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Sony MPF420-1 3½"
1.44MB
Specification
| Access Times |
Track to Track |
3 msec |
| Settling Time |
15 msec |
| Latency |
100 msec average |
| Power Up Time |
500 msec |
| Data Transfer Rate |
1.44MB Mode |
500 Kbits/sec |
| 720KB Mode |
250 Kbits/sec |
| Drive Characteristics |
Cylinders |
80 |
| R/W Heads |
2 |
| Sector/Track |
18 |
| Disks |
DS HD |
| Encoding |
MFM |
| Rotational Speed |
300 rpm |
| Track Density |
135 tpi |
| Reliability |
MTBF |
100,000 POH |
| MTTR |
30 mins |
Dimensions
Height |
1.0 in |
25.4 mm |
Width |
4.0 in |
101.6 mm |
Depth |
5.9 in |
150 mm |
Weight |
0.94 lb |
425 g |
Environment
|
Non Operating |
Operating |
| Temperature |
-40°C to 60°C |
5°C to 50°C |
| Humidity |
5% to 95% |
8% to 80% |
| Altitude |
-1000 to 30,000 ft |
-1000 to 10,000 ft |
| Vibration |
2.0 G |
0.5 G |
| Shock |
70 G |
5 G (No errors) |
| Power (+5V
±10%) |
Current Standby |
10 mA max. |
| Read/Write |
220mA typical. |
| Motor Start |
680mA max. |
| Step during motor rotation |
850mA max. |
Jumper Settings
| DS 0 - 5 & 10 Jumpered |
| DS 1 - 15 & 10 Jumpered |
| Default jumper setting is DS1. |
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