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Sony MPF920-E 3½"
1.44MB Floppy
Specification
| Vendor |
Sony |
| Model |
MPF920-E/133 |
| Apricot Part Number |
PT16036031 |
| Interface |
Apricot / Sony |
| Interface Burst Transfer Rate |
1 Mbit |
| LED Colour |
Green |
| Chassis Type |
Steel |
| Unformatted MFM, Storage
Capacity |
Mode 1, bytes per disk |
1,000,000 |
| Mode 2, bytes per disk |
2,000,000 |
| Mode 3, bytes per disk |
1,600,000 |
| Maximum Formatted Storage
Capacity |
Mode 1, MFM |
720 KB |
| Mode 2, MFM |
1.44 MB |
| Mode 3, MFM |
1.2 MB |
| Media Transfer Rates |
Mode 1, bits/s for MFM |
250,000 (31.25 kB/s) |
| Mode 2, bits/s for MFM |
500,000 (62.5 kB/s) |
| Mode 3, bits/s for MFM |
500,000 (62.5 kB/s) |
Performance
| Rotational Speed (RPM) /
Latency |
Mode 1/2 |
300 RPM / 100ms |
| Mode 3 |
360 RPM / 83ms |
| Recording Density, BPI |
Mode 1, MFM |
8,717 |
| Mode 2, MFM |
17,434 |
| Mode 3, MFM |
14,528 |
| Average Seek Time |
94 ms |
| Track to Track Slew Rate |
3 ms |
| Head Settling Time, maximum |
15 ms |
| Motor Start Time, maximum |
500 ms |
| Power Supply Voltage |
+5V DC |
| Power Supply Tolerance |
±10% |
| Stand-by Current |
3 mA |
| Read / Write Current |
300 mA |
| Motor Start Current (maximum) |
930 mA |
| Step / Seek during motor rotation
(maximum) |
960 mA |
| Power Consumption: R/W Operation |
1.5 W |
| Power Consumption: Stand-by mode |
17 mW |
| MTBF |
80,000 hrs |
Dimensions
Height |
25.4 mm |
Width |
101.6 mm |
Depth |
148 mm |
| Mounting holes |
M3 |
Weight |
430 g |
Environment
| Temperature Range |
Operating |
5°C Minimum |
| 50°C Maximum |
| Non Operating |
-40°C Minimum |
| 60°C Maximum |
| Humidity Range |
Operating |
8% Minimum |
| 80% Maximum |
| Non Operating |
5% Minimum |
| 95% Maximum |
| Vibration |
Operating |
0.5G, 10-100Hz |
| Non Operating |
2G, 10-500Hz |
| Shock |
Operating |
5G, 11 ms ½ Sine |
| Non Operating |
70G, 11 ms ½ Sine |
Jumper Settings
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