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The following points should be noted:
All pins are in a single row, with a 1.27 mm (.050") pitch.
• The comments on the mating sequence in Table 3-3 apply to the case of
backplane blindmate connector only. In this case, the mating sequences
are: (1) the ground pins P4 and P12; (2) the pre-charge power pins and
the other ground pins; and (3) the signal pins and the rest of the power
pins.
• There are three power pins for each voltage. One pin from each voltage
is used for precharge in the backplane blind-mate situation.
• If a device uses 3.3 V, then all V
it is optional to terminate any of the V
all V
of the V
• If a device uses 12.0 V, then all V
it is optional to terminate any of the V
3.5.1
ATA Bus Interface Connector (J1, Section C)
On the MaXLine Plus II 250GB AT hard disk drives, the SATA bus interface cable
connector (J1, section C) is a standard 7-pin SATA.
To prevent the possibility of incorrect installation, the connector has been keyed.
This ensures that a connector cannot be installed upside down.
3.6
MOUNTING
Drive mounting orientation, clearance, and ventilation requirements are described
in the following subsections.
3.6.1
Orientation
The mounting holes on the MaXLine Plus II 250GB AT hard disk drives allow the
drive to be mounted in any orientation. Figure 3-9 and Figure 3-10 show the
location of the three mounting holes on each side of the drive. The drive can also
be mounted using the four mounting hole locations on the PCB side of the drive.
Note: It is highly recommended that the drive is hard mounted on to
All dimensions are in millimeters. For mounting, #6-32 UNC screws are
recommended.
pins must be terminated. Otherwise, it is optional to terminate any
5
pins.
5
the chassis of the system being used for general operation, as well
as for test purposes. Failure to hard mount the drive can result in
erroneous errors during testing.
Drives can be mounted in any orientation. Normal position is
with the PCB facing down.
pins must be terminated. Otherwise,
33
pins. If a device uses 5.0 V, then
33
pins must be terminated. Otherwise,
12
pins.
12
Maxtor MaXLine Plus II 250GB AT
Installation
3-15
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