Tandy TRS-80 Owner Manual & Programming Manual page 92

APPENDIX
F,
SPECIFICATIONS
Type
of disks
Disk Organization
(Formatted
disk)
Operating Temperature
Memory
Capacity
Unformatted
Soft sector
(I/O sector/track)
Access
Time
Track
to
track
Average
Settling
time
Number
of indexes
Weight
of
Disk Drive
Disk Controller
5V4" mini-diskettes
Radio Shack Catalog
Number
26-305
26-405 (package
of three)
or
26-406 (package
of 10)
Single-sided
Double-density
35 tracks
18 sectors
per track
256 data bytes per
sector
Directory
on
track 17
18
to
113 degrees
Fahrenheit
10
to
45 degrees Centigrade
218.8 kilobytes per disk
6.2
kilobytes per track
179.1 kilobytes
per disk
5.1
kilobytes per track
Data
transmission
speed
250
kilobits
per second
5
m
sec.
100
m
sec.
15
m
sec.
1
3.8
kg.
WD1793
82