Seagate ST94811AB ユーザーズマニュアル
Momentus Blade Server Product Manual, Rev. B
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.
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)