Seagate ST96023A, ST980825A, ST94015A Drive specifications, Specification summary, Specifications

2.0Drive specifications

Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate ST910021A. ST980825A, ST96023A and ST94015A model drives.

2.1Specification summary

The specifications listed in this table are for quick reference. For details on specification measurement or definition, see the appropriate section of this manual.

Table 1:	Specifications
Drive specification		ST910021A	ST980825A	ST96023A	ST94015A
Formatted Gbytes (512 bytes/sector)		100	80	60	40
Guaranteed sectors		195,371,568	156,301,488	117,210,240	78,140,160
Bytes per sector		512
Physical read/write heads		4	4	3	2
Discs		2	2	2	1
Cache (Mbytes)		8
Recording density, BPI (bits/inch max)		700,000
Track density. TPI (tracks/inch max)		114,000
Areal density (Bbits/inch2 max)		81
Spindle speed (RPM)		7,200
Internal data transfer rate OD (Mbits/sec max)		539
Sustained data transfer rate OD (Mbytes/sec)		45.8
I/O data-transfer rate (Mbytes/sec max)		100
ATA data-transfer modes supported		PIO modes 0–4
		Multiword DMA modes 0–2
		Ultra DMA modes 0–5
Height		9.5 +/-0.2 mm (0.374 +/-.0078 inches)
Width		69.85 +/-0.25 mm (2.75 +/-0.0098 inches)
Length		100.2 +/-0.25 mm (3.945 +/-0.0098 inches)
Weight (typical)		115 grams (0.254 lb)
Average latency (msec)		4.2
Power-on to ready (typical)		4 seconds
Standby to ready (typical)		3 seconds
Startup current 5V (peak)		1.1 amps
Track-to-track seek time (msec typical)		1.5 (read), 2.0 (write)
Average seek, read (msec typical)		10.5
Average seek, write (msec typical)		12.5
Full-stroke seek (msec)		22 (typical); 28 (max)

Momentus 7200.1 PATA Product Manual, Rev. C 3