F
o
r
t
r
e
s
s
7
7
0
0
/
7
F
o
r
t
r
e
s
s
7
7
0
0
/
7
2
.
5
C
o
n
n
e
c
t
o
r
s
2
.
5
C
o
n
n
e
c
t
o
r
s
The table below lists the different connectors or jumpers on the motherboard and their respective functions.
Connector
Function
BU1
Internal buzzer
BT1
Battery
CN1
20 pin ATX power supply connector
CN3
6 pin AUX power supply connector
CN4
Rear USB ports 1
CN6
CPU1 Fan connector
CN7-10
DIMM slots
CN11
LAN Jack (RJ-45) connector
CN16
CD-IN
CN17
CPU2 Fan connector
CN18
Fan3 connector
CN19
AGP slot
CN21
Wake on LAN connector
CN22
SCSI LED connector
CN27
AUX-IN
CN28
68 pin SCSI 160 Channel B
CN30
Fan1 connector
CN31
Fan2 connector
CN32
USB 2
9
0
0
9
0
0
a
n
d
J
u
m
p
e
r
s
a
n
d
J
u
m
p
e
r
s
51
O
n
l
i
n
e
M
a
n
u
a
l
O
n
l
i
n
e
M
a
n
u
a
l
A
Open