Technical data

Self-Test Error Messages, Continued
Format Meaning
aaaa Test status
bbbb Data size (1=byte access, 2=word access,
4=long access)
cccc Address low
dddd Address high
eeee Actual data
ffff Expected data
Extended Error Format 0002:
This format is used by the DSW21 communications device self-
tests.
020 0002 aaaabbbb ccddeeff gghhiijj kkkkllll mmmmnnnn oooopppp
qqqqrrrr
Format Meaning
020 FRU for the communications option
0002 Format type for the test
aaaa Test status
bbbb MC68302 Diagnostic test number
cc Cable code for channel 1 SCC1
dd Cable code for channel 2 SCC2
ee Current hardware revision
ff Current software revision
gg Current channel under test (1, 2, 3)
hh Current electrical interface
ii Internal loopback mode (0=internal,
1=external)
jj External channel count
Continued on next page
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