Before
selecting
this
function,
attach
an
LDI
or
RS-422
wrap
plug
to
the
drive’s
LDI
or
RS-422
connector
(in
place
of
the
LDI
or
RS-422
cable).
1.
Make
sure
that
no
cartridge
is
in
the
drive,
and
the
appropriate
wrap
plug
is
attached
to
the
RS-422
connector.
2.
Place
the
drive
in
Maintenance
Mode.
For
instructions,
see
3.
Press
the
Unload
Button
once
per
second
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
no
error
is
detected,
the
diagnostic
will
loop
and
begin
again.
To
stop
the
loop,
press
the
Unload
Button
for
one
second
and
release.
When
the
loop
ends,
0
temporarily
appears
in
the
SCD.
v
If
an
error
is
detected,
the
Status
Light
flashes
amber
and
the
drive
posts
an
error
code
to
the
SCD.
To
determine
the
error,
locate
the
code
in
To
clear
the
error
either
turn
the
power
off
and
then
on
again,
or
reboot
the
drive
by
pressing
and
holding
the
Unload
Button
for
10
seconds.
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.
1.
Place
the
drive
in
maintenance
mode.
For
instructions,
see
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.
The
drive
then
ejects
the
cartridge
and
exits
Maintenance
Mode.
Note:
If
you
inserted
an
invalid
tape
cartridge
(e.g.
Gen1
or
WORM
media),
error
code
7
appears
in
the
SCD.
If
you
inserted
a
write-protected
cartridge,
or
the
media
has
read-only
compatibility
(e.g.,
Gen2
media),
error
code
P
appears
in
the
SCD.
In
either
case,
the
tape
drive
unloads
the
cartridge
and
exits
Maintenance
Mode
after
the
cartridge
is
removed.
Chapter
3.
Operating
3-15
Summary of Contents for H4S
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