Avalue Technology ECM-945GSE User Manual page 96

Intel atom processor n270 3.5” micro module with intel 945gse + ich7- m chipset
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ECM-945GSE
Code (hex)
Name
25
Reserved
26
Reserved
27
KBC final Init
28
Reserved
29
Initialize Video Interface
2A
Reserved
2B
Reserved
2C
Reserved
2D
Video memory test
2E
Reserved
2F
Reserved
30
Reserved
31
Reserved
32
Reserved
33
PS2 Mouse setup
34
Reserved
35
Test DMA Controller 0
36
Reserved
37
Test DMA Controller 1
38
Reserved
39
Test DMA Page
Registers
3A
Reserved
3B
Reserved
3C
Test Timer Counter 2
3D
Reserved
3E
Test 8259-1 Mask Bits
3F
Reserved
40
Test 8259-2 Mask Bits
41
Reserved
42
Reserved
96 ECM-945GSE User's Manual
Description
Final Initial KBC and setup BIOS data area
Read CMOS location 14h to find out type of video in use. Detect
and Initialize Video Adapter.
Test video memory, write sign-on message to screen. Setup
shadow RAM - Enable shadow according to Setup.
Setup PS2 Mouse and reset KB
Test DMA Controller 0
Test DMA Controller 1
Test DMA Page Registers.
Test 8254 Timer 0 Counter 2.
Verify 8259 Channel 1 masked interrupts by alternately turning off
and on the interrupt lines.
Verify 8259 Channel 2 masked interrupts by alternately turning off
and on the interrupt lines.

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