Product manual

20
Barracuda 7200.9 PATA Product Manual, Rev. F
2.2 Formatted capacity
*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environ-
ment and formatting.
2.2.1 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.
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.
2.3 Default logical geometry
Model
Formatted
capacity*
Guaranteed
sectors Bytes per sector
ST3500841A 500 Gbytes 976,773,168 512
ST3500641A 500 Gbytes 976,773,168 512
ST3400833A 400 Gbytes 781,422,768 512
ST3400633A 400 Gbytes 781,422,768 512
ST3320833A 320 Gbytes 625,142,448 512
ST3320633A 320 Gbytes 625,142,448 512
ST3300822A 300 Gbytes 586,072,368 512
ST3300622A 300 Gbytes 586,072,368 512
ST3250824A 250 Gbytes 488,397,168 512
ST3250624A 250 Gbytes 488,397,168 512
ST3200827A 200 Gbytes 390,721,968 512
ST3160812A 160 Gbytes 312,581,808 512
ST3160212A 160 Gbytes 312,581,808 512
ST3120814A 120 Gbytes 234,441,648 512
ST3120213A 120 Gbytes 234,441,648 512
ST3802110A 80 Gbytes 156,301,488 512
ST3402111A 40 Gbytes 78,165,360 512
Cylinders Read/write heads Sectors per track
16,383 16 63