Appendix
A-7
EP-3WEF2/3WDF2
checksum fails, use default value instead.
3. Prepare BIOS resource map for PCI & PnP use. If
ESCD is valid, take into consideration of the ESCDs
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.
Summary of Contents for EP-3WDF2
Page 6: ...EP 3WEF2 3WDF2 Page Left Blank ...
Page 14: ...Introduction EP 3WEF2 3WDF2 Page 1 8 Figure 5 System Block Diagram System Block Diagram ...
Page 17: ...Installation EP 3WEF2 3WDF2 Page 3 1 Section 3 INSTALLATION ...
Page 18: ...Installation EP 3WEF2 3WDF2 Page 3 2 Figure 1 EP 3WEF2 3WDF2 Detailed Layout ...
Page 30: ...Installation EP 3WEF2 3WDF2 Page 3 14 Page Left Blank ...
Page 58: ...BIOS EP 3WEF2 3WDF2 Page 4 28 Page Left Blank ...
Page 60: ...Drivers Installation EP 3WEF2 3WDF2 Page 5 2 Page Left Blank ...
Page 72: ...Appendix EP 3WEF2 3WDF2 A 12 Page Left Blank ...
Page 74: ...Appendix EP 3WEF2 3WDF2 A 14 Page Left Blank ...