ix
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
CPU vendor specific version string
and turn on all necessary CPU features
56 Reserved
57
PnP Init
Display PnP logo and PnP early init
58 Reserved
59
Setup Virus Protect
Setup virus protect according to Setup
5A Reserved
5B
Awdflash Load
If required, will auto load
Awdflash.exe in POST
5C Reserved
