Microscience_3.5_HH_Brochure_1989.pdf

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"JDV
I 4
,989
3.5 inch Half-Height Disk Drives
HIGH PERFORMANCE 44 to 110 Mbyte CAPACITIES
_______________________________
FASTER18ms
•• •••
Microsci~nceM
•••
•
TM
.
.
•
•
•
•
4ms track to track access
18ms average positioning time
Closed loop dedicated servo system
Voice coil technology
Single PCB with SMD-VLSI circuitry
ST506, SCSI, ESDI, AT choices
•
Patented magnetic actuator lock
•
Dedicated head landing zone
•
Dynamic spindle brake
•
Low power consumption
• •
•••
•
1M
•••
MiC3~?n~~~g~~~~ance
1M
Winchester
DL Driv@
sk
4070
74.2
MB
62.3
MB
512 bytes
17
5
Mb/s
4 ms
18 ms
40
ms
14,445
bpi
1,250 tpi
1,024
4
7
1
MFM
11
watts
ST506/412
SP~CIFICATIONS
6100
124.6 MB
110.3 MB
512 bytes
36
10
Mb/s
4
ms
18 ms
40 ms
25,406
bpi
1,250 tpi
855
4
7
1
RLL
(2
,7)
11
watts
SCSI
Model No.
Capacity Unformatted
Capacity Formatted
Per
sector
Sectors per track
Data Transfer Rate
Seek Time (incl. settling)
Track to
track
Average
Maximum
4050
53.3 MB
44.5 MB
512 bytes
17
5 Mb/s
4 ms
18 ms
40 ms
4060
80.0
MB
66.8
MB
512 bytes
26
7.5 Mb/s
4 ms
18 ms
40 ms
21,668
bpi
1,250 tpi
1,024
3
5
1
RLL
(2,7)
10
watts
ST506/412
4090
111.3
MB
93.4
MB
512 bytes
26
7.5
Mb/s
4 ms
18
ms
40
ms
21
,668
bpi
1,250
tpi
1,024
4
7
1
RLL
(2,7)
11
watts
ST506/412
5100
124.6 MB
110.3 MB
512 bytes
36
10 Mb/s
4
ms
18 ms
40 ms
25,406 bpi
1,250 tpi
855
4
7
1
RLL
(2,7)
11
watts
ESDI
7100
124.6 MB
110.3MB
512
bytes
36
10 Mb/s
4 ms
18
ms
40 ms
25,406 bpi
1,250
tpi
855
4
7
1
RLL
(2
,7)
11
watts
AT
Model No.
Capacity Unformatted
Capacity Formatted
Per
sector
Sectors per track
Data Transfer
Rate
SeekTime (incl. settling)
Track to track
Average
Maximum
Functional Specifications
Recording density
Track density
Cylinders per
surface
Platters
Read write heads
Servo heads
Recording
code
Typical power dissipation
Interface
Functional Specifications
14,445 bpi
Recording density
1,250
tpi
Track density
1,024
Cylinders
per
surface
Platters
3
Read
write
heads
5
Servo heads
1
Recording
code
MFM
10
watts
Typical
power dissipation
Interface
ST506/412
GENERAL SPECIFICATIONS:
- - - - - - - - - - - - - - - - - - - - - - - - -
Reliability Specifications
MTBF
(typical
usage)
36
,000
poh
Preventive maintenance
none
Component
life
5 years
Error rates
Soft read
errors
in
10
10
bit
read
Hard read
errors
in
10
12
bit
read
Seek errors
in 10
6
seeks
Power Requirements
DC
vo
lt
age
Environmental Limits (operating)
Ambient temperature
40°
to 122°F
(5° to 50°C)
Relative humidity
8%
to 80
%
non-condensing
78°F non-condensing
(25
.5
°C)
Wet bu
lb
,
maximum
Altitude
0 to 10,000
ft
.
Vibration
5
to
500
Hz, 1.0
G
10
G,
11 ms
Shock
Mechanical Dimensions
Height
Width
Length
Weight
1.625 in
.
4.000
in
.
5.750
in.
2.0
lb
.
+
12
±5
%
volts
@
O.6A typical
2.0A
starting
+
5 volts
±5
%
@
O.5A
typical
Environmental Limits (non-operating)
Ambient temperature
-40°
to 140°F
(-40°
to
60°C)
Relative humidity
8% to 80%
non
-condensing
Wet bulb, maximum
78°F
non-condensing
(25.5°C)
Altitude
-1
,000
to
40
,000
ft
.
Vibration
5
to
500
Hz,
2.0 G
Shock
60 G,
11
ms
Safety Approvals
UL,
CSA,
TUV
DISTR
IBUTOR
:
Average Latency
8.33
ms
MICROSCIENCE INTERNATIONAL CORPORATION
CORPORATE
HEA~QUARTERS
EUROPEAN SALES
Albert-Schweitzer-Str
.
66
0-8000
,
Mun
chen 83
,
WEST GERMANY
(49) 89-671062
ASIA/PACIFIC SALES
12
FL
,
No. 51-2
,
Sec
.
4, Nanking East Rd
.
Taipei
,
TAIWAN
(8862)
715-5650
305
N. Mathilda
Avenue
Sunnyvale, CA 94086
(408) 730-5965

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