DEC DECstation 316+, Service Manual, Page: 35 / 94

Troubleshooting 2–11
2.5.2 Test Messages
After screen initialization and verification, the built-in diagnostics
send non-fatal error messages to video memory and the system
displays the messages on the monitor. Table 2–4 lists the BIOS
error numbers and the corresponding error messages that displays
on the screen.
Table 2–4 BIOS Error Messages
Error
Number
Error Message
01 Gate A20 failure
02 Unexpected interrupt in protected mode
03 Unexpected SW interrupt at xxxx:xxxx
Type (S)hut off NMI, (R)eboot, other keys to continue
04 Memory tests terminated by keystroke
05 Memory yyyyy failure at xxxx read xxxx expecting xxxx
06 Display adapter failed; using alternate
07 No timer tick interrupt
08 Shutdown failure
09 Timer chip counter 2 failed
10 Keyboard xxxxx failure
11 Diskette subsystem reset failed
12 Diskette drive 0 seek failure
13 Diskette drive 1 seek failure
14 Hard disk configuration error
15 Hard disk controller failure
16 Hard disk failure
17 Time-of-day clock stopped