2-12
P8SC8/P8SCi 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 the Floppy Drive.
See the table on the right for pin
definitions.
*NC indicates no connection.
Speaker Connector
The speaker connector is located
on J9. See the table on the right
for pin definitions.
F u c n tio n
P in D e fin itio n
S p e a k e r: P in D e fin itio n
P in s 1 , 4
P in s 3 , 4
E xte rn a l S p e ak e r
In te rn a l S p e a ke r
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
USB0/1
COM1
VGA
Parallel Port
JP
U
S
B
1
ATX-24 Pin PWR
JP
F
JPWAKE1
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
(LGA 775)
SCSI CTRL
7902 W
SCSI Channel A
SCSI Channel B
J W D
USB6/7
BIOS
J L 1
IDE
Floppy
J5
JBT1
JF1
JLED
Fan3
Fan2
JSLED
Fan1
Fan5
Fan4
ICH6R
SouthBridge
PXH-V
PCI 33MHz
Battery
PCI-Ex1
SATA3 SATA2 SATA1 SATA0
JWOR
JPA1
IPMI
COM2
USB2/3
Buzzer
WOL
JBT1
J9
JSLED
LE1
E 7 2 2 1
COM2
COM1
Speaker
