When to use the low-level format program, Preparing the hard disk drive for use, When – IBM 6643 User Manual
Page 20: Low-level, Format, Program, Preparing, Hard, Disk, Drive
When
to
use
the
Low-Level
Format
program
Notes
1.
The
low-level
format
is
not
available
on
all
diagnostic
diskettes.
2.
Before
formatting
the
hard
disk
drive,
make
a
backup
copy
of
the
files
on
the
drive
to
be
formatted.
Use
the
Low-Level
Format
program
in
the
following
situations:
v
When
you
are
installing
software
that
requires
a
low-level
format.
v
When
you
get
recurring
messages
from
the
test
programs
directing
you
to
run
the
Low-Level
Format
program
on
the
hard
disk.
v
As
a
last
resort
before
replacing
a
hard
disk
drive.
Preparing
the
hard
disk
drive
for
use
When
the
Low-Level
Format
program
is
finished,
restore
to
the
hard
disk
all
the
files
that
you
previously
backed
up.
1.
Partition
the
remainder
of
the
hard
disk
for
the
operating
system.
(The
commands
vary
with
the
operating
system.
Refer
to
the
operating
system
manual
for
instructions.)
2.
Format
the
hard
disk
using
the
operating
system.
(The
commands
vary
with
the
operating
system.
Refer
to
the
operating
system
manual
for
instructions.)
3.
Install
the
operating
system.
You
are
now
ready
to
restore
the
files.
12
Hardware
Maintenance
Manual