Seagate ST980829A - Momentus 4200.2 - Hard Drive, Product Manual

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6 Momentus 4200.2 Product Manual, Rev. A
2.4 Physical organization
2.5 Recording and interface technology
2.6 Physical characteristics
Model Read/write heads Number of discs
ST9120824A 4 2
ST9100825A 4 2
ST980829A 3 2
ST960812A 2 1
ST9402112A 2 1
ST930218A 1 1
Technology Specification
Interface Parallel ATA
Recording method RLL 0,11
Recording density BPI (bits/inch typical) 778k
Track density TPI (tracks/inch typical) 126k
Areal density (Mbits/inch
2
max) 98.2
Spindle speed (RPM) (± 0.2%)
4,200 RPM-class performance (actual spin speed: 5,400 RPM)
Internal data-transfer rate OD (Mbytes/sec max) 37
I/O data-transfer rate (Mbytes/sec max) 100 (Ultra DMA mode 5)
Interleave 1:1
Cache buffer 8 Mbytes (8,184 kbytes)
Height (mm)
(inches) 9.5 +/-0.2
0.374 +/-0.008
Width (mm)
(inches) 69.85 +/-0.25
2.750 +/-0.010
Length (mm)
(inches) 100.2 +/-0.25
3.945 +/-0.010
Typical weight (grams)
(pounds) 100
0.22