NEC 日电 软驱

型    号

特    性
FD1231H 1.44 MB, 3.5 Inch
FD1238H 1.44 MB, 3.5 Inch
FD5839H 1.2MB/1.44MB, 5.25 Inch (dual function)
FD1139H 1.44MB, 3.5 Inch, Low Profile
FD1138H 1.44 MB, 3.5 Inch　
FD1148H 1.44 MB, 3.5 Inch　
FD1155C 1.2MB, 5.25 Inch
FD1157C 1.2MB, 5.25 Inch
FD1158C 1.2MB, 5.25 Inch
FD1177C 1.2MB, 5.25 Inch

　

FD1231H
1.44 MB, 3.5 Inch		 wpeF.jpg (13411 字节)
Capacity :
 
Formatted:
720 KB mode = 720 KB
1.44 MB mode = 1.44 MB
Unformatted:
720 KB Mode = 1 MB
1.44 MB Mode = 2 MB
Dimensions
Height: 
1.0 in/25.4 mm
Width: 
4.0 in/101.6 mm
Depth: 
5.75 in/146 mm
Weight: 
1.1 lb/470 G
Disk Configuration
Disk Size: 
3.5"
Track Density: 
135 tpi
Bit Density: 
720 KB Mode = 8,717 bpi
1.44 MB Mode = 17,434 bpi
Environmental
Temperature: 
Operating = 4° to 46° C
Non-operating = -20
Humidity: 
Operating = 20% to 80%
Non-operating = 10% to 90%
Performance Specifications
Seek Times: 
Track to track = 3 ms
Settle Time: 
15 ms
Interface: 
34 pin
Power
Voltage Req'd: 
+5V
Pwr Dissipation: 
Read/write mode = 1.25 watts
Stand by mode = .015
Reliability
MTBF: 
30,000 POH
MTTR: 
<30 Minutes
Device Life: 
15,000 POH or 5 years
Specifications
Rotational Rate: 
300 RPM
Data Transfer: 
720 KB Mode = 250 KB/s
1.44 MB Mode = 500 KB/s

　

FD1238H
1.44 MB, 3.5 Inch (1/2 inch high)

wpeD.jpg (11557 字节)
Dimensions
Height: 
0.5 in/12.7 mm
Width: 
3.75 in/96 mm
Depth: 
5.0 in/126 mm
Weight: 
5.7 oz/160 g
Disk Configuration
Disk Size: 
3.5"
Track Density: 
135 tpi
Bit Density: 
720kb Mode = 8,717 bpi
1.44MB Mode = 17,434 bpi
Rotational Rate: 
300 RPM
Environmental
Temperature: 
Operating = 4 deg to 46 deg C
Non-operating = -20
Humidity: 
Operating = 4 deg to 46 deg C
Non-operating = -20
Shock: 
Operating = 5 G
Non-Operating = 100 G
Vibration: 
Operating = 0.5 G, 5-500 Hz
Non-Operating = 2.O G,
Performance Specifications
Seek Times: 
track to track = 3ms
Settle Time: 
15 ms
Interface: 
26 pin CMOS
Data Transfer: 
720 KB Mode = 250 KB/s
1.44 MB Mode = 500 KB/s
Power
Voltage Req'd: 
+5V
Pwr Dissipation: 
Read/write mode = 1.1 watts
Stand-by mode = .015
Reliability
MTBF: 
30,000 POH
MTTR: 
<30 minutes
Device Life: 
15,000 POH or 5 yrs
Specifications
Capacity: 
Formatted: 
720 KB mode = 720 KB
1.44 MB mode = 1.44 MB 
Unformatted: 
720 KB Mode = 1 MB
1.44 MB Mode = 2MB

　

FD5839H
1.2MB/1.44MB, 5.25 Inch (dual function)
Capacity:
 
Formatted:
5.25" Drive:
1.2MB mode = 1.2MB
720KB mode = 720KB
3.5" Drive:
1.44MB mode = 1.44MB
720Kb mode = 720KB
Unformatted:
5.25" Drive:
1.2MB mode = 1.6MB
720KB mode = 1MB
3.5" Drive:
1.44MB mode = 2MB
720Kb Mode = 1MB
Dimensions
Height: 
1.63 in/42.8 mm
Width: 
5.75 in/146 mm
Depth: 
8.2 in/208 mm
Weight: 
2.4 lb/1.2 kg
Disk Configuration
Disk Size: 
5.25", 3.5"
Tracks/Surface: 
5.25" mode = 80
3.5" mode = 80
Track Density: 
5.25" mode = 96 tpi
3.5" mode = 135 tpi
Bit Density: 
5.25" 1.2MB mode = 9,870 bpi
5.25" 720KB mode = 5,922 bpi
3.5" 1.44MB mode = 17,434 bpi
3.5" 720KB mode = 8,717 bpi
Rotational Rate:
 
5.25" 1.2MB mode = 360 RPM
5.25" 720KB mode = 300 RPM
3.5" 1.44 mode = 300 RPM
3.5" 720kb mode = 300 RPM
Environmental
Temperature:
 
Operating = 4 deg to 46 deg C
Non-operating = -20 deg to 60 deg C
Humidity:
 
Operating = 20% to 80%
Non-operating = 10% to 90%
Performance Specifications
Seek Times: 
Track to track = 3ms
Settle Time: 
15ms
Data Transfer:
 
5.25" 1.2MB mode = 500 kb/s
5.25" 720KB mode = 250 kb/s
3.5" 1.44MB mode = 500 kb/s
3.5" 720kb mode = 250 kb/s
Power
Voltage Req'd: 
+5V, +12V
Pwr Dissipation: 
Read/write mode:
5.25" drive = 2.615 watts
3.5" drive = 1.7 watts
Stand-by mode:
5.25" drive = .415 watts
3.5" drive = .415 watts
Reliability
MTBF: 
15,000 POH
MTTR: 
<30 minutes
Device Life: 
15,000 POH

　

FD1138H
1.44MB, 3.5 Inch
Capacity:
 
Formatted:
720KB Mode = 720 KB
1.44MB Mode = 1.44MB
Unformatted:
720KB Mode = 1MB
1.44MB Mode = 2MB
Dimensions
Height: 
.75 in/19 mm
Width: 
4.0 in/101.6 mm
Depth: 
5.0 in/127 mm
Weight: 
.485 lb/220 g
Disk Configuration
Disk Size: 
3.5"
Bit Density:
 
720KB Mode = 8,717 bpi
1.44MB Mode = 17,434 bpi
Rotational Rate: 
300 RPM
Environmental
Temperature: 
Operating = 4 deg to 46 deg C
Non-operating = -20 deg to 60 deg C
Humidity: 
Operating = 20% to 80%
Non-operating = 10% to 90%
Performance Specifications
Seek Times: 
Track to track = 3ms
Settle Time: 
15ms
Interface: 
26 pin or 34 pin
Data Transfer: 
720kb Mode = 250 kb/s
1.44MB Mode = 500 kb/s
Power
Voltage Req'd: 
+5V
Pwr Dissipation: 
Read/write mode = 1.5 watts
Stand-by mode = .015 watts
Reliability
MTBF: 
30,000 POH
MTTR: 
<30 Minutes
Device Life: 
15,000 POH or 5 years
Specifications
Storage Capacity
Track Density: 
135 tpi

　

FD1155C
1.2MB, 5.25 Inch
Capacity:
 
Formatted:
High density MFM mode:
@ 26 sect/trk = 1025kb
@ 15 sect/trk = 1183kb
@ 8 sect/trk = 1262kb
High density FM mode:
@ 26 sect/trk = 512kb
@ 15 sect/trk = 591kb
@ 8 sect/trk = 631kb
Normal density MFM mode:
@ 16 sect/trk = 655kb
@ 9 sect/trk = 737kb
Normal density FM mode:
@ 16 sect/trk = 328kb
@ 9 sect/trk = 368kb
Unformatted: 
High Density: MFM = 1.6MB; FM = 0.8MB
Normal Density: MFM = 1.0MB; FM = 0.5MB
Dimensions
Height: 
1.6 in/41 mm
Width: 
5.7 in/146 mm
Depth: 
7.9 in/203 mm
Weight: 
3.3 lb/1.5 kg
Disk Configuration
Disk Size: 
5.25"
Data Heads: 
2
Data Surfaces: 
2
Tracks/Surface: 
High density mode = 77
Normal density mode = 80
Track Density: 
96 tpi
Bit Density: 
High density mode = 9,646 bpi
Normal density mode = 5,922 bpi
Record Method: 
MFM, FM
Rotational Rate: 
High density mode = 360 RPM
Normal density mode = 300 RPM
Miscellaneous
Notes: 
Can read 48 tpi media
Performance Specifications
Seek Times: 
Track to track = 3ms
Settle Time: 
15ms
Data Transfer: 
High density MFM mode = 500kb/s
High density FM mode = 250kb/s
Normal density MFM mode = 250kb/s
Normal density FM mode = 125kb/s
Power
Voltage Req'd: 
+5V, +12V
Pwr Dissipation: 
Read/write mode = 4.8 watts
Reliability
MTBF: 
12,000 POH
MTTR: 
<30 minutes

　

FD1158C
1.2MB, 5.25 Inch
Capacity:
 
Formatted:
High density mode = 1.2MB
Normal density mode = 720kb
Unformatted:
High density mode = 1.6MB
Normal density mode = 1.0MB
Dimensions
Height: 
1.0 in/25.4 mm
Width: 
5.75 in/146 mm
Depth: 
7.5 in/190 mm
Weight: 
1.4 lb/670 g
Disk Configuration
Disk Size 
5.25"
Data Heads: 
2
Data Surfaces: 
2
Tracks/Surface:
 
High density mode = 80
Normal density mode = 80
Track Density: 
96 tpi
Bit Density: 
High density mode = 9,870 bpi
Normal density mode = 5,922 bpi
Record Method: 
MFM
Rotational Rate: 
High density mode = 360 RPM
Normal density mode = 300 RPM
Environmental
Temperature: 
Operating = 4 deg to 46 deg C
Non-operating = -20 deg to 60 deg C
Humidity: 
Operating = 20% to 80%
Non-operating = 10% to 90%
Performance Specifications
Seek Times: 
Track to track = 3ms
Settle Time: 
15ms
Data Transfer: 
High density mode = 500kb/s
Normal density mode = 250kb/s
Power
Voltage Req'd: 
+5V, +12V
Pwr Dissipation: 
Read/write mode = 2.6 watts
Stand-by mode = 0.4 watts
Reliability
MTBF: 
30,000 POH
MTTR: 
<30 minutes

　

FD1139H
1.44MB, 3.5 Inch, Low Profile		 wpe8.jpg (14075 字节)
Capacity:
 
Formatted:
720 KB Mode = 720KB
1.44MB Mode = 1.44MB
Unformatted:
720 KB Mode = 1MB
1.44MB Mode = 2MB
Dimensions
Height: 
0.6 in/15 mm
Width: 
4.0 in/101.6 mm
Depth: 
4.0 in/101.6 mm
Weight: 
5.5 oz/156 g
Disk Configuration
Disk Size: 
3.5"
Track Density: 
135 tpi
Bit Density:
 
720 KB Mode = 8,717 bpi
1.44MB Mode = 17,434 bpi
Rotational Rate: 
300 RPM
Environmental
Temperature:
 
Operating = 4 deg to 46 deg C
Non-operating = -20 deg to 60 deg C
Humidity:
 
Operating = 20% to 80%
Non-operating = 10% to 90%
Shock:
 
Operating = 5G
Non-operating = 80G
Vibration:
 
Operating = 0.5G @ 5-500 Hz
Non-operating = 2.0G @ 5-500 Hz
Performance Specifications
Seek Times: 
Track to track = 3ms
Settle Time: 
15ms
Data Transfer: 
720 KB Mode = 250 kb/sec
1.44MB Mode = 500 kb/sec
Power
Voltage Req'd: 
+5V
Pwr Dissipation: 
Read/write mode = 1.3 watts
Stand-by mode = .015 watts
Reliability
MTBF: 
30,000 POH
MTTR: 
<30 Minutes
Device Life: 
15,000 POH or 5 years
Specifications

　

FD1148H
1.44MB, 3.5 Inch
Capacity:
 
Formatted:
720kb mode = 720kb
1.44MB mode = 1.44MB
Unformatted:
720kb mode = 1MB
1.44MB mode = 2MB
Dimensions
Height: 
0.78 in/19.8 mm
Width: 
4.0 in/101.6 mm
Depth 
5.25 in/134 mm
Weight: 
.625 lb/290 g
Disk Configuration
Disk Size: 
3.5"
Track Density: 
135 tpi
Bit Density: 
720kb mode = 8,717 bpi
1.44MB mode = 17,434 bpi
Rotational Rate: 
300 RPM
Environmental
Temperature:
 
Operating = 4 deg to 46 deg C
Non-operating = -20 deg to 60 deg C
Humidity:
 
Operating = 20% to 80%
Non-operating = 10% to 90%
Shock:
 
Operating = 5G
Non-operating = 100G
Performance Specifications
Seek Times: 
Track to track = 3ms
Settle Time: 
15ms
Interface: 
26 pin or 34 pin
Data Transfer: 
720kb mode = 250kb
1.44MB mode = 500kb
Power
Voltage Req'd: 
+5V
Pwr Dissipation: 
Read/write mode = 1.5 watts
Stand-by mode = .015 watts
Reliability
MTBF: 
30,000 POH
MTTR: 
<30 minutes
Device Life: 
15,000 POH or 5 years

　

FD1157C
1.2MB, 5.25 Inch
Capacity: 
Formatted:
High density mode = 1.2MB
Normal density mode = 720kb
Unformatted:
High density mode = 1.6MB
Normal density mode = 1.0MB
Dimensions
Height: 
1.6 in/41 mm
Width: 
5.7 in/146 mm
Depth: 
8.0 in/203 mm
Weight: 
2.6 lb/1.2 kg
Disk Configuration
Disk Size: 
5.25"
Data Heads: 
2
Data Surfaces: 
2
Tracks/Surface: 
High density mode = 80
Normal density mode = 80
Track Density: 
96 tpi
Bit Density: 
High density mode = 9,870 bpi
Normal density mode = 5,922 bpi
Record Method: 
MFM
Rotational Rate: 
High density mode = 360 RPM
Normal density mode = 300 RPM
Environmental
Shock: 
Operating = 10G
Non-operating = 30G
Vibration: 
Operating = 0.5G @ 0-100Hz
Non-operating = 3G @ 0-100Hz
Performance Specifications
Seek Times: 
Track to track = 3ms
Settle Time: 
15ms
Data Transfer: 
High density mode = 500kb/s
Normal density mode = 250kb/s
Power
Voltage Req'd: 
+5V, +12V
Pwr Dissipation: 
Read/write mode = 4.8 watts
Reliability
MTBF: 
12,000 POH
MTTR: 
<15 minutes

　

FD1177C
1.2MB, 5.25 Inch		 wpeB.jpg (16938 字节)
Capacity: 
Formatted:
720kb mode = 720kb
1.2MB mode = 1.2MB
Unformatted:
720 kb mode = 1MB
1.2MB mode = 1.6MB
Dimensions
Height: 
1.6 in/41 mm
Width: 
5.7 in/146 mm
Depth: 
8.0 in/203 mm
Weight: 
1.6 lb/.75 kg
Disk Configuration
Disk Size: 
5.25"
Tracks/Surface: 
160
Track Density: 
96 bpi
Bit Density: 
720kb mode = 5,922 bpi
1.2MB mode = 9,870 bpi
Rotational Rate: 
720kb mode = 300 RPM
1.2MB mode = 360 RPM
Environmental
Temperature: 
Operating = 4 deg to 46 deg C
Non-operating = -20 deg to 60 deg C
Humidity: 
Operating = 20% to 80%
Non-operating = 10% to 90%
Shock: 
Operational = 5G
Non-Operational = 80G
Vibration: 
Operational = 0.5G @ 5-500 Hz
Non-Operational = 2.0G @ 5-500 Hz
Performance Specifications
Seek Times: 
Track to track = 3ms
Settle Time: 
15ms
Interface: 
34 pin edge connector
Data Transfer: 
720kb mode = 250kb/s
1.2MB mode = 500kb/s
Power
Voltage Req'd: 
+5V, +12V
Pwr Dissipation: 
Read/write mode = 2.5 watts
Stand-by mode = 0.3 watts
Reliability
MTBF: 
30,000 POH
MTTR: 
<30 minutes
Device Life: 
15,000 POH or 5

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