Seagate MARATHON 1680, Руководство по эксплуатации продукта

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Specification summary table
The specifications listed in this table are for quick reference. For details
on a specification measurement or definition, see the appropriate section
of this manual.
Drive Specification
Marathon
2250
Marathon
1680
Guaranteed Mbytes (1 Mbyte=10
6
bytes) 2,250 1,680
Guaranteed sectors (LBA mode) 4,394,940 3,282,490
Bytes per sector 512
Default sectors per track 63 63
Default read/write heads 16 16
Default cylinders 4,360 3,256
Physical read/write heads 10 8
Discs 5 4
Recording density (bits/inch, max) 120,000
Track density (tracks/inch) 5,555
Areal density (Mbits/inch
2
) 666
Spindle speed (RPM) 4,508
Internal data-transfer rate (Mbits/sec max) 60.8
I/O data-transfer rate (Mbytes/sec max) 16.6
ATA data-transfer modes supported PIO modes 0, 1, 2, 3, 4 and
multiword DMA modes 0, 1, 2
Cache buffer (Kbytes) 103
Height (mm max) 17.2
Width (mm max) 70.1
Length (mm max) 100.45
Weight (grams typical) 204 200
Track-to-track seek time (msec typical) 4 (read), 5 (write)
Average seek time (msec typical) 12 (read), 14 (write)
Full-stroke seek time (msec max) 26 (read), 28 (write)
Average latency (msec) 6.65
2 Marathon 2250 and Marathon 1680 Product Manual