Seagate S ST91603010AS Computer Drive User Manual


 
Momentus Thin Series SATA Product Manual, Rev. B 5
2.2 Formatted capacity
Model Formatted capacity* Guaranteed sectors Bytes per sector
ST92503010AS 250 GB 488,397,168
512
ST91603010AS 160 GB 312,581,808
*One GB equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment
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 4.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48-
bit addressing support of drives with capacities over 137 GB.
2.3 Default 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.
2.4 Physical organization
Drive model Read/write heads Number of discs
ST92503010AS
2 1
ST91603010AS
2.5 Recording and interface technology
Interface Serial ATA (SATA)
Recording method Perpendicular
Recording density BPI (bits/in avg) 1434k
Track density TPI (tracks/in avg) 265k
Areal density (Gb/in
2
avg) 380
Spindle speed (RPM) (± 0.2%) 5400
Maximum Internal transfer rate (Mb/s) 1175
I/O data-transfer rate (MB/s max) 300
Interleave 1:1
Cache buffer 8 MB (8,192 KB)