Seagate ST3250310ASIM, ST3200826AS manual Formatted capacity, Default logical geometry, LBA mode

2.2Formatted capacity

Model	Formatted capacity	Guaranteed sectors	Bytes per sector
ST3400832AS and ST3400632AS	400 Gbytes	781,422,768	512
ST3300831AS and ST3300631AS	300 Gbytes	586,072,368	512
ST3250823AS and ST3250623AS	250 Gbytes	488,397,168	512
ST3200826AS	200 Gbytes	390,721,968	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 4.3.1, "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

LBA 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.

10 Barracuda 7200.8 Serial ATA Product Manual, Rev. F