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Installing and Configuring the EVGA nForce 680i SLI Motherboard
Code(hex)
Name
1
38
Reserved
39
Test DMA Page
Registers
3A
Reserved
3B
Reserved
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 Initialize
51
Reserved
52
Memory Test
53
Reserved
114
Description
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 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
USB controller
Test all memory of memory above 1MB using Virtual
8086 mode, page mode and clear the memory
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