Nvidia NFORCE 780I SLI User Manual page 100

780i 3-Way SLI Motherboard
Award POST Codes
Co Name
de
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
54 Reserved
55 CPU display
56 Reserved
57 PnP Init Display
58 Reserved
NVIDIA Corporation
90
October 17, 2007 | DU-03597-001_v01
Description
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
Detect CPU speed and display CPU vendor specific
version string and turn on all necessary CPU features
PnP logo and PnP early init