**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.

2.2Formatted capacity

Formatted capacity

Guaranteed sectors

Bytes per sector

 

 

 

120 Gbytes

234,441,648

512

 

 

 

2.2.1LBA 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.

2.3Default 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

 

 

 

 

 

 

120GB with ST9120821AS

 

4

 

 

2

 

 

 

 

 

 

 

2.5

Recording and interface technology

 

 

 

 

 

 

 

 

 

 

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/inch2 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)

 

 

 

 

 

 

 

Momentus 5400.2 SATA Removable Drive Cartridge Product Manual, Rev. C

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Image 11
Seagate 5400.2 SATA manual Formatted capacity, Default logical geometry, Physical organization, LBA mode