Unformatted And Formatted Capacities - Seagate ST12450W Product Manual

8
4.2
4.3
4.4

Unformatted and Formatted Capacities

Standard OEM models are formatted to have 512-byte sectors.
ST12450 drives have nine (9) spare sectors per cylinder and one (1) spare
cylinder per unit.
Formatted
1,849 Mbytes
Users having the necessary equipment may modify the data block size
before issuing a format command to obtain different formatted capacities.
User-available capacity also depends on the spare reallocation scheme
selected. See the Mode Select command and the Format command in the
SCSI-2 Interface Product Manual (part number 77738479).
Options (factory installed)
The capacity shown in Section 4.2 is normally provided. Other capacities
can be ordered depending on the sparing scheme and sector size re-
quested.
The following options are incorporated at the time of production. See
Sections 12.0 and 13.0.
• Front panel (green lens), part number 70869751
• Barracuda 2, 2HP Installation Guide, part number 83328890
Optional accessories
The following accessories are available. All kits may be installed in the field.
See Section 13.0.
• Front -panel kit (with green lens)
• Single-unit shipping pack kit
• Adapter accessory frame kit, part number 75790701 (adapts a 3.5-inch
drive to fit in a 5.25-inch drive mounting space)
ST12450W/WD Product Manual, Rev. A
Unformatted
2,437 Mbytes