Drive Specifications; Formatted Capacity; Default Logical Geometry - Seagate ST320410ACE Product Manual

U Series CE Family Product Manual, Rev. A

1.0 Drive specifications

Unless otherwise noted, all specifications are measured under ambient
conditions, at 25°C, and nominal power. For convenience, the phrases
the drive and this drive are used throughout this manual to indicate the
S T 3 8 0 0 2 0 A C E , S T 3 6 0 0 1 0 A C E , S T 3 4 0 8 1 0 A C E a n d t h e
ST320410ACE.

1.1 Formatted capacity

Drive Model Formatted Gbytes
ST380020ACE
ST360020ACE
ST340810ACE
ST320410ACE

1.1.1 Default logical geometry

CHS Mode
ST380020ACE
ST360020ACE
ST340810ACE
ST320410ACE
LBA Mode
When addressing drive in LBA mode, all blocks (sectors) are consecu-
tively numbered from 0 to n–1, where n is the number of guaranteed
sectors as defined above .
Guaranteed
sectors
80 156,301,488
60 117,231,408
40 78,165,360
20 39,102,336
Cylinders Read/Write
heads
16,383
16,383
16,383
16,383
Bytes per
sector
512
512
512
512
Sectors per
track
16 63
16 63
16 63
16 63
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