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eingetragen von enigma am 11.08.2006 16:22 Uhr
| Titel: |
Seagate ST251 MFM HDD |
| Kategorie: |
diverse |
| Baujahr: |
leider unbekannt |
| Beschreibung: |
31 MB MFM Festplatte von Seagate |
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Kommentarbereich zu Seagate ST251 MFM HDD |
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06.09.2006, 14:55 Uhr
Unformatted Capacity
MB per drive 51.2
Bytes per cylinder 62,496
Bytes per track 10,416
Formatted Capacity
MB per drive 42.8
Bytes per cylinder 52,224
Bytes per track 8,704
Bytes per sector 512
Sectors per track 17
Drive Organization
Type 30
Tracks 4,920
Cylinders 820
Read/write heads 6
Servo heads TBD
Discs 3
Bits per inch TBD
Tracks per inch TBD
Functional Specifications
Rotational speed 3600 rpm 5%
Recording method MFM
Interface ST412
Data transfer rate 5.0 Mbit/sec
Access Time
Track to track 8 ms
Average 40/28 ms
Full stroke 95/70 ms
Average latency 8.33 ms
Error Rates
Recoverable read errors 1 per 10E10 bits read
Nonrecoverable read errors 1 per 10E12 bits read
Seek errors 1 per 10E6 seeks
Reliability
MTBF 35 KB On/hours
MTTR TBD
Service life 5 years
Operational Environment
Temperature 50 to 113F
Temperature gradient 18F/hour
Relative humidity 8% to 80%
Maximum wet bulb TBD
Power Requirements
+12 VDC 5% 0.5 A typical
At power up 2.0 A maximum
+5 VDC 5% 1.0 A typical
Power 11 W
Physical
Height 1.63 inches