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16 Barracuda 18LP FC Installation Guide, Rev. A
Installing the Barracuda 18LP FC drive
To install a Barracuda 18LP FC drive, simply plug the drive
directly into your system’s Fibre Channel backpanel 40-pin sin-
gle connector attachment (FC-SCA). There are no jumpers or
terminators on the drive, and power is supplied through the con-
nector. Table 1 on page 25 lists the pin descriptions of the 40-pin
FC-SCA.
Read the following general information topics to ensure your
drive is installed properly:
• Providing adequate cooling
• Mounting the drive
• Formatting the drive
Providing adequate cooling
The enclosure design must ensure adequate cooling for the
drive. The maximum ambient temperature is 50
o
C (30
o
C for the
rated MTBF). Refer to Figure 2 on page 18 for an illustration
showing suggested air flow patterns.
The drive’s product manual (77767541) describes how to evalu-
ate the air-flow design. The evaluation consists of ensuring that
the case temperatures of certain critical components remain
within acceptable limits during drive operation.
We recommend orienting the drive or directing the air flow in a
way that creates the least amount of air-flow resistance while
providing air flow above the circuit boards and around the head
and disc assembly (HDA). Also, choose the shortest possible
path between the air inlet and exit. This minimizes the distance
traveled by air that is heated by the drive and by other nearby
heat sources.