EVGA NFORCE 780I SLI - Manual (Page 110)

Post Codes
Award POST Codes
Co
de
Name Description
Drive
74 Reserved
75 Detect HDD IDE device detection
76 Reserved
77 Detect serial ports Initialize serial ports.
78 Reserved
79 Reserved
7A Detect parallel
ports
Initialize parallel ports.
7B Reserved
7C HDD Write Protect HDD check for write protection
7D Reserved
7E Reserved
7F POST error check Check POST error and display them and ask for user
intervention
80 Reserved
81 Reserved
82 Security Check Ask password security.
83 Write CMOS Write all CMOS values back to RAM and clear screen.
84 Display PNP Display PNP devices
85 USB Final Init Final USB initialization
86 Reserved
87 Reserved
88 Reserved
89 Setup ACPI tables Setup ACPI tables
8A Reserved
8B Option ROM
Detect
Scan for Option ROMs
8C Reserved
8D Enable Parity Enable Parity Check