Quantum DLT 4000 Product Manual page 157

e. The Tape in Use and the Write Protect indicators blink,
showing the subsystem recognizes the firmware update mode
has been selected.
f. If selecting firmware update mode is not successful (for
example, because of not pushing the Unload button properly
the second time), the Write Protect indicator should stop
blinking within several seconds. Try the procedure again.
3. Once you have selected the firmware update mode, press the OCP
EJECT button twice, which causes the receiver door to open. The
Write Protect and Tape In Use indicators stop blinking, even though
the subsystem is still in Update mode.
4. Place a magazine with the Firmware Update Tape in the first slot in
the loader receiver and close the receiver. (The remainder of the
update procedure goes faster if the magazine contains only the
firmware update cartridge. But the procedure still works if other
cartridges are present.)
5. Press the Load/Unload button to load the Firmware Update Tape into
the drive.
6. Once you have selected the firmware update mode, 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 DLT4700 firmware image
Firmware update mode is automatically cleared at this point.
If the firmware image is valid and:
d. If the drive code is up-to-date, the drive code does not go
through an update.
e. If the drive code is not up-to-date, the drive code goes through
an update, taking 2 to 3 minutes.
f. While the drive code goes through the update, the Write
Protect and Tape in Use indicators flash alternately.
DLT4000/DLT4500/DLT4700 Cartridge Tape Subsystem 7-15
Firmware Update (From Tape)