Formatted Capacity; Default Logical Geometry; Physical Organization; Recording And Interface Technology - Seagate Momentus ST94811AB Product Manual

2.2

Formatted capacity

Model Formatted capacity
ST94811AB 40 Gbytes
2.3

Default logical geometry

Cylinders Read/write heads
16,383 16
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

Model Read/write heads
ST94811AB 2
2.5

Recording and interface technology

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