Serial Ports - Supermicro X11SAA/A2SAV/-2C/-L User Manual

X11SAA/A2SAV/-2C/-L User's Manual

Serial Ports

There is one COM port (COM1) on the I/O back panel via RJ45 and two COM headers (COM2,
COM3) on the motherboard. COM2 supports RS-232 and COM3 supports RS-485 only.
M2_SRW1
Pin#
1
2
3
JD1
4
JMD1
COM3
Pin#
1
2
USB6/7
3
4
J4 J5
USB5
5
J7
USB4
FAN2
C
A C A C A
LED2 LED1 LED3
JF1
2
1
JPAC1:AUDIO
1-2:ENABLE
2-3:DISABLE
JD1
3
COM3
J4 J5
J7
FAN2
A
LED2
JF1
2
1
SRW2
SRW1
COM1 Port
Pin Definitions
Definition Pin# Definition
RTS 5 GND
DTR 6 RXD
JMP1 mSATA/mini PCIE
TXD 7 DSR
GND 8 CTS
JSD1
COM2 Port
SATA+
DOM POWER
Pin Definitions
Definition Pin# Definition
I-SATA0
DCD 6 DSR
RXD 7 RTS
M-SATA3
TXD 8 CTS
DTR 9 RI
M-SATA1
Ground 10 N/A
9
6
COM2
1 5
JTPM1
JWD1
COM2 Pin Layout
PWR NIC NIC HDD
RST X FF
ON 2 1 LED
VGA
AUDIO
JPL2 JPL1
FP
EDP1 LAN2 LAN1
JPL1: LAN1
1-2:ENABLE
2-3:DISABLE
JPL2: LAN2
1-2:ENABLE
2-3:DISABLE
M2_SRW3
A2SAV
REV:1.02
DESIGNED IN USA
SRW2
SRW1
M2_SRW1
JMP1 mSATA/mini PCIE
JMD1
JSD1
SATA+ DOM POWER
I-SATA1
I-SATA0
M-SATA3
USB6/7 M-SATA2
USB5 M-SATA1 M-SATA0
USB4
2
COM2
C
C A C A
LED1 LED3
JTPM1
JWD1
PWR NIC NIC HDD PWR
RST X FF X NMI
ON 2 1 LED LED
A2SAV
REV:1.02
DESIGNED IN USA
COM1 Pin Layout
I-SATA1
M-SATA2
M-SATA0
JPH1
PWR
X NMI
LED
1
USB0/1 HDMI/DP
COM1
USB2/3(3.0)
USB8/9
BAR CODE
CPU
1
JP1
J1
SODIMM1(1.35V only)
JPV1
JPW1
JPH1
26
JPAC1:AUDIO
1-2:ENABLE
2-3:DISABLE
CPU
Pin 1
COM3 Port
Pin Definitions
Pin# Definition
SODIMM1(1.35V only)
1 RS485_B
2 RS485_A
3 N/A
4 N/A
JD1
5 N/A
1
COM3
5
COM3 Pin Layout
J4 J5
1. COM1
J7
2. COM2
FAN2
3. COM3
A
LED2
FAN1
JF1
JPME2
2
JBT1
JL1
BT1
AUDIO
FP
EDP1
1
M2_SRW3
JP1
SRW2
JBT1
JL1
J1
BT1
SRW1
M2_SRW1
JPV1
JMD1
JPW1
I-SATA0
USB6/7
USB5
USB4
C
C A C A
LED1
LED3
JWD1
2
1
JPL2
JPME2
2
JMP
M-S
M-S
PWR
ON