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Chapter 4
63
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
Содержание X1200 ED5200A - Aspire
Страница 8: ...viii ...
Страница 38: ...30 Chapter 2 ...
Страница 49: ...Chapter 3 41 7 Pull the lever to the fully open position as shown below 8 Pull the drive out of the drive bay ...
Страница 51: ...Chapter 3 43 b Lift the bracket out of the chassis 7 Disconnect the data cable from the mainboard ...
Страница 56: ...48 Chapter 3 11 Lift the power supply module out of the chassis ...
Страница 58: ...50 Chapter 3 8 Gently pull the DIMM upward to pull it away from the chassis ...
Страница 60: ...52 Chapter 3 8 Gently pull the card to remove it from the mainboard ...
Страница 76: ...68 Chapter 4 ...
Страница 77: ...Chapter 5 69 System Block Diagram System Block Diagram and Board Layout Chapter 5 ...
Страница 80: ...72 Chapter 5 ...
Страница 82: ...74 Chapter 6 Aspire ASX1200 ASX3200 Exploded Diagram ...