Digital Equipment VAXstation I Service Manual page 57

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HAIRTBNARCE
Table 3-1:
Microverify Error Codes (continued)
+- - .••• - - - . - -+-. - - - ...••• - - - - - - • - . - - - • - •• - •• - - - - - - - - - • - - - - - - - - - -+
I
CODE
I
DESCRIPTION/ACTION
I
+ •••••• - - - • - • +· •.• - - •.....•.....•. - •.•.•.....• - - - - - - - - - - - . - - - - . -+
4
Undertermined error in DAP/MCT
interface.
Could
be OAP, MCT, or interconnect cable.
3
Memory error.
Run CPU
(EHKAA)
and memory
(EHXMS)
diagnostics.
2
Boot
device
controller.
was
not
found.
Check
RQDXl
1
Unable to boot from selected
device
(media/drive
fault).
BLINKING 7
BLINKING 6
BLINKING 5
BLINKING 4
BLINKING 3
BLINKING 2
(period) Primary
bootstrap
successful.
passed to secondary bootstrap.
Control
Scan line map test failed if either blinking 7 or
blinking 6 is displayed.
Replace the VCBOl.
power-up
self-test
failed.
cable
and
BClBT-10
video
or replace the keyboard,
or
Keyboard
keyboard
connections,
the VCBOl.
Check
cable
replace
DUART polled loop-back test failed.
VCBOl.
Replace
the
Bitmap memory test failed.
Replace the VCBOl.
Register probe test failed:
aJ
Make
sure
the
VCBOl
is
in
the
correct
backplane
slot
(see
Chapter
2,
subsection
2. 1) •
b)
Make sure the MSA is
set
to
3840 k.
VCBOl
switch pack El4, Sl:S4 all
OFF.
C)
Replace VCBOl.
3.3

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