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8
3.5
Formatted capacities
Formatted capacity depends on the number of spare reallocation sectors reserved and the number of bytes per
sector. The following table shows the standard OEM model read capacities data. Total LBAs = read capacity
data (shown below) +1.
Formatted
(data block size
512 bytes/sector) [1]
ST336706
445DCC9h (36.704 GB) [2]
ST318406
222EE55h (18.352 GB) [2]
Notes.
[1]
Sector size selectable at format time. Users having the necessary equipment may modify the data block
size before issuing a format command and obtain different formatted capacities than those listed. See
Mode Select command and Format command in the SCSI Interface Product Manual, part number
75789509.
[2]
User available capacity depends on spare reallocation scheme selected, the number of data tracks per
sparing zone, and the number of alternate sectors (LBAs) per sparing zone.
3.6
Programmable drive capacity
Using the Mode Select command, the drive can change its capacity to something less than maximum. See the
Mode Select Parameter List table in the SCSI Interface Product Manual, part number 75789509. Refer to the
Parameter list block descriptor number of blocks field. A value of zero in the number of blocks field indicates
that the drive shall not change the capacity it is currently formatted to have. A number in the number of blocks
field that is less than the maximum number of LBAs changes the total drive capacity to the value in the block
descriptor number of blocks field. A value greater than the maximum number of LBAs is rounded down to the
maximum capacity.
3.7
Factory installed accessories
OEM Standard drives are shipped with the Cheetah 36ES Installation Guide, part number 100141983, and the
Safety and Regulatory Agency Specifications, part number 75789512, unless otherwise specified. The factory
also ships with the drive a small bag of jumper plugs used for the J2, J5, and J6 option select jumper headers.
3.8
Options (factory installed)
All customer requested options are incorporated during production or packaged at the manufacturing facility
before shipping. Some of the options available are (not an exhaustive list of possible options):
• The Cheetah 36ES Installation Guide, part number 100141983, is usually included with each standard OEM
drive shipped, but extra copies may be ordered.
• The Safety and Regulatory Agency Specifications, part number 75789512, is usually included with each
standard OEM drive shipped, but extra copies may be ordered.
Cheetah 36ES Product Manual, Rev. A
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