Chapter 2: Installation
2-9
Serial Ports
Two COM connections (COM1, COM2)
are located on the motherboard. COM1
is located on the back I/O panel. COM2
is located just behind the back panel
connectors to provide additional on-
board serial connection support. See
the table on the right for pin defini
-
tions.
Note:
Additional COM3 and COM4
headers are available on the X7S
-
PA-L motherboard only.
Serial Ports-COM1/COM2/COM3/COM4
Pin Definitions
Pin # Definition
Pin # Definition
1
DCD
6
DSR
2
RXD
7
RTS
3
TXD
8
CTS
4
DTR
9
RI
5
Ground
10
N/A
(Backpanel) COM1
COM2
COM3 (X7SPA-L Only)
COM4 (X7SPA-L Only)
1
1
2
MH
2
MH
3
MH
4
D17
JPW1
JUSB1
JD1
JPC3
JPUSB1
JWD
1
JPG1
JBMC1
JPL1
JPT1
JPL2
JDIMM2
1
JDIMM1
JI2C2
JI2C1
JOH1
JL1
JL
2
SP1
+
J2
J3
JBT1
JBAT1
JPCIE1
JUSB
5
JUSB4
JUSB3
JUSB
2
JLPC80
R1050
JSMB1
FAN1
FAN2
JC
OM2
JC
OM4
JPI2C1
JWF
1
J8
JVGA1
CD
1
JP
B
FAN
FA
N
COMS CLEAR
2-3 DISABL
E
1-2 ENABL
E
JPB:BMC ENABLE/DISABL
E
CD-in
JPT1:TP
M ENABLE/DISABL
E
1-2 ENABL
E
2-3 DISABL
E
AUDIO FP
T-SGPIO2
T-SGPIO1
JPI2C:PWR I2C
JSMB1:SMBus1
JPUSB1:USB
WA
KE UP
2-3 DISABLE
1-2 ENABLE
JWF1:DOM PW
R
JD1:1-3 PWR LED
4-7 SPEAKE
R
ON:ENABLE
JI2C2
OFF:DISABLE
JI2C1
OFF:DISABLE
ON:ENABLE
JL2:
AU
DIO FRONT P
ANEL SELEC
T
ON:A
C'97 FRONT P
ANE
L
OF
F:
HD
AU
DIO FRONT P
ANE
L
JPG1:VG
A
2-3 DISABLE
1-2 ENABL
E
2-3 DISABL
E
JPL2:1-2 ENABL
E
JPL1:1-2 ENABL
E
2-3 DISABL
E
JL1:CHASISS INTRUSIO
N
JF1 PWR ON RST X OH/FF NIC2 NIC1 HDD LED PWR LED X NMI
2-3 NMI
JWD1:1-2 RST
JBT1:
LAN2
LAN1
I-SATA5
I-SATA2
I-SATA4
I-SATA1
I-SATA3
I-SATA0
SLOT1 PCI-E X4 (IN X16 SLOT)
SYS
CPU
KB/MOUSE
CO
M4
CO
M3
COM2
COM1
SODIMM2
SODIMM1
CPU
J6
J5
J10
J11
J12
J13
J1
4
JPF
Back Panel Connectors
4
3
2
4
3
X7SPA-L Only
L A N 2 i s n o t
available on the
X7SPA-L
