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Table 9. Diagnostic and maintenance functions (continued)
Function Code 2 - Update Tape Drive Firmware from FMR Tape
Causes the tape drive to load updated firmware from a field microcode replacement (FMR) tape.
Attention: Do not power-off the tape drive while loading code.
1. Make sure that no cartridge is in the drive.
2. Within a 1.5-second interval, press the unload button three times. The status light becomes solid amber, which
means that the drive is in maintenance mode.
3. Press the unload button once per 1.5 seconds until 2 appears in the single-character display. If you cycle past 2,
continue to press the unload button until it redisplays.
4. To select the function, press and hold the unload button for 3 seconds. After you select the function, C flashes.
When C flashes, the drive is waiting for a cartridge. Within 60 seconds, insert the FMR tape cartridge (or the tape
drive exits maintenance mode). After you insert the cartridge, 2 flashes and the tape drive loads the updated
firmware from the FMR tape cartridge into its erasable programmable read-only memory (EPROM) area:
v If the update completes successfully, the tape drive displays 0, rewinds and unloads the FMR tape, resets
itself, and is ready to use the new firmware.
v If the update fails, the tape drive posts an error code to the single-character display (to resolve the error, see
Table 15 on page 67). The drive then unloads the FMR tape and exits maintenance mode.
Function Code 3 - Create FMR Tape
Causes the tape drive to copy its field microcode replacement (FMR) data to a scratch data cartridge.
Attention: If you select this function, the tape drive will overwrite existing data on the scratch data cartridge.
1. Make sure that no cartridge is in the drive.
2. Within a 1.5-second interval, press the unload button three times. The status light becomes solid amber, which
means that the drive is in maintenance mode.
3. Press the unload button once per 1.5 seconds until 3 appears in the single-character display. If you cycle past 3,
continue to press the unload button until it redisplays.
4. To select the function, press and hold the unload button for 3 seconds. After you select the function, C flashes.
When C flashes, the drive is waiting for a cartridge. Within 60 seconds, insert a scratch data cartridge that is not
write protected (or the tape drive exits maintenance mode). After you insert the cartridge, 3 flashes and the tape
drive copies the FMR data to the scratch data cartridge:
v If the tape drive creates the FMR tape successfully, it displays 0, rewinds and unloads the new FMR tape, and
exits maintenance mode.
v If the tape drive fails to create the FMR tape, it displays 7, unloads the FMR tape, and exits maintenance
mode.
Chapter 4. Operating 37