| Code |
Meaning |
| 01 |
LED
test |
| 02 |
Processor
test |
| 03 |
System
(BIOS) ROM test |
| 04 |
RAM
refresh timer test |
| 05 |
Interrupt
RAM test |
| 06 |
Shadow
the system ROM BIOS |
| 07 |
CMOS
RAM test |
| 08 |
Internal
cache memory test |
| 09 |
Initialize
the video card |
| 10 |
Test
external cache |
| 11 |
Shadow
option ROM's |
| 12 |
Memory
subsystem test |
| 13 |
Initialize
EISA/ISA hardware |
| 14 |
8042
keyboard controller self test |
| 15 |
Timer
0 / Timer 2 test |
| 16 |
DMA
subsystem test |
| 17 |
Interrupt
controller test |
| 18 |
RAM
address line independence test |
| 19 |
Size
extended memory |
| 20 |
Real
mode memory test (first 640K) |
| 21 |
Shadow
RAM test |
| 22 |
Protected
mode RAM test (extended RAM) |
| 23 |
Real
time clock test |
| 24 |
Keyboard
test |
| 25 |
Mouse
test |
| 26 |
Hard
disk test |
| 27 |
LAN
test |
| 28 |
Flexible
disk controller subsystem test |
| 29 |
Internal
numeric coprocessor test |
| 30 |
Weitek
coprocessor test |
| 31 |
Clock
speed switching test |
| 32 |
Serial
port test |
| 33 |
Parallel
port test |