Momentus 4200.2 Product Manual, Rev. C
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*One Gbyte equals one billion bytes when referring to hard drive capa city. Accessible capacity may vary depending on operating environment
and formatting.
2.3 Default logical geo metryLBA 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 Model Formatted capacity* Guaranteed sectors Bytes per sector
ST9120824A 120 Gbytes 234,441,648 512
ST9100825A 100 Gbytes 195,371,568 512
ST980829A 80 Gbytes 156,301,488 512
ST960812A 60 Gbytes 117,210,240 512
ST950814A 50 Gbytes 97,692,174 512
ST9402112A 40 Gbytes 78,140,160 512
ST930218A 30 Gbytes 58,605,120 512
Cylinders Read/write heads Sectors per track
16,383 16 63
Model Read/write heads Number of discs
ST9120824A 4 2
ST9100825A 4 2
ST980829A 3 2
ST960812A 2 1
ST950814A 2 1
ST9402112A 2 1
ST930218A 1 1