Seagate ST34321A Product Manual - Page 13

Drive specifications - model

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Medalist 8641, 6531, 4321, 3221 and 2110, Rev. B 5 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 ST38641A, ST36531A, ST34321A, ST33221A and the ST32110A. 1.1 Formatted capacity Drive Guaranteed Mbytes Guaranteed Model (1 Mbyte = 106 bytes) sectors Bytes per sector ST38641A 8,606 16,809,660 512 ST36531A 6,505 12,706,470 512 ST34321A 4,303 8,404,830 512 ST33221A 3,227 6,303,024 512 ST32110A 2,111 4,124,736 512 Note. DOS systems cannot access more than 528 Mbytes on a drive unless 1) the host system supports and is configured for LBA addressing or for extended CHS addressing, 2) the host system contains a specialized drive controller, or 3) the host system runs BIOS translation software. Contact your Seagate® representative for details. 1.1.1 Default logical geometry CHS Mode Cylinders Read/Write heads Sectors per track ST38641A 16,383 16 63 ST36531A 13,446 15 63 ST34321A 8,894 15 63 ST33221A 6,253 16 63 ST32110A 4,092 16 63 LBA Mode When addressing either drive 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.

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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
ST38641A, ST36531A, ST34321A, ST33221A and the ST32110A.
1.1
Formatted capacity
Drive
Model
Guaranteed Mbytes
(1 Mbyte = 10
6
bytes)
Guaranteed
sectors
Bytes per
sector
ST38641A
8,606
16,809,660
512
ST36531A
6,505
12,706,470
512
ST34321A
4,303
8,404,830
512
ST33221A
3,227
6,303,024
512
ST32110A
2,111
4,124,736
512
Note.
DOS systems cannot access more than 528 Mbytes on a drive
unless 1) the host system supports and is configured for LBA ad-
dressing or for extended CHS addressing, 2) the host system
contains a specialized drive controller, or 3) the host system runs
BIOS translation software. Contact your Seagate
®
repre-
sentative for details.
1.1.1
Default logical geometry
CHS Mode
Cylinders
Read/Write heads
Sectors per track
ST38641A
16,383
16
63
ST36531A
13,446
15
63
ST34321A
8,894
15
63
ST33221A
6,253
16
63
ST32110A
4,092
16
63
LBA Mode
When addressing either drive 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.
Medalist 8641, 6531, 4321, 3221 and 2110, Rev. B
5