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cPCI-MXS64GX Technical Reference Manual
POST Codes (continued)
POST #
Designation
0B
Test CMOS RAM Checksum
Description
1.
Verify time and date for valid values.
2.
If Override enabled, check for Override key.
If Override key pressed, Kill CMOS checksum.
3.
Check CMOS Battery (useless if save CMOS in FLASH enabled
since it's already done).
4.
Verify Checksum, if bad, load defaults.
5.
Copy CMOS in the stack.
6.
Clear CMOS Alarm date.
7.
Clear HD if Hidden.
8.
Clear Floppy "B" if only one drive.
9.
Detect for a Math Co-processor.
10.
Set Fast Gate A20 Flag in CMOS.
11.
If "B" drive only is set the 2 Drive are set...
12.
Program Chipset for early Power Management.
13.
P6 Bios Update (if applicable).
14.
Kill Onboard PnP IO.
15.
PnP Early Initialization.
16.
PnP System Resource:
1. Get ESCD.
2. Create default SYSTEM_MAP.
3. Decode/Record ISA ESCD resources.
4. Record I/O port for PnP operation.
17.
Chipset Early Shadow.
F-4
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