Specifications

8 Hawk 2XL Product Manual, Rev. B
3.5 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 512 byte sector size [1] formatted capacities (rounded off).
The standard OEM model is as follows:
Notes.
[1] Sector size selectable when formatted at factory.
[2] All spare sectors are on one track.
[3] Spare cylinders are on the two inner tracks.
[4] Sparing equivalent to eight spare sector per cylinder (all spare sectors are on one track), two spare cylin-
ders/unit.[3]
[5] Sparing equivalent to five spare sectors per cylinder (all spare sectors are on one track), two spare cylin-
ders/unit.[3]
3.6 Factory installed accessories
OEM Standard drives are shipped with Installation Guide P/N 77767490 (unless otherwise specified). The fac-
tory also ships with the drive a small bag of the two jumper plug types used for the option select jumper head-
ers.
3.7 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 capacities shown in Section 3.5. Other capacities can be ordered depending on sparing scheme and
sector size requested.
• Black plastic front panel. Other panel colors may be specially ordered. Panel has a green, rectangular LED
drive activity indicator lens. The indicator glows when the drive is selected.
• Single unit shipping pack. The drive is normally shipped in bulk packaging to provide maximum protection
against transit damage. Units shipped individually require additional protection as provided by the single unit
shipping pack. Users planning single unit distribution should specify this option.
• The Installation Guide (P/N 77767490) is usually included with each standard OEM drive shipped, but extra
copies may be ordered.
3.8 Accessories (user installed)
The following accessories are available. All accessories may be installed in the field.
• Front Panel Kit (with green rectangular LED lens).
• Single unit shipping pack.
• Adapter Accessory Frame Kit P/N 75790701. This kit adapts a 3.5 inch Model “N” and “W” drives to fit in a
5.25 inch drive mounting space. The frame does not work for “WC” model drives which plug directly into a
bulkhead or backplane connector.
ST32151 GB
ST32155 GB
ST31051 GB
ST31055 GB
Spare Sector or Cylinders
Reserved for reallocation
No Spares 2.18 1.07
Five Spare Sectors per Cylinder [2] - 1.06
Ten Spare Sectors per Cylinder [2] 2.15 -
Formatted
Data Block Size
512 Byte/Sector
Unformatted
ST32151/ST32155 2.148 GB[4] 2.54 GB
ST31051/ST31055 1.060 GB[5] 1.26 GB
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