Appendix

EP-3VCA2

 

 

 

 

 

- 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.

10DMA channel 1 test.

11DMA page registers test.

12-13 Reserved.

14Test 8254 Timer 0 Counter 2.

15Test 8259 interrupt mask bits for channel 1.

16Test 8259 interrupt mask bits for channel 2.

17Reserved.

19

Test 8259 functionality.

1A-1D

Reserved.

1E

If EISA NVM checksum is good, execute EISA initialization.

 

(EISA BIOS only)

1F-29

Reserved.

30Detect Base Memory & Extended Memory Size.

311. Test Base Memory from 256K to 640K.

2. Test Extended Memory from 1M to the top of memory.

321. Display the Award Plug & Play BIOS Extension message. (PnP BIOS only)

A-6

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EPoX Computer EP-3VCA2 specifications Create resource map from Escd