Digital Equipment VAXstation 3100 Maintenance Manual page 25

4 Testing
Figure 1-1
shows an example of the power-up screen display. The first line
indicates the CPU nnme (K.A42-A) and the ROM version (Vl .0
or
higher).
The test numbers (in hexadecimal) are listed next
in
descending order from
the first test,
F,
tot.he final test, 1. Note in Figure
1-1
that TESTS
4, 3,
and
2
have an underscore
L)
immediately after them (TESTS 7 and 6 have diskless
systems). This underscore (_) indicates that no option device is installed or
tested; so, no option tests are done.
KA42-A Vl.O
F ••• E •••
o .•• c ...
B ••• A ••• 9 ••• 8 ••• 7 ••• 6 ••• 5 ••• 4 •• 3 •• 2 •• 1 •••
Figure 1-1 Power-Up Tests Screen Display
An a te isk
(*) after
TESTS 7, 6, or 4
through
2
indicate
that an
option
is
installed, but
its
ROM is destroyed and the option device must be replace.d.
Only TESTS 7, 6, or 4 through 2 can have an "' after them. Table 1-2
lists
the symbols that appear
in
between the tests and what they indicate.
Table 1-2 Power-Up Symbols Defined
_De_ vic_ e tested successfully or it may have a soft error.
? ..
Device
has a hard
error.
Option device not installed or device not tested.
•
..
Opilon devi~ irt5talled, but its ROr.1 code has not been execwJted.
If any hard errors (errors that indicate the device must be replaced for proper
operation) are found during power-up testing, a question mark (?) · plRc d
after the failing test number during the countdown sequence. Note that soft
errors do not put a 7 after the failing test number during the countdown
sequence.
Figure 1-2 shows the power-up screen display with a hard error found in TEST
F and a soft error fowid in TEST E. A summary of all the errors detected
is listed after the power-up sequence is complete and is displayed before the
boot sequence is started. In the power-up summary, two question marks (??)
indicate a hard error and one ? indicates a sof1 error or a tatus for that device.
As shown in Figure 1- 2, the power-up summary consists of 7 or ?? , a
te11t
number, the ID number of the failed device, and an eight-digit code. For
example, in Figure 1-2, the first line of the power-up summary shows a hard
error for TEST F, a device ID number of
OOBO,
and a code of
0001.F002.
The second line shows a soft error for TEST E, a device ID of 0040, and a
code of
0000.0005.
The device tested by TEST F must be replaced, but the
device tested
by
TEST E only indicates a status code and does not have to