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Diagnostic Test 11 0 (Tape Pack Conditioner)
A scratch tape is needed for this test.
The tape is moved to EOT then rewound at the archive rewind speed.
Buffer Card Tests
Diagnostic Test 120 (Buffer Register Test)
Write to and read from all of the buffer card registers to verify their ability to receive
and hold data.
Diagnostic Test 121 (Buffer Function Test)
Perform push and pop operations from the buffer controller, verifying counter and
address operation, parity circuitry, and prefetch latching.
Diagnostic Test 122 (Buffer Storage Test)
Buffer card di rect-access storage is tested for the ability to receive and hold data.
This test destroys data in the data buffer.
Diagnostic Test 128
This test is not used.
Diagnostic Test 129
This test is not used.
Interface Card Tests
Diagnostic Test 140 (SCIPI Module Test)
Checks out operations of the SClPl module.
Diagnostic Test 141 (On-Board Hardware Tests)
Checks out additional on-board functions.
Tape Unit Operational Tests
All of these tests, with the exception of host to buffer operations, need a scratch tape
loaded.
Diagnostic Test 150 (Write Density ID)
Parameter A
=
1600 or 6250 density. The tape must be at BOT.
Diagnostic Test 151 (Write Test Record)
Parameter A
=
test record size.
A single record is generated in the controller card and written to tape.
B-16
9348 Service Information
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