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Momentus 5400.2 SATA Removable Drive Cartridge Product Manual, Rev. C
5
**Typical notebooks will pull power to the drive when entering S3 and S4; while in the S3 and S4 states, drive sleep and drive standby modes
will not contribute to battery power consumption.
2.2 Formatted capacity
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 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.
2.4 Physical organization
2.5 Recording and interface technology
Formatted capacity Guaranteed sectors Bytes per sector
120 Gbytes 234,441,648 512
Cylinders Read/write heads Sectors per track
16,383 16 63
Drive model Read/write heads Number of discs
120GB with ST9120821AS 4 2
Interface Serial ATA (SATA)
Recording method 16/17 EPRML
Recording density BPI (bits/inch max) 778k
Track density TPI (tracks/inch max) 126k
Areal density (Mbits/inch
2
max) 98.2
Spindle speed (RPM) (± 0.2%) 5,400
Maximum Internal transfer rate (Mbytes/sec) 42
I/O data-transfer rate (Mbytes/sec max) 150
Interleave 1:1
Cache buffer 8 Mbytes (8,192 kbytes)