AT3550 User Guide V1.00
February 11, 2005
page 5 of 16
3.1.4 CONNECTOR
The drive may be interfaced directly to a standard 3.5”, 0.1in IDE socket connector
or a standard 40pin IDE ribbon and AT power cable. See drawing below for pin 1
location. Care should be taken when installing the AT3550 into the system, as
misalignment can permanently damage the drive interface connector or
electronics.
Figure 1 - Drive Connector
3.1.5 MOUNTING
The AT3550 may be mounted in any orientation. A total of four bottom and six
side mounting holes are available for installation. The mounting holes require 6-
32 screws with a maximum depth of 0.25 inch.
The diagram given below is valid for all capacities of the AT3550 drive. The
overall outside dimensions are 4 inches (101.7 mm) wide, 5.75 inch (146.05mm)
long, and 0.630 inch (16mm) tall. Please refer to the following drawing for
dimensions and mounting hole locations.
The diagram given below is for a 12 Gbyte drive. Drives with higher capacities will
be 0.760 inches (19.3mm) or taller. All other dimensions remain identical.
