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3.0
Configuring and mounting the drive
This section contains the specifications and instructions for configuring and mounting the drive.
3.1
Handling and static-discharge precautions
After unpacking, and before installation, the drive may be exposed to potential handling and electrostatic discharge (ESD) hazards.
Observe the following standard handling and static-discharge precautions:
• Before handling the drive, put on a grounded wrist strap, or ground oneself frequently by
touching the metal chassis of a computer that is plugged into a grounded outlet. Wear a
grounded wrist strap throughout the entire installation procedure.
• Handle the drive by its edges or frame only.
• The drive is extremely fragile—handle it with care. Do not press down on the drive top cover.
Caution
• Always rest the drive on a padded, antistatic surface until mounting it in the computer.
• Do not touch the connector pins or the printed circuit board.
• Do not remove the factory-installed labels from the drive or cover them with additional labels.
Removal voids the warranty. Some factory-installed labels contain information needed to ser-
vice the drive. Other labels are used to seal out dirt and contamination.
3.2
Configuring the drive
Each drive on the Serial ATA interface connects point-to-point with the Serial ATA host adapter. There is no master/slave relationship
because each drive is considered a master in a point-to-point relationship. If two drives are attached on one Serial ATA host adapter,
the host operating system views the two devices as if they were both "masters" on two separate ports. Both drives behave as if they
are Device 0 (master) devices.
3.3
Serial ATA cables and connectors
The Serial ATA interface cable consists of four conductors in two differential pairs, plus
three ground connections. The cable size may be 30 to 26 AWG with a maximum length
of one meter (39.37 in). See Table 7 for connector pin definitions. Either end of the SATA
signal cable can be attached to the drive or host.
For direct backplane connection, the drive connectors are inserted directly into the
host receptacle. The drive and the host receptacle incorporate features that enable the
direct connection to be hot pluggable and blind mateable.
For installations which require cables, users can connect the drive as illustrated in
Figure 4.
Each cable is keyed to ensure correct orientation. Enterprise Capacity 3.5 HDD Serial ATA drives support latching SATA connectors.
3.4
Drive mounting
Users can mount the drive in any orientation using four screws in the side-mounting holes
or four screws in the bottom-mounting holes. See Figure 6 for drive mounting dimensions.
Follow these important mounting precautions when mounting the drive:
• Allow a minimum clearance of 0.030 in (0.76mm) around the entire perimeter of the
drive for cooling.
• Use only 6-32 UNC mounting screws.
• The screws should be inserted no more than 0.140 in (3.56mm) into the bottom or
side mounting holes.
• Do not overtighten the mounting screws (maximum torque: 6 in-lb).
• Do not cover breather hole on top cover.
Seagate Enterprise Capacity 3.5 HDD v5 Serial ATA Product Manual, Rev. G
Signal cable
Power cable
Figure 4.
Attaching SATA cabling
Breather Hole
Do Not
Cover
Figure 5.
Breather hole location - top cover
Signal connector
Power connector
22
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