Page 43
ETX-EV133
User’s Manual
POST (hex)
Description
38h
Reserved
39h
Test DMA Page Registers
3Ah
Reserved
3Bh
Reserved
3Ch
Test 8254 Channel 2
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 writes allocation for AMD K5 CPU.
4Ah
Reserved
4Bh
Reserved
4Ch
Reserved
4Dh
Reserved
4Eh
1. Program MTRR of M1 CPU2.
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 USB
51h
Reserved
52h
Test all memory (clear all extended memory to 0)
53h
Reserved
54h
Reserved
55h
Display number of processors (multi-processor platform)
56h
Reserved
57h
1. Display PnP logo
2. Early ISA PnP initialization
3. Assign CSN to every ISA PnP device.
58h
Reserved
59h
Initialize the combined Trend Anti-Virus code.
5Ah
Reserved
5Bh
Test EISA available memory
5Ch
Reserved
5Dh
1. Initialize Init_Onboard_Super_IO switch.
2. Initialize Init_Onbaord_AUDIO switch.
5Eh
Reserved
Содержание ETX-EV133
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