Quantum DLT-S4 Betriebsanweisung
Chapter 13 Using the Tape Drive
Power-On Self-Test
DLT-S4 Product Manual
113
Power-On Self-Test
13
The DLT-S4 tape drive system performs a self-diagnostic test, called a
Power-On Self-Test (POST) each time you turn on the tape drive (see
). This test helps in detecting problems with the tape drive.
POST completes in approximately 10 seconds. While POST is running,
the tape drive system responds
BUSY
to SCSI commands, but will
respond to various SCSI messages.
During POST, the tape drive responds in the following ways.
During POST, the tape drive responds in the following ways.
It may take longer than the duration of POST for the tape drive to become
ready.
Eject Button
N/A
Press
Use the
Eject
button to eject the cartridge from the tape
drive. When you press the button, the tape drive
completes any active writing, then ejects the cartridge.
This button also “parks” the soft-load mechanism for
This button also “parks” the soft-load mechanism for
shipping. For instructions, see
for detailed cartridge
handling procedures.
If the host tries to negotiate...
The tape drive...
synchronous transfer
negotiates to asynchronous
wide transfer
negotiates to narrow
LED/Button/
Port Title
Port Title
Color and
Symbol
Symbol
State or
Action
Action
Explanation
Notes:
Whenever the tape drive resets, all LEDs illuminate briefly and then illuminate in sequence
until the reset completes (see
table 36
on page 114 for a complete description).
Whenever the tape drive encounters an error, all LEDs flash together.