Seagate MARATHON 810, Product Manual

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Specification summary table
The specifications listed in this table are for quick reference. For details
on specification measurement or definition, see the appropriate section
of this manual.
Drive Specification ST9816AG
Guaranteed Capacity (
×
10
6
bytes)
810
Guaranteed sectors 1,583,568
Bytes per sector 512
Default sectors per track 63
Default Read/Write heads 16
Default cylinders 1,571
Physical read/write heads 8
Discs 4
Recording density (bits/inch) 90,000
Track density (tracks/inch) 3,807
Areal density (Mbits/inch
2
) 342
Spindle speed (RPM) 4,500
Internal data-transfer rate (Mbits/sec, max) 44
I/O data-transfer rate (Mbytes/sec, max) 16.6
ATA data-transfer modes supported PIO modes 0, 1, 2, 3, 4;
Multiword DMA modes 0, 1, 2
Cache buffer (Kbytes) 120
Height (inches, max) 0.754
Width (inches, max) 2.76
Depth (inches, max, excluding I/O pins) 4.010
Weight (ounces, typical) 7.4
Track-to-track seek time (msec, typical) 6 (read), 7 (write)
Average seek time (msec, typical) 16 (read), 20 (write)
Full-stroke seek time (msec, max) 26 (read), 28 (write)
2 Marathon 810 (ST9816AG) Product Manual, August 1995