Seagate ST360019A Formatted capacity, Default logical geometry, Physical organization, LBA mode

2.2Formatted capacity

	Formatted	Guaranteed
Model	capacity	sectors	Bytes per sector
ST3160022A	160 Gbytes	312,581,808	512
ST3120025A	120 Gbytes	234,441,648	512
ST380012A	80 Gbytes	156,301,488	512
ST360019A	60 Gbytes	117,231,408	512

2.2.1LBA mode

When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1,where n is the number of guaranteed sectors as defined above.

See Section 4.1.2, "Identify Device command" (words 60-61 and 100-103) for additional information about 48- bit addressing support of drives with capacities over 137 Gbytes.

2.3Default logical geometry

Cylinders	Read/write heads	Sectors per track
16,383	16	63

2.4Physical organization

Model	Read/write heads	Number of discs
ST3160022A	4	2
ST3120025A	3	2
ST380012A	2	1
ST360019A	2	1

2.5Recording and interface technology

Interface	ATA
Recording method	16/17 EPRML
Recording density BPI (bits/inch max)	595,000
Track density TPI (tracks/inch max)	94,600
Areal density (Mbits/inch2 max)	56.3
Internal data-transfer rate OD (Mbytes/sec max)	85.4
Sustained data transfer rate OD (Mbytes/sec max)	48
I/O data-transfer rate (Mbytes/sec max)	100 (Ultra DMA mode 5)
Interleave	1:1
Cache buffer	1 Mbyte (1,024 kbytes)

U Series 9 Product Manual, Rev. D 5