ARK-6310 User Manual 74
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 Stuck 8259's Inter-
rupt Bits
Test 8259 Interrupt Func-
tionality
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
5D Onboard I/O Init Initializing onboard superIO
5E Reserved
Table B.1: Normal POST Codes
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