Quantum DLT 4000 Product Manual page 152

Firmware Update (From Tape)
elevator stops scanning the magazine. Press the Load/Unload button to load the
code update tape into the tape drive.
The DLT4500 code revision is
the same revision as that of the
update tape
The DLT4500 code revision is
not the same revision as that of
the update tape
4. During a DLT4500 code update, the drive:
a. Automatically reads the tape.
_________________________ NOTE ____________________________
Calibration and directory processing cause the tape to move for a few
minutes before data is actually read.
b. Examines the data.
c. Verifies the data is a valid DLT4500 code image. When the drive code
update completes, the controller's flash EEPROM memory is updated
with the new code image.
d. Resets and goes through POST, and the code update tape cartridge
returns to the magazine. The LDR RDY message displays.
5. If the code update succeeds, the mini-library resets itself. A magazine scan takes
place.
7-10 DLT4000/DLT4500/DLT4700 Cartridge Tape Subsystem
If Then
The DLT4500 code does not go through
an update.
The DLT4500 code goes through an
update, taking about 5 minutes.