Seagate MOMENTUS 42.2 ST9100822A, Product Manual

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6 Momentus 42.2 Product Manual, Rev. A
2.5 Recording and interface technology
2.6 Physical characteristics
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) 85
Spindle speed (RPM) (± 0.2%)
4,200 RPM-Class Performance
(Actual spin speed 5,400 RPM)
Internal data-transfer rate OD (Mbytes/sec max) 48.25
Sustained data transfer rate OD (Mbytes/sec max) 38.0
I/O data-transfer rate (Mbytes/sec max) 100 (Ultra DMA mode 5)
Interleave 1:1
Cache buffer 8 Mbytes (2,048 kbytes) on ST9100822A, ST9808210A and
ST960821A
2 Mbytes (2,048 kbytes) on ST9402113A, and ST930219A
Height (mm)
(inches)
9.5 +/-0.2
0.374 +/-0.0078
Width (mm)
(inches)
69.85 +/-0.25
2.75 +/-0.0098
Length (mm)
(inches)
100.2 +/-0.25
3.945 +/-0.0098
Typical weight (grams)
(pounds)
102
0.225