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34
Reserved
35
Test DMA Controller
0
36
Reserved
37
Test DMA Controller
1
38
Reserved
39
Test DMA Page
Registers
3A
Reserved
3B
Reserved
3C
Test Timer Counter 2
3D
Reserved
3E
Test 8259-1 Mask
Bits
3F
Reserved
40
Test 8259-2 Mask
Bits
41
Reserved
42
Reserved
43
Test Stuck8259's
Interrupt Bits
Test 8259 Interrupt
Functionality
44
Reserved
45
Reserved
46
Reserved
47
Set EISA Mode
48
Reserved
49
Size Base and
Extended Memory
4A
Reserved
4B
Reserved
4C
Reserved
4D
Reserved
4E
Test Base and
Extended Memory
4F
Reserved
50
USB init
51
Reserved
52
Memory Test
53
Reserved
54
Reserved
55
CPU display
56
Reserved
57
PnP Init
58
Reserved
59
Setup Virus Protect
5A
Reserved
Test DMA channel 0
Test DMA channel 1
Test DMA Page Registers.
Test 8254 Timer 0 Counter 2.
Verify 8259 Channel 1 masked interrupts by
alternately turning off
and on the interrupt lines.
Verify 8259 Channel 2 masked interrupts by
alternately turning off
and on the interrupt lines.
Turn off interrupts then verify no
interrupt mask register is on.
Force an interrupt and verify the interrupt
occurred.
If EISA non-volatile memory checksum is
good, execute EISA initialization.
If not, execute ISA tests an clear
EISA mode flag.
Size base memory from 256K to 640K and
extended memory above 1MB.
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.
Initialize USB controller
Test all memory of memory above 1MB
using Virtual 8086 mode,
page mode and clear the memory
Detect CPU speed and display
CPU vendor specific version string
and turn on all necessary CPU features
Display PnP logo and PnP early init
Setup virus protect according to Setup
62
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