EPOX EP-6VBA Manual de usuario descargar pdf (Pagina 54)

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3. Read CMOS data into BIOS stack area.

4. PnP initializations including. (PnP BIOS

only)

- Assign CSN to PnP ISA card.

- 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

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EPOX EP-6VBA Manual de usuario Pagina 54