Radio Shack TRS-80 - Page 64

Technical
Specifications
5-Meg 15-Meg
Disk RPM
3G00
Recording Capacity unformatted;
per
drive (megabytes} 6,38
per surface
(megabytes) T.ba
per track
(kilobypi.es)
10.40
Recording
density
(BPl)
Step
mm
(milHseuunUii)
Access time (milliseconds)
Maximum
track-to-track
average
head
settling
time
7690
175
3
99
•5
Disk mechanical
dimensions (inches}
height 3,25
width
5L75
length 8.00
Hard disk drive case
dimensions
(inches)
height
14.00
width 5£0
length
15,00
Backwail dearance
requirement
(inches) 3
Hard disk drive
system power
120 VAC, 60 HZ.
.90 amps
Disk
power
+ 1ZV
du
+
/-
10%
1,5
amps typical,
5 amps
typical
motor start.
+
5Vdc
-/-
5%
15 amps
typical.
Environmental ambient
temperature
operating
12.fl
a
C
to
29,4*0
(5£*F to 85
D
F)
n
onoperati
ng
-
40
°
C
to
60°
C
( -40
a
F 10
140
D
F)
Relative humidity 6% to 80%
Max. wet bulb
temperature
26°C
without
condensation
3600
19.14
&19
10X0
9090
#1
175
3
So
15
125
5.75
B.0Q
14.0(9
5.50
15.00
120 VAC. 60 HZ,
.90 amps
1.5
amps,
typical,
5
amps
typical
moior start.
!
.5 amps typical,
12.8*0
to
29,4*0
(55°F to
RS°F)
-40°C to eo^c
(-40°F
to
140°F)
6 % to 80%
26
<J
C
without
con den sari on
60