Appendix ep-3vca2 – EPoX Computer EP-3VCA2 User Manual

Page 58

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Appendix

EP-3VCA2

A-6

-

Create resource map from ESCD.

5. Assign IO & Memory for PCI devices. (PCI BIOS only)

0C

Initialization of the BIOS Data Area. (40:ON - 40:FF)

0D

1. Program some of the Chipset's value according to Setup.

(Early Setup Value Program)
2. Measure CPU speed for display & decide the system

clock speed.
3. Video initialization including Monochrome, CGA, EGA/

VGA. If no display device found, the speaker will beep.

0E

1. Test video RAM. (If Monochrome display device found)
2. Show messages including.
-

Award Logo, Copyright string, BIOS Data code & Part

No.

-

OEM specific sign on messages.

-

Energy Star Logo. (Green BIOS ONLY)

-

CPU brand, type & speed.

-

Test system BIOS checksum. (Non-Compress Version

only)

0F

DMA channel 0 test.

10

DMA channel 1 test.

11

DMA page registers test.

12-13

Reserved.

14

Test 8254 Timer 0 Counter 2.

15

Test 8259 interrupt mask bits for channel 1.

16

Test 8259 interrupt mask bits for channel 2.

17

Reserved.

19

Test 8259 functionality.

1A-1D

Reserved.

1E

If EISA NVM checksum is good, execute EISA initialization.

(EISA BIOS only)

1F-29

Reserved.

30

Detect Base Memory & Extended Memory Size.

31

1. Test Base Memory from 256K to 640K.
2. Test Extended Memory from 1M to the top of memory.

32

1. Display the Award Plug & Play BIOS Extension message.

(PnP BIOS only)

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