Main Menu - NCR PC4i Service Manual

LEVEL 1 DIAGNOSTICS
Use a back-up copy of the diskette included
in the manual; the possibility
a problem with the computer could destroy
the data on the disk.
5. Turn the drive access lever clockwise to enable
the drive.
6. Turn ON any currently-attached external devices
that have separate power cords and switches
(unless the device installation instructions
specified that the device be turned on after the
processing unit).
7. Turn the computer.
8. Turn ON any currently-attached external devices
that were specified to be turned on after the
computer.
The BIOS ROM power-on diagnostics/initialization
routines
occurs each time the machine is turned on, then
DOS is loaded and the date and time should be
entered. The Diagnostics Shell is then loaded.
The main menu is displayed each
DIAGNOSTICS diskette is booted in, and each time the
user chooses to return to the main menu at the
completion of a specific test.
The main menu gives the operator the following
categories of choices:
o Run All Tests
o Run All Tests Continuously
o Test A Specific Component (or type)
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4-2
NOTE
perform the power-on testing that
MAIN MEND
(Press <F7>)
Chapter H
exists that
time the
(Press <F8>)
(Menu items
SERVICE