EVGA 121-BL-E756 User Manual page 67

Award POST Codes
Code Name
3C Test Timer
3D Reserved
3E Test 8259-1
Mask
3F Reserved
40
Test 8259-2
Mask
41 Reserved
42 Reserved
43 Test Stuck
Interrupt
44 Reserved
45
Reinit serial
port
46 Reserved
47 EISA Test
48 Reserved
49 Size Memory
4A Reserved
4B Reserved
4C Reserved
4D Reserved
4E Init APIC
4F Reserved
50 USB init
51 Reserved
52 Memory Test
53 Reserved
Description
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 8259's interrupt
mask register is on. Test 8259 Force an interrupt and
verify the interrupt occurred.
Reinitialize Preboot agent serial port
If EISA non-volatile memory checksum is good,
execute EISA initialization. If not, execute ISA tests
and clear EISA mode flag.
Size base memory from 256K to 640K and extended
memory above 1MB.
Initialize APIC and set MTRR
Initialize USB controller
Test all memory of memory above 1MB using Virtual
8086 mode, page mode and clear the memory
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