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Momentus Blade Server Product Manual, Rev. A 5
2.2 Formatted capacity
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
Model Formatted capacity Guaranteed sectors Bytes per sector
ST94811AB 40 Gbytes 78,140,160 512
Cylinders Read/write heads Sectors per track
16,383 16 63
Model Read/write heads Number of discs
ST94811AB 2 1
Technology Specification
Interface Parallel ATA
Recording method RLL 0,11
Recording density BPI (bits/inch max) 642,000
Track density TPI (tracks/inch max) 100,780
Areal density (Mbits/inch
2
max) 65
Spindle speed (RPM) (± 0.2%) 5,400
Internal data transfer rate OD (Mbytes/sec max) 48.25
Sustained data transfer rate OD (Mbytes/sec max) 34.5
I/O data transfer rate (Mbytes/sec max) 100 (Ultra DMA mode 5)
Interleave 1:1
Cache buffer
ST94811AB 8 Mbytes (8,192 kbytes)