Computer Accessories User Manual

BIOS BIOS Post Codes
96 PENT/ATCA−717
BIOS Post Codes
The following table lists BIOS post codes applicable to the used Phoenix 4.0 Release 6.0
BIOS. The BIOS POST codes are stored in the blade′s Port 80 register and can also be
obtained by reading an on−board IPMI sensor. For details refer to
the
aPENT/ATCA*715/717/7105/7107: Control via IPMI Programmer’s Guide which can
be downloaded from the Motorola literature catalog.
aaa
Table 9: Standard BIOS Post Codes
Post Code
Description
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 Initialize PCI bus mastering devices
14 Initialize keyboard controller
16 BIOS ROM checksum
17 Initialize cache before memory autosize
18 8254 programmable interrupt timer initialization
1A 8237 DMA controller initialization
1C Reset programmable interrupt controller
20 Test DRAM refresh
22
Test 8742 keyboard controller