Acer Aspire X1300 Technical Information PDF herunterladen (Seite 73)

100

Chapter 4 65

2Dh 1 Initialize double-byte language font (Optional)

2 Put information on screen display, including Award title, CPU type, CPU speed,

full screen logo.

2Eh Reserved

2Fh Reserved

30h Reserved

31h Reserved

32h Reserved

33h Reset keyboard if Early_Reset_KB is defined e.g. Winbond 977 series Super I/O

chips. See also POST 63h.

34h Reserved

35h Test DMA Channel 0

36h Reserved

37h Test DMA Channel 1

38h Reserved

39h Test DMA page registers

3Ah Reserved

3Bh Reserved

3Ch Test 8254

3Dh Reserved

3Eh Test 8259 interrupt mask bits for channel 1

3Fh Reserved

40h Test 8259 interrupt mask bits for channel 2

41h Reserved

42h Reserved

43h Test 8259 functionality

44h Reserved

45h Reserved

46h Reserved

47h Initialize EISA slot

48h Reserved

49h 1 Calculate total memory by testing the last double word of each 64K page.

2 Program write allocation for AMD K5 CPU.

4Ah Reserved

4Bh Reserved

4Ch Reserved

4Dh Reserved

4Eh 1 Program MTRR of M1 CPU

2 Initialize L2 cache for P6 class CPU & program CPU with proper cacheable

range

3 Initialize the APIC for P6 class CPU

4 On MP platform, adjust the cacheable range to smaller one in case the

cacheable ranges between each CPU are not identical

4Fh Reserved

50h Initialize the USB Keyboard & Mouse

POST Code (Hex) POST Routine Description

1 2 ... 68 69 70 71 72 73 74 75 76 77 78 ... 99 100

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Acer Aspire X1300 Technical Information Seite 73

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