Supermicro P8SCT-B Datasheet Page 30

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2-12
P8SCT User's Manual
Serial Ports
Two serial ports are included on the
motherboard: COM1 is a port located
beside the mouse/keyboard ports
and COM2 is a header located below
PCI#1 slot. See the table on the right
for pin defi nitions.
*NC indicates no connection.
Speaker Connector
The speaker connector is located at
J9. See the table on the right for pin
defi nitions.
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
A
TX-2
4PinPWR
JPWAKE1
4-Pin
PWR
CP
U
(CopperRiver)
NorthBridge
G
LAN1
GLAN2
DIMM 1A (blue)
GL
A
N
C
T
R
L
JP
L1
JP
L2
PCI-X 64 bit/133 MHz
(LGA 77
5)
IDE
F
a
n
3
F
an2
J
F
1
F
an1
Fan5
PXH-V
JPA1
I
PMI
Buzz
e
r
J
9
LE1
E7221
PCI-32 bit/33 MHz
PCI-32 bit/33 MHz
PCI-32 bit/33 MHz
PCI-32 bit/33 MHz
PCI
#1
P
CI#2
PCI
#3
PCI-32 bit/33 MHz
P
CI#
4
P
CI#5
PCI-X#6
S
I
/O
COM2
JK
1
J
WO
R
JWO
L
J
W
D
Floppy
US
B
3/4
US
B
5/6
JL1
Fan4
JFS
B
2
JFS
B1
SATA0
S
A
TA
1
SATA2
SATA
3
J
L
ED
JBT1
BIOS
JSLED
ICH6R
South
Bridge
Bank1
Bank2
Batter
y
JP
F
G
L
A
N
CTRL
JP1
J
P
2
JP3
JPUSB1
D
IMM2A(blu
e)
DIMM1B(b
lack)
D
IMM 2B (black)
JP
U
S
B2
COM1
VGA
COM2
COM1
Speaker
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