Datasheet

2-12
P8SCT User's Manual
Serial Ports
Two serial ports are included on
the motherboard: COM1 is a port
located beside the mouse/key-
board ports and COM2 is a header
located below PCI#1 slot. See the
table on the right for pin defini-
tions.
*NC indicates no connection.
Speaker Connector
The speaker connector is located
on J9. See the table on the right
for pin definitions.
Fucntion Pin Definition
Speaker: Pin Definition
Pins 1, 2
Pins 3, 4
External Speaker
Internal Speaker
Serial Port Pin Definitions
(COM1)
Pin Number Definition
1 CD
2 RD
3 TD
4 DTR
5 Ground
Pin Number Definition
6 DSR
7 RTS
8 CTS
9 RI
Serial Port Pin Definitions
(COM2)
Pin Number Definition
1 CD
2 RD
3 TD
4 DTR
5 Ground
Pin Number Definition
6 DSR
7 RTS
8 CTS
9 RI
10 NC
KB/MS
USB1/2
Parallel Port
ATX-24 Pin PW
R
JPWAKE1
4-Pin
PW
R
CPU
(CopperRiver)
NorthBridge
G
LAN1
G
LAN2
D
IM
M
1A (
blue)
G
L
A
N
CT
R
L
JPL1
JPL2
PCI-X 64 bit/133 MHz
(LG
A 775)
IDE
Fan
3
Fan
2
JF1
Fan1
Fan5
PXH-V
JPA1
IP
M
I
Buzzer
J9
LE
1
E7221
PCI-32 bit/33 MHz
PCI-32 bit/33 MHz
PCI-32 bit/33 MHz
PCI-32 bit/33 MHz
PCI#1
PCI#2
PCI#3
PCI-32 bit/33 MHz
PCI#4
PCI#5
PCI-X#6
S I
/O
COM
2
JK1
JWOR
JW
O
L
JWD
Floppy
USB3/4
USB5/6
JL1
Fan4
JFSB2
JFSB1
SATA0
SATA1
SATA2
SATA3
JLED
JBT1
BIOS
JSLED
ICH6R
South
Bridge
Bank1
Bank2
Battery
JPF
G
L
A
N
CT
R
L
JP1
JP2
JP3
JPUSB1
DIM
M
2A (
blue)
DIM
M
1B (black)
DIM
M
2B (black)
JPUSB2
COM1
VGA
COM2
COM1
Speaker