Specifications
TRS-80
Mini-Disk
system
-
Fast,
Efficient
Mass
storage
Uror
Inoqtondve'
5%
-lnch
Magrnetlc
Mhl-DltL€ttat
Radio
Shack's
rnrnl-diskettes
are
perfed
for use
with
ou!
mini-disk
system
Each
diskette
is
individually
certified
against
defects
and
designed
to
meet
TRS-80
standards.
Extensive
testing
assules
1OO%
compaiibi.lity
Avai]a-ble
srngly
as
26-0305,5
95
ormaPackof3as
26-0405,
16.95.
Ouantitv
Savings
on Blank
Diskettes
-
3-Packs
Only
orrantrtv
!;acn
,;*
1-l
Attach
Urt
to 4
Drives
lor
On-Line
Storage
of
307'qn
Bytei
Specifications
Disk
Format:
35
Tracksi
10 Sectors
per Track;
256 Bvtes
per
Sector;
89,600
Bytes
per
Disk-
ette. brst iize:
5%
floppv
disk
Data
1lansfer
-Rare
12.500
bltes
persecond
D,sk Speed
3OO
RPM.
Larenry'
100
mS
(average)
fte'k
Access Timer
2OO
mS
average
600
mS to
cross
all35
tracks.
Average
Backup
Ttme:
7:14
minutes
(incLudinq
formattngl
Memory
Us
aoe
TRSDOS,
4 2K
RAM:
DTskBASIC'b8K
nLM. Po-"r,
l2OVAC,
60
Hz' 35
watts.
U
L
Listed.
Sie; 61/,
x312
x731/a
Storo
Largo
AnouDtt
of
Data
8lrd
PrograDr
lot AlDott
lrltalt
Acce
The
TRS-80
Mini-Disk
system
is a
stor'
aqe
medium
allowing
immediate
access
to-
th"
latg'a
u-oatttts
of
data
and
pro-
qrams
vou
will
need
fol accountmg
rn-
ientorv
co.ttrol
mailing
lists
and
other
iobs.
Up
to
4 drives
can
be attached
ituor-rgh
th"
E*p^ttsion
Interface
fur-
nishin;
49,900
to
about
307.000
bwes
of
on-IurJstorage
The
frlst
Mu
-Disk
drive
vou
purchase
includes
oul
powerflrl
inSbOS'r
(Disk
Operating
System
software)
and
Disk
BASIC
on
diskette
This
diskette
allows
about
50K
of
usel
storaqe
space.
TRSDOS
and
Dlsk
BASIC
,r=" Jo..,i
t0K of
rhe
TRS-B0
s RAM'
so a
minimum
of
16K
is
reguired'
along
wlth
Level
tr ard
an
Expansion
Interface
Each
of
the
diskette's
35
tracks
consists
of ten
256-blte
sedors.
Cedain
system
information
and
a duectory
are
reqLrued
on
each
diskette,
Ieavilg
85'760
bytes
of
space
available
(each)
on
the
second
third
and
foudh
drive
A 13,000-blte
program which
taLes
3y,
milutes
to Ioad
from
cassette
tape
(Level
II)
wiU
load
in
less
than
20 sec-
onds
from
disk.
AJld
You
may
read
information
one
file after
the other
(sequential),
or
go
diredly
to any
sector
without
reading
the
preceding fites
(random)
The
svstem
diskette
containing
TRSDOS
and
Disk
BASIC
must
always
be
jn
your
first
dlive
unit.
TRSDOS
allows
you
to
copy
a
diskette
(BACKUP)
even
1rI
a
one
ddve
system.
Fol Mini-Disk
drive
I,
order
26-1160,
499.00.
For
MiniDisks
II' trI or
ry
ordei
26-1161,499.00
each.
5-9
10-19
15.95
13.95
?n-rrh 11.95
Dlshett€
Storago
Box
Static-free
design
protects up
to 50
mrnr-diskettes.
Adaptable
to
hold
cassel
Le tapes.
Boxes
aJe
stackable
Smoke-tint
cover,
durable
molded
plastic.
6-5/16x10-1/16x7
-
1I/
16
26-7450
.
' 1995
Note:
A]l
accessories
in
ihrs catalog
may
not
be stocked
at
some
stores
and
dealers