Seagate Hawk 2 ST11900N, Руководство по эксплуатации продукта

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6 Product Manual - Hawk 2 Family SCSI-2 (Volume 1), Rev. C
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4.2 Unformatted and formatted capacities
Formatted capacity depends on the number of spare reallocation sectors reserved and the number of bytes per
sector. The following table shows some typical formatted capacities.
Spare Sectors or Cylinders ST12400N/ND/NC ST11900N/ND/NC
Reserved for reallocation 512[1] 1024[1] 512[1] 1024[1]
MB MB
No Spares 2165 2279 1709 1799
12 Spare Sectors Per Cylinder [2]
2 Spare Cylinders per Unit [3]
2148 2245 1700 1758
One Spare Sector per Cylinder
2 Spare Cyl. per Unit [3]
2162 2275 1707 1795
Unformatted Capacity 2537 2003
Notes.
[1] Bytes per sector. 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. User available capacity depends on spare reallocation scheme selected. See Mode Select Command
and Format Command in the SCSI Interface Product Manual P/N 77738479.
[2] Twelve spare sectors are on one track. ST11900 has 6 spare sectors per cylinder.
[3] Spare cylinders are on the inner tracks.
The standard OEM model is as follows:
Formatted Data Block Size* Unformatted
512 Byte/Sector
ST12400N/ND/NC 2148 MB 2537 MB
ST11900N/ND/NC 1700 MB 2003 MB
*Twelve spare sectors per cylinder, two spare cylinders/unit for ST12400
Six spare sectors per cylinder, two spare cylinders/unit for ST11900
4.3 Options (factory installed)
The capacities shown in paragraph 4.2 are available upon request. Other capacities can be ordered depending
on sparing scheme and sector size requested.
The following options are incorporated at the time of production. See Section 12.0.
•
Front panel (green LED) - See Figure 3.0-1
•
Installation Manual P/N 77767451
4.4 Optional accessories (user installed)
The following accessories are available. All kits may be installed in the field. See Section 13.0.
•
Front Panel Kit (with green LED) - See Figure 3.0-1
•
Single Unit shipping pack kit
•
Installation Guide P/N 77767451
•
Adapter Accessory Frame Kit P/N 75790701 (adapts 3.5-inch drive to fit in 5.25-inch drive mounting
space)