Chapter 2: Installation
2-11
Fan Headers
T h e C P U , t h e r m a l c o n t r o l a n d
chassis fan headers are desig-
nated CPU Fan1, CPU Fan2, Over-
heat Fan, Chassis Fan1, Chassis
Fan2 and Chassis Fan3, respec-
tively. See the table on the right
for pin definitions.
F a n H e a d e r
P in D e fin itio n s
P in
N u m b e r
1
2
3
D e fin itio n
G ro u n d (b la ck)
+ 1 2 V (re d )
T a ch o m e te r
C a u tio n : T h e se fa n h e a d e rs u se
D C p o we r
Chassis Intrusion
The Chassis Intrusion header is
located at JL1. See the board lay-
out in Chapter 1 for its location.
Refer to the table on the right for
pin definitions.
P in
N u m b e r
1
2
D e fin itio n
In tru sio n In p u t
G ro u n d
C h a s s is In tru s io n
P in D e fin itio n s (J L 1 )
