IBM 39M5657, User Manual

Page: 37 / 120

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
7
appears in the
Single-character Display (SCD). If you cycle past
7
, continue to press the
Unload Button until it displays again.
4. To select the function, press and hold the Unload Button for three seconds.
After you select the function,
7
flashes and the drive automatically starts the
test.
v
If the test is successful, it loops and begins again. To half the test, press the
Unload Button. The test continues to the end of its loop and then stops. The
drive then displays
0
and exits maintenance mode.
v
If the test fails,
9
displays, the test stops, and the drive exits maintenance
mode. To resolve the error, locate
9
in Table 9 on page 45
Function Code 8: Unmake FMR Tape
Function Code
8
erases the field microcode replacement (FMR) data and
rewrites the cartridge memory on the tape. This converts the cartridge into a valid
scratch (blank) data cartridge.
Attention: Customers should only attempt this step when requested by IBM
service.
1. Place the drive in maintenance mode. For instructions, see “Entering
Maintenance Mode” on page 15.
2. Press the Unload Button once per second until
8
appears in the SCD. (If you
cycle past the desired code, press the Unload Button once per second until the
code reappears.)
3. Press and hold the Unload Button for three or more seconds, then release it to
select function
8
. The SCD changes to a flashing
C
.
4.
Insert the FMR data cartridge (or the tape drive exits maintenance mode). The
SCD changes to a flashing
8
. The tape drive erases the firmware on the tape
and rewrites the header in the cartridge memory to change the cartridge to a
valid scratch (blank) data cartridge:
v If the operation is successful, the tape drive displays function code
0
,
rewinds and unloads the newly converted scratch data cartridge, and exits
maintenance mode.
v
If the operation is not successful, an error code displays. To determine the
error, locate the code in Table 9 on page 45. To clear the error, turn the power
off, then on again.
Operating the Drive
21