Table of Contents
Advertisement
Service Inf orma tion
7942 and 7946
READOUT
(HEX)
10
IE
IF
20
21
22
23
24
25
26
27
28
29
2A
2B
2C
20
4-16
Table 4- 2. Disc Drive (Unit 0) Self -Test Subtest List (Continued)
SUBTEST
GROUP 4
Scan ID failed due to data error.
Scan ID failed, reason indicated in disc controller IC status register.
Scan ID failed, reason indicated in disc controller IC error register.
A seek failed in the seek test, command did not complete.
A seek failed in the seek test, command completed - but no seek complete
status.
A seek failed in the seek test, command completed in failure.
A Scan
10
failed in the seek test.
A Scan
10
in the seek test indicates that the drive is on the wrong track.
Was not able to complete all the seeks in the seek test within the allotted
time.
GROUPS
While attempting to read one sector at the outer diameter, either the seek or
the read failed.
While attempting a write then read of one sector at the
00,
either the seek
or the write failed.
While attempting a write then read of one sector at the
00,
either the read
failed, or the data read did not match that written.
While attempting a write then read of one sector on surface 0, either the seek
of the wri te failed.
While attempting a write and then read of one sector on surface 0, either the
read failed, or the data read did not match that written.
After a successful write then read of one sector on every surface (with a
unique pattern for each surface), test produced a seek failure, a read failure,
or data different from that written.
While attempting a write then read of one sector on surface 1, either the seek
of the wri te failed.
While attempting a write and then read of one sector on surface 1, either the
read failed, or the data read did not match that written.
Advertisement
Table of Contents
