6 BIOS Setup
SIS-8601-LVA
77
POST
(hex)
Description
26h
1. If Early_Init_Onboard_Generator is not defined
Onboard clock generator initialization. Disable respective
Clock resource to empty PCI & DIMM slots.
2. init onboard PWM .
3. Init onboard H/W monitor devices
27h
Initialize INT 09 buffer
28h
Reserved
29h
1.
Program CPU internal MTRR (P6 & PII) for 0-640K memory address.
2.
Initialize the APIC for Pentium class CPU.
3.
Program early chipset according to CMOS setup. Example: onboard IDE controller.
4.
Measure CPU speed.
2Ah
Reserved
2Bh
Invoke Video BIOS .
2Ch
Reserved
2Dh
1.
Initialize double-byte language font (Optional)
2.
Put information on screen display, including Award title, CPU type, CPU speed , full
screen logo
2Eh
Reserved
2Fh
Reserved
30h
Reserved
31h
Reserved
32h
Reserved
33h
Reset keyboard if Early_Reset_KB is defined e.g. Winbond 977
series Super I/O chips. See also POST 63h
34h
Reserved
35h
Test DMA Channel 0 .
36h
Reserved
37h
Test DMA Channel 1 .
38h
Reserved
39h
Test DMA page registers .
3Ah
Reserved
3Bh
Reserved
3Ch
Test 8254
3Dh
Reserved
3Eh
Test 8259 interrupt mask bits for channel 1.
3Fh
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...
