DIAGNOSTIC TEST ERROR CODES


Codes     Description

1         Boot ROM failed to initialize
2         Unexpected controller ID found
3         Unexpected customer code found
20-29     82786 internal register errors 
30-36     CGA register errors 
40-44     LUT errors 
45-49     Graphics Processor basic test error
50-55     Page register errors
60-61     Boot ROM presence test error
65-69     Status register errors
70-79     Diagnostic test display screen errors
80-89     DRAM test errors
90-108    CGA emulator page data errors
110-128   DRAM page data errors
255       Diagnostic parameter switch error