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CPU
Zilog
Table 5-1. SPUD Diagnostic Error List (Continued)
CPU
STATUS
SDR#
VDAT
DS}
DS2
DS3
DS4
REG
I
*
-
Characters of SPUD message printed before entering test
*. -
Fatal error preventing further memory-related tests from being run
*.. -
The TCU test may take up to two minutes if the drive
is
busy or if the 'busy' status bit
is
stuck. The
last
two TCU error messages dump out the contents of the status registers for troubleshooting.
Pn - Test parameters of error printed (in hexadecimal):
SEG #
segment number
ADDR
address offset
TO
test
data
RD
returned
data
MMU
PORT #
full work port number of
MMU
under test
MMU
CMD #
MMU
port number with
command
'ored' in
SDR FIELD I
indicates a particular SDR in the range
0-255
MMU
ID I
ID
of MMU(s) returned from
a
segment trap
} = code
MMU
2 =
data
MMU
4
=
stack
MMU
logical segment number or set of SDR's
(0-63)
violation
data
from a single
MMU
trapping
(HB)-
bus cycle status register data
(LB)-
violation type register data
woe
detailed status - disk ready register
- disk status register
- operation error status
- self
-test error status
register port number of unit under test
no parameter printed
SMC status port contents
When the. diagnostics
ar.ecomplete..themaxjmum.aYailab1e~mun~will
be.
cUs-pJay~ ~_JQU9~
(}Qt
iJ1
hexadecimal):
POWER UP DIAGNOSTICS
ACTIVE PERIPHERALS:
woe
TCC
MDC
SMC
COMPLETE
MAXSEG
=
<xx>
5-5
Zilog
5-5
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