A SERVICE OF

logo

Chapter 2: Installation
2-13
Chassis Intrusion
The Chassis Intrusion header is
located at JL1. See the board lay-
out in Chapter 1 for the location of
JL1 and the table on the right for
pin definitions.
Pin
Number
1
2
Definition
Intrusion Inpu
t
Ground
Chassis Intrusion
Pin Definitions (JL1)
Fan Headers
There are five fan headers (Fan 1
to Fan5) on the P8SC8/P8SCi.
See the table on the right for pin
definitions. These fan headers
support 3-pin fans. The fan speed
is controlled by Thermal Manage-
ment under the Hardware Monitor-
ing Section in the BIOS.
3-pin Fan Header Pin
Definitions
Pin
Number
1
2
3
Definition
Ground (black)
+12V (red)
Tachometer
*Caution: Fan headers use DC
power.
KB/MS
USB0/1
COM1
VGA
Parallel Port
JPUSB1
ATX-24 Pin PWR
JPF
JPW
AKE1
4-Pin
PWR
CPU
CopperRiver
NorthBridge
GLAN1
GLAN2
DIMM 1A
DIMM 1B
DIMM 2A
DIMM 2B
GLAN
CTRL
GLAN
CTRL
JPL1
JPL2
PCI-X 133/100 MHz
PCI-Ex1
(L
G
A
7
7
5
)
SCSI CTRL
7902 W
SCSI Channel A
SCSI Channel B
J
W
D
U
S
B
6
/7
B
IO
S
J
L
1
IDE
Floppy
J
5
J
B
T
1
J
F
1
J
L
E
D
F
a
n
3
F
a
n
2
J
S
L
E
D
Fan1
Fan5
Fan4
IC
H
6
R
S
o
u
th
B
rid
g
e
PXH-V
PCI 33MHz
B
a
tte
ry
PCI-Ex1
S
A
T
A
3
S
A
T
A
2
S
A
T
A
1
S
A
T
A
0
J
W
O
R
J
P
A
1
IPMI
COM2
U
S
B
2
/3
B
u
z
z
e
r
W
O
L
JBT1
J
9
J
S
L
E
D
LE1
E7221
Fan 5
Fan 1
Fan 2
Fan 3
Fan 4
Chassis Intrusion