Monochrome Video Circuits (Mono) - Digital Equipment VAXstation 3100 Maintenance Manual

212 Power-Up and Self-Test Error Codes
E.1 Monochrome Video Circuits (MONO)
Error code format: 0000.:XXXX
Where XXXX is one of the codes listed in Table E-2.
Table E-2 Monochrome Video Error Codes (0000.XXXX)
Error Codes Definition
0001 No error
0010 End of frame bit not set in interrupt pending register.
0020 End of frame failed to set for the second time.
0040 End of frame failed to set for the third time.
0080 No end of frame interrupt seen.
0100 Wrong IPL level for EOF interrupt.
0200 Interrupt request failed to clear interrupt pending register bit.
0400 End -offrame interrupt did· not occur.
0800 Error during cursor test
E.2 Time-Of-Year Clock (CLK)
Error code format: 0000.XXXX
Where XXXX is one of the error codes listed in Table E-3.