2-16
PDSMi-LN4 User's Manual
ATX PS/2 Keyboard and
PS/2 Mouse Ports
The ATX PS/2 keyboard and PS/2
mouse are located next to the Back
Panel USB ports on the motherboard.
See the table at right for pin defi ni-
tions. (
Note
: NC=No connection.)
PS/2 Keyboard and
Mouse Port Pin
Defi nitions
Pin# Defi nition
1
Data
2
NC
3
Ground
4
VCC
5
Clock
6
NC
Speaker Connector
The speaker connector is located at
J9 and allows you to choose between
using the internal or an external
speaker. For the internal speaker,
short pins 3 and 4. To use an exter-
nal speaker, place the speaker cable
header on all four pins. See the table
on the right.
Speaker Connector (J9)
Pin Setting Defi nition
Pins 3-4
Internal Speaker
Pins 1-4
External Speaker
PCI 32 Bit/33 MHz
S
U
P
E
R
P
D
S
M
i-
L
N
4
®
Pentium Dual
Core CPU
LGA 775
KB/MS
C
O
M
1
JLAN1
E7230
(North Bridge)
J
P
L
3
Fan4
24-Pin ATX PWR
ICH7R
South Bridge
Fan6/CPU Fan
8-pin PWR
Battery
J 9
USB 1/2
V
G
A
JLAN2
S I/O
COM2
J
P
L
4
Printer
Floppy
Slot1
DIMM 2B
PCI-X 133 MHz
BIOS
PXH-V
Mukilteo
IDE
IDE (Primary)
JWF1
J
P
F
J
W
D
DIMM 1B
DIMM 2A
DIMM 1A
Fan1
VGA
CTRL
Slot6
SATA2
SATA3
(*Compact Flash Card only)
J P 3
F
a
n
5
LAN
CTRL2
J
P
L
2
J
P
L
1
W
O
L
JWOR
Buzzer
JL1
J
I
2
C
1
J
I
2
C
2
L
E
1
JBT1
SATA1
SATA4
JPG1
IP
M
I
2
.0
H
/W
M
o
n
it
o
r
Fan3
NIC LED4
NIC LED3
F
P
C
o
n
tr
o
l
Fan2
J
L
E
D
JPR1
P W 3
L
E
3
L
E
4
USB3/4
USB5/6
LAN
CTRL1
LAN
CTRL3
LAN
CTRL4
SPKR
A. Keyboard/Mouse
B. Speaker
A
B
