory map failure Option ROM checksum System ROM checksum DMA or timers High-order addresses No diskette drives or mismatch in drive types System SETUP Invalid time or date in configuration memory Memory size discrepancy Expansion device not responding Slot with no readable ID SETUP not complete Processor SETUP invalid RAM failure RAM failure System board Memory board failure Cache Memory Controller Failure System memory board NCA Failure RAM Failure Keyboard failure Keyboard test fixture System locked Keyboard controller Keyboard interface Printer controller External and Internal Port assignments to Port 1 Monochrome display controller External and Internal Port Assignments to Port 1 Graphics display controller 501 - Display Adapter Failure 1L, 2S NOTES: 1. XX000Y ZZ = Address (XX), byte (Y), data bit (ZZ) of failed memory test A-4 Error Messages and Codes Advanced Diagnostics Error Messages The following tables list error messages that may occur during Advanced Diagnostics testing. [. . . ] [. . . ]