EVGA 121-BL-E756 - Manual (Page 67)

68
Award POST Codes
Code Name Description
3C Test Timer Test 8254 Timer 0 Counter 2.
3D Reserved
3E Test 8259-1
Mask
Verify 8259 Channel 1 masked interrupts by
alternately turning off and on the interrupt lines.
3F Reserved
40 Test 8259-2
Mask
Verify 8259 Channel 2 masked interrupts by
alternately turning off and on the interrupt lines.
41 Reserved
42 Reserved
43 Test Stuck
Interrupt
Turn off interrupts then verify no 8259's interrupt
mask register is on. Test 8259 Force an interrupt and
verify the interrupt occurred.
44 Reserved
45 Reinit serial
port
Reinitialize Preboot agent serial port
46 Reserved
47 EISA Test If EISA non-volatile memory checksum is good,
execute EISA initialization. If not, execute ISA tests
and clear EISA mode flag.
48 Reserved
49 Size Memory Size base memory from 256K to 640K and extended
memory above 1MB.
4A Reserved
4B Reserved
4C Reserved
4D Reserved
4E Init APIC Initialize APIC and set MTRR
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