Appendix |
|
|
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. | |
0F | DMA channel 0 test. | |
10 | DMA channel 1 test. | |
11 | DMA page registers test. | |
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. | |
Reserved. | ||
1E | If EISA NVM checksum is good, execute EISA initialization. | |
| (EISA BIOS only) | |
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) | |
| 2. | Program all onboard super I/O chips (if any) including COM ports, |
| LPT ports, FDD port ... according to setup value. | |
Reserved. | ||
3C | Set flag to allow users to enter CMOS Setup Utility. | |
3D | 1. | Initialize Keyboard. |
| 2. | Install PS2 mouse. |
