Tape Test Procedure - HP 64100A Service Manual

Model 64100A - Performance Verification
d. If data exists on track 34, a READ/WRITE test is not performed and a
message indicating this is displayed on the CRT. If track 34 is
available, the following is performed:
7. Known data on side 0, sector 0 is READ.
8. A random data pattern is written to side 0,
sector 1.
9.
The pattern is read from side
°
sector 1 and
compared l-Tith what was written.
10. Steps 7,8 and 9 are repeated on track 34,side 1.
4-27. TAPE TEST PROCEDURE.
NOTE
It is recommended that PV on the cassette tape option not be
performed with a cassette with data stored on it. During PV
read/write functions are done which will result in loss of
existing data on the tape. Refer to the tape control and
drive manual for more information.
Purpose:
The TAPE TEST will test every function of the tape system.
Area Tested:
The hole detectors, high speed reverse, high speed forward search, the
record capabilities, read/write circuitry and servo fail detection.
Operation:
When executing the PV, The following sequence is performed:
a. Rewind tape to load point.
b. Write an ID file on track
°
c. Write data file on track O.
d. Write end of valid data gap on track O.
e. Rewind tape to load point.
f. Write ID 1 file on track 1.
g. Write data 1 file on track 1.
h. Write ID 2 file on track 1.
MF
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