44
32
Reserved
33
PS2 Mouse setup
Setup PS2 Mouse and reset KB
34
Reserved
35
Test DMA Controller
0
Test DMA channel 0
36
Reserved
37
Test DMA Controller
1
Test DMA channel 1
38
Reserved
39
Test DMA Page
Registers
Test DMA Page Registers.
3A
Reserved
3B
Reserved
3C
Test Timer Counter 2 Test 8254 Timer 0 Counter 2.
3D
Reserved
3E
Test 8259-1 Mask
Bits
Verify 8259 Channel 1 masked interrupts by
alternately turning off
and on the interrupt lines.
3F
Reserved
40
Test 8259-2 Mask
Bits
Verify 8259 Channel 2 masked interrupts by
alternately turning off
and on the interrupt lines.
41
Reserved
42
Reserved
43
Test Stuck8259's
Interrupt Bits
Test 8259 Interrupt
Functionality
Turn off interrupts then verify no
interrupt mask register is on.
Force an interrupt and verify the interrupt
occurred.
44
Reserved
45
Reserved
46
Reserved
47
Set EISA Mode
If EISA non-volatile memory checksum is
good, execute EISA initialization.
If not, execute ISA tests an clear
EISA mode flag.
48
Reserved
49
Size Base and
Extended Memory
Size base memory from 256K to 640K and
extended memory above 1MB.
4A
Reserved
4B
Reserved
4C
Reserved
4D
Reserved
4E
Test Base and
Extended Memory
Test base memory from 256K to 640K and
extended memory above 1MB using
various patterns.
NOTE: This test is skipped in EISA
mode and can be skipped with ESC key
in ISA mode.
4F
Reserved
50
USB init
Initialize USB controller
51
Reserved
52
Memory Test
Test all memory of memory above 1MB
using Virtual 8086 mode,
page mode and clear the memory
53
Reserved
54
Reserved
55
CPU display
Detect CPU speed and display
