19
Motherboard Connectors
There are connectors on the motherboard for Floppy drives, IDE devices, Fans,
Power, Serial Port’s, SCSI, and Front Panel Connectors. The location and/or details
of these connections are shown below.
ATX power
Floppy Drive
connector
Intel
DC111D
Primary
Secondary
Cirrus
Logic
5480
Adaptec
7896
Intel
82371EB
iFlash
Intel
NIC
Intel
8440GX
Chipset
Prim
ar
y
1
S
ec
ond
ar
y
2
4
3
1
3
2
6
5
4
LVD
SE
31
33
1
2
5
Reset
Pwr LED
HD LED
Pwr On
SPK
Front Panel I/O
Connector Header
68
2
1
SCSI-3 SCSI connector
67
PCI IDE Connector x2
Chassis Intrusion
Header
11
20
1
10
Fan
Connector 2A
1
3
Fan
Connector 1
1
3
CPU Fan
Connector
1
3
1
SLP
39
1
40
20
2
Module Connection
1
2
25
26
Server Monitor
Fan
Connector 2B
1
3
1
ICMB HDR
WOL Enable/
Disable
Jumper
1
3
Figure 4