Seagate ST336854FC, ST3146954FC, ST373554FC manual Standard features, Media description

Models: ST336854FC ST373554FC ST3146954FC

1 98
Download 98 pages 12.01 Kb
Page 20
Image 20
3.1Standard features

3.1Standard features

Cheetah 15K.4 FC drives have the following standard features:

4-Gbit Fibre Channel interface. For 2 or 4 gigabit operation, the block size must be divisable by 8.

Integrated dual port FC-AL controller

Concurrent dual port transfers

Support for FC arbitrated loop, private and public attachment

Differential copper FC drivers and receivers

Downloadable firmware using the FC-AL interface

Supports SCSI enclosure services via interface connector

128-deep task set (queue)

Supports up to 32 initiators

Drive selection ID and configuration options are set on the FC-AL backpanel or through interface com- mands. Jumpers are not used on the drive.

Supports SCSI Enclosure Services through the interface connector

Fibre Channel worldwide name uniquely identifies the drive and each port

User-selectable logical block size (512 to 528 bytes per logical block). For 2 or 4 gigabit operation, the block size must be divisable by 8.

Selectable frame sizes from 256 to 2,112 bytes

Industry standard 3.5-inch low profile form factor dimensions

Programmable logical block reallocation scheme

Flawed logical block reallocation at format time

Programmable auto write and read reallocation

Reed-Solomon error correction code

Sealed head and disc assembly (HDA)

No preventive maintenance or adjustments required

Dedicated head landing zone

Automatic shipping lock

Embedded Grey Code track address to eliminate seek errors

Self-diagnostics performed at power on

1:1 interleave

Zone bit recording (ZBR)

Vertical, horizontal, or top down mounting

Dynamic spindle brake

16,384 Kbyte data buffer (see Section 4.5).

Embedded servo design

Reallocation of defects on command (Post Format)

Fibre Channel interface transports SCSI protocol

3.2Media description

The media used on the drive has an aluminum substrate coated with a thin film magnetic material, overcoated with a proprietary protective layer for improved durability and environmental protection.

8

Cheetah 15K.4 FC Product Manual, Rev. B

Page 20
Image 20
Seagate ST336854FC, ST3146954FC, ST373554FC manual Standard features, Media description