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3.5-inch Floppy Disk Drive
The T4500/T4600 Family 3.5-inch Floppy Disk Drive (FDD) is a thin, high-performance reliable
drive that supports 720-KB (formatted) 2DD and 1.44-MB (formatted) 2HD 3.5-inch floppy disks.
The T4500/T4600 Family FDD is shown in Figure 1-6. The specifications for the FDD are de-
scribed in Table 1-1.
Figure 1-6 3.5-inch FDD
Table 1-1 3.5-inch FDD Specifications
Item
2-MB mode
1-MB mode
Storage capacity (KB)
Unformatted
2,000
1,000
Formatted
1,311
737
Number of heads
2
2
Number of cylinders
80
80
Access time (ms)
Track to track
3
3
Average
181
181
Head settling time
15
15
Recording track density (tpi)
135
135
Data transfer rate (Kbps)
500
250
Rotation speed (rpm)
300
300
Recording method
Modified Frequency Modulation (MFM)
Содержание T-Series T4500
Страница 4: ...1 4 Figure 1 3 T4600 T4600C System Unit Configuration ...
Страница 24: ...1 24 ...
Страница 169: ...4 54 ...
Страница 175: ...B 2 B G K N O R P Q C S I D H F T C A M E J Figure B 2 T4500 T4500C System PCB FSH4S1 Back L ...
Страница 177: ...B 4 B 2 T4600 T4600C System Board Figure B 3 T4600 T4600C System PCB FSH1S1 Front ...
Страница 178: ...B 5 Figure B 4 T4600 T4600C System PCB FSH1S1 Back ...
Страница 196: ...D 1 APPENDIX D ASCII Character Codes Table D 1 ASCII Character Codes ...
Страница 203: ...F 2 F 3 German GR Keyboard Figure F 3 German Keyboard F 4 French FR Keyboard Figure F 4 French Keyboard ...
Страница 204: ...F 3 F 5 Spanish SP Keyboard Figure F 5 Spanish Keyboard F 6 Italian IT Keyboard Figure F 6 Italian Keyboard ...