Troubleshooting (DPO7000 Series, MSO70000/C Series, DSA/DPO70000B/C Series)
Table 4-12: 039-0185-xx μATX POST codes (cont.)
Item no. Module
Displayed POST
code Description
Test Stuck 8259’s
Interrupt Bits
Turn off interrupts then verify no interrupt mask register is on.
Test 8259 Interrupt
Functionality
43
Force an interrupt and verify the interrupt occurred.
Reserved 44
Reserved 45
Reserved 46
Set EISA Mode
47
If EISA non-volatile memory checksum is good, execute EISA
initialization.
If not, execute ISA tests and clear EISA mode flag.
Reserved 48
SizeBaseandExtended
Memory
49
Size base memory from 256K to 640K and extended memory
above 1 MB.
Reserved 4A
Reserved 4B
Reserved
4C
Reserved 4D
Test Base and Extended
Memory
4E
Test base memory from 256K to 640K and extended memory
above 1 MB using various patterns.
NOTE. This test is skipped in EISA mode and can be skipped
with ESC key in ISA mode.
Reserved 4F
USB init
50
Initialize USB controller
Reserved 51
Memory Test 52
Test all m emory of memory above 1 MB using Virtual
8086 mode, page mode, and clear the m emory
Reserved 53
Reserved 54
CPU display
55
Detect CPU speed and display CPU vendor-specific version
string and turn on all necessary CPU features
Reserved 56
PnP Init
57
Display PnP logo and PnP early init
Reserved 58
Setup Virus Protect
59
Setup virus protect according to Setup
Reserved 5A
Awdflash Load
5B
If required, will auto load Awdflash.exe in POST
Reserved
5C
12
Onboard I/O Init
5D
Initializing onboard super IO
4–34 MSO70000/C, DSA70000B/C, DPO70000B/C, DPO7000, MSO5000, DPO5000 Series
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