Maxtor D540X-4K - Manual (Page 27)

Installation
Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT 3-9
 /1706+0) 6*' &4+8' 10 2'4510#. %1/276'45
Drive mounting orientation, clearance, and ventilation requirements are described
in the following subsections.
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The mounting holes on the Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT hard
disk drives allow the drive to be mounted in any orientation. Figure 3-6 and Figure
3-7 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
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.
All dimensions are in millimeters. For mounting, #6-32 UNC screws are
recommended.
(KIWTG   Mounting Dimensions for the Maxtor D540X-4K Hard Disk Drives