SUPER MICRO Computer MICRO COMPUTER MOTHERBOARD P8SC8 - Manual (Page 32)

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 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 external speaker, place the
s p e a k e r c a b l e h e a d e r o n t h e
speaker connector. 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 a ke r
In te rn a l S p e a k er
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
JPUSB1
ATX-24 Pin PWR
JPF
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
J
5
JBT1
J
F
1
JL
E
D
Fan3
Fan2
JS
L
E
D
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
J
9
JS
L
E
D
LE1
E 7 2 2 1
COM2
COM1
Speaker