Read Only Drive A Test - NCR PC4i Service Manual

C
(
C
LEVEL 1 DIAGNOSTICS
Read Only - Verifies an entire NCR PC standard foraat disk in one of the
installed drives. To check disk rotational speed accuracy, execute the
FLEXIBLE DISK SPEED Utility.
Read/llrite - Perfor1s
a
foraat/Nrite/read on selected sectors that are
reserved by the diagnostic systea in a DDS file. This is a destructive test
on those reserved sectors. To check disk rotational speed accuracy, Hecute
the FLEXIBLE DISK SPEED Utility,
<F3> Return to previous 1enu
Read
Only
Drive A Test
If selection 1 of the Flexible Disk Drive test menu
is chosen, the Read Only test is run on drive A. The
name of the test is displayed while the test is in
progress:
r
_READ CJILY, FLEXIBLE DRIVE
A
PASSED
\.
<F2> Ta .. 1net1 Ton Modulo
<F3>
Roturn ta prov1auo Hnu
Upon completion of the test, either the PASSED
message or an ERROR message is added to the display.
Refer to Chapter 5 of this manual for a description
of error messages and recommended cor·rective actions.
4-29