Radio Shack TRS-80 Hardware Manual page 41

Appendix
A
Initializing
Your
System Manually
Overview
As
stated
in
Chapter
4,
the
HARDGEN
program
sets
up a
system
confiyuieliuii
uainy
spetifii; ijatleins.
BKuauas
Ltieae
jjat
terns are
limited,
you
may
want
lo
manually
initialize
from
TRSDOS
Ready.
Before attempting
to
use
this.
prnnerinrft
man
this
appendix and Appendix
B completely Appendix B
describes an
alternate
initialization
procedure, the head-by-head assignment
option
ot
HAKLKahN,
which you
may
find
simpler
and
better suited
to
yogr purposes.
Also,
be suns you have backups
ol
your
TRSDOS
diskette.
Hard
Disk
Initialisation Diskette,
and any
information on
your
hard
disk
drives.
Before beginning
the
manual
initialization,
turn
off
all
equipment,
and
obtain the
Media
Error
Map
from
trie
bottom
ol
each
hard
disk
dnve.
Yuu
Aril
I
netj?o
I
Ms
in
fun nation
whwri you run the
loi
matting
program.
For
more
information
on some
o*f
the
commands
used
in
this
appendix,
refer to
your
Model
4MPDf$k
System Owner's Manual,
Using
manual
initialization,
you can separate
each
physical
hard
disk
drive
into
logical drives,
or
partitions.
In addition,
you can
Ueieriniriti
it
14
yiiu
yf t>au!i
logical drive
by
selecting
tne
number
of
readfwrite
heads
to
assign
lo
il
On
a
S-megabyte hard
disk,
each head
arirk
1,3fi
megabytes
rn
ths
%\?$
of the
drive.
On
a
15-megabyte hard
disk,
each head adds
2.5a
megabytes.
"You
can
assign as
many
as
4 heads
to
each
logical
drive.
For example, a
15-
megabyte
hard disk
u»r
might
allocate
Hcodo
1
through 4
to Logical Drive
1,
making
it
a
10-
megabyte
drive,
and
Heacs
5
and 6
to
Logical Drive
2,
making
ii
a
5-megabyte
drive.
To
configure your hard disk manually, you must do
the following:
1.
Set up
the
logical drives. (Specify
their
numbers and
sizes J
2.
Formal the
drives,
3.
Move
the operating
system
to the hard
disk.
4.
Make
the hard
disk the
system
device.
5.
Store tha configuration on
the Boot
Diskette,
:>5