American Megatrends AMI 386SX, Preliminary Manual, Page: 27 / 52

2. CMOS INOPERATIONAL
3. 8042 GATE-A20 ERROR
4. INVALID SWITCH/MEMORY ERROR
5. DMA #1 ERROR
6. DMA #2 ERROR
7. DMA ERROR
8. INTR #1 ERROR
9. NO ROM BASIC
Non-Fatal Errors through video display device
1. CH-2 timer error
2. Keyboard error
3. KB/Interface error
4. INTR #1 error
5. INTR #2 error
6. Display switch not proper
7. Keyboard is locked ... Unlock it
8. FDD controller failure
9. HDD controller failure
10. C:drive error
11. D:drive error
12. D:drive failure
13. CMOS battery state low
14. CMOS system options not set
15. CMOS checksum failure
16. CMOS memory size mismatch
17. CMOS time & date not set
18. CMOS display type mismatch
19. C:drive failure
2.8 User Selectable Options Through Keyboard Key
This section describes USER options available in the SYSTEM BIOS through
keyboard key.
Key Sequence BIOS Function
<ESC> Press this key to bypass system memory test.
<DEL> Press this key to run System SETUP program.
<INS> With some EGA/VGA card with video RAM shadow feature enabled, there may
be a problem. There may be no display on the screen after the
system is powered on. Switch off the System and switch it on again
with <INS> key pressed in the keyboard. This will cause the BIOS to
let the USER run the SET UP program again so that video RAM shadow
feature can be disabled and let the user run the SET UP program
again so that video RAM shadow feature can be disabled.