6 BIOS Setup
SIS-8601-LVA
75
6.18. POST Codes
POST
(hex)
Description
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 back to E000 & F000 shadow RAM.
0h1
Expand the Xgroup codes locating in physical address 1000:0
02h
Reserved
03h
Initial Superio_Early_Init.
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 series Super I/O chips.
2.
Enable keyboard interface.
09h
Reserved
0Ah
1.
Disable PS/2 mouse interface (optional).
2.
Auto detect ports for keyboard & mouse followed by a port & interface swap (optional).
3.
Reset keyboard for Winbond 977 series Super I/O chips.
0Bh
Reserved
0Ch
Reserved
0Dh
Reserved
0Eh
Test F000h segment shadow to see whether it is R/W-able or not. If test fails, keep beeping
the speaker.
0Fh
Reserved
Summary of Contents for SIS-8601-LVA
Page 15: ...1 Introduction 8 SIS 8601 LVA...
Page 37: ...3 Jumper Setting 30 SIS 8601 LVA...
Page 41: ...4 CPU card Resources 34 SIS 8601 LVA...
Page 89: ...6 BIOS Setup 82 SIS 8601 LVA...
