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Radio Shack TRS-80
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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

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