10-6 Specifications
Diskette Drive
The specifications for the diskette drive are included in the following table.
Diskette Drive Specifications
Feature
Specification
Diskette Drive
NEC Diskette Drive FD1231H
Recording Capacity
High density mode:
Unformatted:
2.00/1.00 MB
Formatted:
1440 KB (512B 18 Sec)
720 KB (256B 18 Sec)
Normal density mode:
Unformatted:
1.00/0.50 MB
Formatted:
640 KB (256B 16 Sec)
320 KB (128B 16 Sec)
Data Transfer Rate
High density mode:
500/250 Kbit/sec
Normal density mode:
250/125 Kbit/sec
Disk Speed
300 rpm
Number of Tracks
160 (80 tracks x 2 sides)
Maximum Bit Density
High density mode:
17434/8717 BPI
Normal density mode:
8717/4359 BPI
Seek Time
3 ms
Head Setting Time
15 ms
Tracks per Inch
135 TPI
Recording Mode
MFM/FM
Temperature
Operating: 4
°
to 46
°
Relative Humidity
20
°
to 80
°
Dimensions (W x H x D)
25.4 mm x 101.6 mm x 146 mm
Weight
430 grams (typical)
Содержание POWERMATE PROFESSIONAL 9000E - SERVICE
Страница 14: ...1 System Overview Configurations Features Components ...
Страница 92: ...4 System Board Sockets and Connectors Jumpers Components Resources ...
Страница 120: ...5 Expansion Boards Sound Board Graphics Board Network Board ...
Страница 132: ...7 Preventive Maintenance System Cleaning Keyboard Cleaning Mouse Cleaning ...
Страница 136: ...8 Troubleshooting Checklist Diagnostics ...
Страница 146: ...9 NEC CSD Information Services Service Telephone Numbers Technical Support Product Information FaxFlash Service ...
Страница 176: ...A Release Notes General Notes Windows NT Issues ...