
Barracuda 18LP FC Installation Guide, Rev. A  | 21  | 
A
[1]
F
 D ![]()
 E ![]()
![]()
M
C
L
Notes:
B
H
1.875± .005 ![]()
1.875± .005 ![]()
[1]Mounting holes three on each side, 
[2] Mounting holes four on bottom,
J[3] 
[4] Connector is centered on module and flush with end of base.
  | 
  | 
  | 
  | K  | 
  | 
  | 
  | 
  | [2]  | 
  | 
  | 
  | 
  | N  | 
Motherboard Ref.  | 
  | 
  | .136  | |
  | 
  | 
  | ||
P  | [4]  | (.809)  | Pin 1  | 
  | 
  | 
  | |||
  | 
  | 
  | 
  | |
[3] R  | Common centerline  | Low  | ||
in the horizontal  | 
  | Profile  | ||
  | (X axis) direction  | 
  | Half  | |
  | of the drive  | 
  | Height  | |
  | Inches  | Millimeters  | ||||
A  | 5.75  | ±  | 0.025  | 146.05  | ±  | .64  | 
B  | 4.00  | ±  | 0.015  | 101.6  | ±  | .381  | 
C  | 1.026  | max  | 26.060 max  | |||
D  | .620  | ref  | 
  | 15.748  | ref  | |
E  | 4.000  | ±  | 0.010  | 101.600  | ±  | .25  | 
F  | .250  | +  | 0.011  | 6.350  | + .28  | |
  | 
  | –  | 0.005  | 
  | ||
H  | 3.750  | ±  | 0.010  | 95.25  | ±  | .25  | 
J  | 2.380  | ±  | 0.010  | 60.45  | ±  | .25  | 
K  | 1.750  | ±  | 0.010  | 44.450  | ±  | .50  | 
L  | 0.181  | +  | 0.013  | 4.590  | + .33  | |
  | 
  | –  | 0.007  | 
  | ||
M  | 1.622  | +  | 0.027  | 41.20  | + .69  | |
  | 
  | –  | 0.021  | 
  | ||
N  | 1.620  | ±  | 0.025  | 41.150  | ±  | .64  | 
P  | .1215  | max  | 3.080 max  | |||
R  | .1215  | max  | 3.080 max  | |||