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X9DRW-3LN4F+/3TF+ Motherboard User’s Manual
Serial Ports
COM1
Two COM connections (COM1 &
COM2) are located on the motherboard.
COM1 is located on the Backplane I/O
panel. COM2, located close to USB 4/5
Connectors, is used to provide front access support. See the table on the right
for pin definitions.
1
Serial COM) Ports
Pin Definitions
Pin #
Definition
Pin #
DCD
6
DSR
2
RXD
7
RTS
3
TXD
8
CTS
4
DTR
9
RI
5
Ground
10
N/A
COM1
COM2
2
COM2
Video Connection
One video (VGA) port (VGA1) is located next to COM Port1 on the I/O
backplane. Refer to the board layout
below for the location.
JUIDB1
LAN4
LAN3
LAN2
LAN1
VGA1
COM1
USB0/1
SXB1A
SXB1B
2. COM2
LAN
CTRL 2
3. VGA1
JPW4
JPL2
P2-DIMMG1
P2-DIMMG2
P2-DIMMG3
P2-DIMMH1
P2-DIMMH2
P2-DIMMH3
JBAT1
1. COM1
LAN
CTRL 1
X9DRW-3LN4F+
Rev. 1.20
CPU2
CLOSE 1st
SXB1_4
SXB1D CPU2_PORT2C CPU2_PORT2A
BATTERY
CPLD
KB/MOUSE
IPMI_LAN
SXB1_3
SXB1C
LEM2
BMC
CTRL
SAS0~3
SAS4~7
SP1
JPL1
CPU1_PORT2A CPU1_PORT2C
PLD
JPG1
1
Buzzer
P2-DIMMF3
P2-DIMMF2
P2-DIMMF1
P2-DIMME3
P2-DIMME2
P2-DIMME1
CPU1_PORT3C
CPU1_PORT3A
JPB1
JP7
JP6
JI2C2
JI2C1
LE2 SXB2 CPU2_PORT3A CPU2_PORT3B CPU2_PORT3C CPU2_PORT3D
UID
OPEN 1st
JBT1
JPP1
JPP0
JPME1
JBR1
Clock
CPU1
JPW3
Intel
PCH
CLOSE 1st
PWR_I2C
JPI2C1
USB6
JPW2
JRK1
BIOS
JWP1JSTBY1
USB2/3
2
OPEN 1st
I-SATA5
I-SATA4
1
FAN3 FAN2
FAN1
TPM
JIPMB1
FAN4
FAN5
JPW1
JF2
T-SGPIO2
P1-DIMMA1
P1-DIMMA2
P1-DIMMA3
P1-DIMMB1
P1-DIMMB2
P1-DIMMB3
T-SGPIO1
I-SATA1
FANA1
JPME2
JWD1 JL1 JOH1
USB4/5
JTPM1
LE1 JF1
I-SATA3
I-SATA2
I-SATA0
P1-DIMMD3
P1-DIMMD2
P1-DIMMD1
P1-DIMMC3
P1-DIMMC2
P1-DIMMC1
COM2
JSD1
2-20
Definition
1
3