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Tandy TRS-80 4D - Page 27

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To create
a
double-sided data diskette, you
must
use
a
different
FORMAT command. After
inserting
a
double-sided
diskette in
Drive
1
,
type this command:
FORMAT
:i
( Q
=
N
,
S
I
DES
=
2 ) CENTER:
Using
Expansion Drives
If
you have expansion drives,
you
can
format
data diskettes for them also. They
may not
be able to use double-sided
diskettes, but
they can use single-sided
diskettes created in
a
double-sided drive.
You must apply the following patches to
TRSDOS in order to
use
your external drives:
I.Turn on your computer and start
up
TRSDOS with
a
backup
copy
of your
TRSDOS
System
Diskette in Drive
0.
(First,
be sure the diskette's write-protect notch
is
not covered.)
2. At
"TRSDOS Ready," type:
PATCH BOOT/SYS. LSIDQS:0
(D02,84=C3:F02,84=C9) CENTER)
PATCH BOOT/SYS. LSIDQS:0
CD02,8E=C3:F02,8E=C9) (ENTER
)
Note: After you apply the
patches,
you
must reset the computer
before using the
external drives.
3. At
"TRSDOS Ready,"
remove the diskette
from Drive and write protect
it with
a
foil
tab. Label the diskette "TRSDOS
6.x
4-
Drive Master."
4. Reinsert the patched
diskette into Drive
and make
a
backup of
it for
day-to-day use.
5.
When finished making the backup,
remove
the
diskettes. Store the
4-Drive Master
diskette in
a
safe place, with
your master
TRSDOS
System Diskette.
17