IBM 25R0012 User Guide - Page 37

Function, Unmake

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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

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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