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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 : 0N − 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. Initialize the APIC (Multi-Processor BIOS only)
2. Test video RAM (If Monochrome display device found)
3. Show messages including:
-Award Logo, Copyright string, BIOS Date 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