Restore Full Configuration; Test Total Memory - NCR PC4i Service Manual

board testing each increment separately.
4. If the message'Error
displayed,
indicated. This RAM is soldered into the main
processor board; therefore, the board should be
r e p la ced
corrected.
5. If the error message "1701" is displayed on
screen an error in the fixed disk is indicated.
This may be due to: fixed disk not connected,
device
defective or no power to device.
6. If the computer now appears to be operating
properly in all respects at full configuration
(the power-on diagnostics have displayed no
error, the operating system is booted from the
diskette, and the system prompt, A> (or other),
is displayed),
nonoperative
successfully.
7. If the
properly, use either of the diskette-based sets
o f d i a g n o s t i c
identification of the problem.

RESTORE FULL CONFIGURATION

TEST TOTAL MEMORY

1. If the configuration switches indicating the
amount of memory were set to the minimum 256 KB,
raise the setting in minimum KB increments until
the actual total amount of memory installed in
this computer is indicated. Retest after each
incremental setting to determine whether any
problem exists with any specific bank of memory.
If the amount of memory indicated on the screen
as tested
installed, go to step 2.
an error
to assure
defective,
the procedure to recover from a
condition has
computer is
is less
BASIC TROUBLESHOOTING
in Base
in l o w er
the p r o b l e m
fixed disk
been
still not
r o u t i n e s
than the
Meiory* is
128 RAM
has been
c o n tr o l l er
completed
functioning
to a t t e m p t
total a m o u nt
2-19
is