Seagate 810 manual Specification summary table, Drive Specification ST9816AG

2 Marathon 810 (ST9816AG) Product Manual, August 1995

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 (×106 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/inch2)	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)