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POST Codes (continued)
POST
Designation
#
0C
Initialize Keyboard
0D
Initialize Video Interface
& Chipset
Description
1.
Open Xilinx I/O Port
location to x90h (X=1,2 or
3) inside the chipset (if
necessary).
2.
Disable (if necessary).
Thermal Management.
3.
Disable (if necessary)
Ethernet Chip.Set IDE
Detect counter to 0.
4.
Set CD-ROM found
variable to 0.
5.
Initialize zone 40:0h for the
keyboard buffer.
1.
On M1 set the cache for
the memory installed.
2.
On PCI, do a PCI ROM
init.
3.
On P6, Init. Apic.
4.
Init. Chipset.
5.
Turn ON CPU Cache.
6.
Set Maximum Speed.
7.
Measure CPU Clock
Speed.
8.
Restore Speed.
9.
Turn Off CPU Cache.
10.
Early Video Shadow.
11.
Read CMOS location 14h
to find out type of video to
use. Detect and initialize
Video Adapter.
12.
Init. T380 if necessary.
F-5
BIOS Setup Error Codes
st
Boot Block 1
: Verify BIOS
checksum.
nd
Boot Block in EMERGENCY 2
Init. vector 00h through 77h.
Boot Block in EMERGENCY: Try to
init. Video Card...
:
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