Appendix
A-7
EP-3WXM/2/4
checksum fails, use default value instead.
3. Prepare BIOS resource map for PCI & PnP use. If
ESCD is valid, take into consideration of the ESCD’s
legacy information.
4. Onboard clock generator initialization. Disable
respective clock resource to empty PCI & DIMM
slots.
5. Early PCI initialization:
- Enumerate PCI bus number
- Assign memory & I/O resource
- Search for a valid VGA device & VGA BIOS, and
put it into C000:0.
24h
Reserved
25h
Reserved
26h
Reserved
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.
5. Invoke video BIOS.
2Ah
Reserved
2Bh
Reserved
2Ch
Reserved
2Dh
1. Initialize multi-language
2. Put information on screen display, including Award
title, CPU type, CPU speed ….
2Eh
Reserved
2Fh
Reserved
30h
Reserved
31h
Reserved
32h
Reserved
33h
Reset keyboard except Winbond 977 series Super I/O
chips.
Содержание EP-3WXM
Страница 6: ...EP 3WXM 2 4 Page Left Blank ...
Страница 14: ...Introduction EP 3WXM 2 4 Page 1 8 Figure 5 System Block Diagram System Block Diagram ...
Страница 17: ...Installation EP 3WXM 2 4 Page 3 1 Section 3 INSTALLATION ...
Страница 18: ...Installation EP 3WXM 2 4 Page 3 2 Figure 1 EP 3WXM 2 4 Detailed Layout ...
Страница 52: ...BIOS EP 3WXM 2 4 Page 4 26 Page Left Blank ...
Страница 54: ...Drivers Installation EP 3WXM 2 4 Page 5 2 Page Left Blank ...
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