EVGA NFORCE 680I SLI 122-CK-NF68-XX - Manual (Page 165)

Installing and Configuring the EVGA nForce 680i SLI Motherboard
114
Code(hex) Name Description
1
38 Reserved
39 Test DMA Page
Registers Test DMA Page Registers
3A Reserved
3B Reserved
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