Maxtor 100451230 User Manual
14
DiamondMax 21 Serial ATA Product Manual, Rev. A
2.2
Formatted capacity
*One Gbyte 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.
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.
bit addressing support of drives with capacities over 137 Gbytes.
2.3
Default logical geometry
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.
where n is the number of guaranteed sectors as defined above.
Model
Formatted
capacity*
Guaranteed
sectors
Bytes per sector
STM3320620AS
320 Gbytes
625,142,448
512
STM3320820AS
320 Gbytes
625,142,448
512
STM3250824AS
250 Gbytes
488,397,168
512
STM3250820AS
250 Gbytes
488,397,168
512
STM3160815AS
160 Gbytes
312,581,808
512
STM3160215AS
160 Gbytes
312,581,808
512
STM380815AS
80 Gbytes
156,301,488
512
STM340215AS
40 Gbytes
78,165,360
512
Cylinders
Read/write heads
Sectors per track
16,383
16
63