Code(hex)
Name
Description
29
CPU Speed detect
Chipset programming and CPU Speed detect
2A
Reserved
2B
Init
video
Initialize
Video
2C
Reserved
2D
Video memory test
Test Video Memory and display Logos
2E
Reserved
2F
Reserved
30
Reserved
31
Reserved
32
Reserved
33
Early keyboard reset
Early Keyboard Reset
34
Reserved
35
Test DMA Controller 0
Test DMA channel 0
36
Reserved
37
Test DMA Controller 1
Test DMA channel 1
38
Reserved
39
Test DMA Page Registers
Test DMA Page Registers
3A
Reserved
3B
Reserved
3C
Test Timer
Test 8254 Timer 0 Counter 2.
3D
Reserved
3E
Test 8259-1 Mask
Verify 8259 Channel 1 masked interrupts by
alternately
turning
off
and
on
the
interrupt
lines.
3F
Reserved
40
Test 8259-2 Mask
Verify 8259 Channel 2 masked interrupts by
alternately
turning
off
and
on
the
interrupt
lines.
41
Reserved
42
Reserved
43
Test Stuck Interrupt
Turn off interrupts then verify no 8259's Inter
rupt
interrupt
mask
register
is
on.
Test
8259
Force
an
interrupt
and
verify
the
interrupt
occurred.
44
Reserved
45
Reinit serial port
Reinitialize Preboot agent serial port
46
Reserved
47
EISA Test
If EISA non-volatile memory checksum is
good,
execute
EISA
initialization.
If
not,
exe
cute
ISA
tests
and
clear
EISA
mode
flag.
48
Reserved
49
Size Memory
Size base memory from 256K to 640K and ex
tended
memory
above
1MB.
4A
Reserved
4B
Reserved
50
Chapter 4: Raid Setup and LED Error Codes
Summary of Contents for MCP55
Page 1: ...XFX Motherboard Installation Manual Version 1 0...
Page 57: ......
