Formatted (16 Records/Track)
Per
Disk
Per Track
Per Sector
Formatted (10 Records/Track)
Per Disk
Per Track
Per
Sector
Transfer
Rate
Latency (avg.)
Access
Time
-rrack to Track
Average
Settling Time
SA455 (40 Track)
SA465
(80 Track)
Single Density Double Density Single Density Double Density
163,840 327,680 327,680 655,360
2,048 4,096 2,048
4,096
128 256 128
256
204,800
409,600
409,600 819,200
2560 5120 2560
5120
256 512 256
512
125 kbits/sec 250 kbits/sec
125 kblts/sec 250 kblts/
sec
100
ms
100
ms
100
ms
100
ms
6
ms
6
ms
3
ms
3
ms
93
ms
93
ms
94
ms
94
ms
15
ms
15
ms
15
ms
15
ms
1.2.2
Functional
Specifications
Motor Start
Til11('
Hotatlotlal Speed
Recording Density
Flux Density
Track Density
Media Requirements
Soft sectored
16
sectors
hard sectored
10
sectors
hmd sectored
Industry standard flexible diskette
Oxide on
O.OO~
in. (0.08 mm) Mylar
5.25
In.
(133.4
111m)
square jacket
1.2.3
Physical
Specifications
500
ms
500
ms
500
ms
500
ms
300 rpm 300 rpm 300 rpm 300 rpm
2938 bpi 5876 bpi 2961 bpi
5922 bpi
5876
fcl
5876 fci 5922
fcl
5922
fcl
48
tpi
48 tpi 96 tpl
96 tpl
SA154 SA154
SA164 SA164
SA155 SA155 SA165
SA165
SA157
SA157 SA167 SA167
Environmental
Limits
Ambient Temperature
Relative Humiditv
Maximum Wet
Bulb
Shock
Vibration
Operating
. 50° to
11soF
(10.0° to 46.1°C)
20 to
80%
78°F (25.6°C)
0.5G 10
rns
0.5G 5-600 Hz
Shipping
-40
0
to
144°F
(.40° to 62.
2°C)
1 to 95%
No Condensation
15G 10
ms
3G 5-600 Hz
Storage'
_8°
to 117°F
(-22.2° to 47.2°C)
1 to 95%
No Condensation
35G 10
ms
3G 5-600
Hz
.DC Voltage Requirements
+·12 V ± 10% @ 1.2 A (max),
0.6
A (typ), 100
mV
ripple
+ 5 V ± 5% @
0.9
A
(max:),
0.6
A (typ), 50
mV
ripple
Mechanical Dimensions (exclusive
of front panel)
Width : 5.75 Inches (146.1 mm)
Height:
1.62 Inches (41.1 mm)
Depth
:::::.
7.96 inches (202 mm)
Weight
= :t:3Ibs (1.5
kg)
Power Dissipation = 9.6 Watts (34.0 BTU) continuous typical
3.6 Watts
(13;.5
BTU) standby
NOTE
Standby: Drive motor
off.
dr.lve
select
off, and stepper
at
reduced current.
1·2
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