Table A-1 Bios Post Codes - Silicon Graphics Altix XE250 User Manual

A: BIOS Power-on Self Test
A-150
Table A-1 lists the codes that may be written to port 80h.
Table A-1
BIOS Post Codes
POST Code (hex) Description
01 IPMI Initialization
02 Verify Real Mode
03 Disable Non-Maskable Interrupt (NMI)
04 Get CPU type
06 Initialize system hardware
07 Disable shadow and execute code from the ROM
08 Initialize chipset with initial POST values
09 Set IN POST flag
0A Initialize CPU registers
0B Enable CPU cache
0C Initialize caches to initial POST values
0E Initialize I/O component
0F Initialize the local bus IDE
10 Initialize Power Management
11 Load alternate registers with initial POST values
12 Restore CPU control word during warm boot
13 Reset PCI Bus Mastering devices
14 Initialize keyboard controller
16 1-2-2-3 BIOS ROM checksum
17 Initialize cache before memory Auto size
18 8254 timer initialization
1A 8237 DMA controller initialization
1C Reset Programmable Interrupt Controller
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