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6 Momentus Thin Product Manual, Rev. C Gen-2
3.2 Formatted capacity
Formatted capacity* Guaranteed logical blocks (LBA) - 512 emulation Bytes per physical sector
ST320LT007 - 9ZV142
ST320LT009 - 9WC142
ST320LT011 - 9ZVG42
ST320LT014 - 9YK142
625,142,448
4096
ST250LT007 - 9ZV14C
ST250LT009 - 9WC14C
ST250LT011 - 9ZVG4C
ST250LT014 - 9YK14C
488,397,168
ST160LT007 - 9ZV14D
ST160LT009 - 9WC14D
ST160LT011 - 9ZVG4D
ST160LT014 - 9YK14D
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.
3.2.1 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 logical blocks (LBA) as defined above.
See Section 6.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48-
bit addressing support of drives with capacities over 137GB.
3.3 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 logical blocks (LBA) as defined above.
3.4 Physical organization
Models Read/write heads Number of disks
320GB models
2
1250GB models
160GB models 1