SBC81870 Intel
®
Pentium
®
M w/ DDR/VGA/Dual LAN
Trouble Shooting
103
Trouble Shooting For Post Codes
The lists below indicate you the post codes. Please follow the
instruction to adjust your system. If the error still occurred,
please contact with your distributor for maintenance.
CFh :
Test CMOS R/W functionality.
C0h :
Early chipset initialization
-
Disable shadow RAM
-
Disable L2 cache (socket 7 or below)
-
Program basic chipset registers
C1h :
Detect memory
-
Auto-detection of DRAM size, type and ECC
-
Auto-detection of L2 cache (socket 7 or below)
C3h :
Expand compressed BIOS code to DRAM.
C5h :
Call chipset hook to copy BIOS black to E000 & F000
shadow RAM.
0h1 :
Expand the Xgroup codes locating in physical
address 1000:0
02h :
Reserved.
03h :
Initial Superio_Early_Init switch.
04h :
Reserved.
05h :
1. Blank out screen
2. Clear CMOS error flag
06h :
Reserved
07h :
1. Clear 8042 interface
2. Initialize 8042 self-test
08h :
1. Test special keyboard controller for Winbond 977
