ASRock SBC-212-WT [2/2] Pin signal name
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ASRock SBC-212-WT [2/2] Pin signal name

ASRock SBC-212-WT [2/2] Pin signal name
23 : 3W Audio AMP Output Wafer
24 :
Front Panel Audio Header
25 :
Audio Jack (Green - Line Out)
26 : Top : USB 2.0 Port
Bottom : USB 3.0 Port
27 : RJ45 LAN Port 2
28 : RJ45 LAN Port 1
29 :
4-Pin CPU FAN Connector (+12V)
30 : Digital Input / Output Pin Header
(JGPIO1)
31 : VGA Port
32
: GPIO Default Setting (JGPIO_SET1)
1-2 : Pull-High
2-3 : Pull-Low
17 : COM1 Pin9 PWR Setting (SET_CM1)
1-2 : +5V
2-3 : +12V
18 : ATX Power Connector
(Input 9V-36V)
1-4 : GND
2-3 : DC Input
19 : 2-Pin Buzzer Header
20 :
COM1, 2, 3, 4 Headers
21 : ATX/AT Mode Select (PWR_JP1)
1-2 : AT mode
2-3 : ATX mode
22 : Chassis Intrusion Headers
(CI1, CI2)
BIOS
Chip
18
21
23
26
32
27
29
19
20
2224
25
28
35
31
30
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
CPU_FAN1
PWR _JP1
1
1
JGPIO1
mini-PCIe
1
LPC1
CHA_FA N1
SPEAK ER1
1
LAN1
VGA1
Line Out
HDMI1
1
BLT_ VOL1
HDLED R ESET
PLED PWRBT N
PANEL1
1
mini-PCIe / mini-SATA
CI1
1
SATA_ PW R 1
LVDS1
1
1
BLT_ PW R1
SE T _C M1
LAN2
T: USB 2.0
B: USB 3.0
COM4
COM3 COM2 COM1
CI2
1
BUZZ 1
1
DDR3 (Support DDR3L Only)
ATX12V1
1
BKT _PW R1
1
PNL _PW R1
1
SATAI I_ 1
SATAI I_ 2
BLT_P WM1
MSATA_ SEL1
34
1
HD_AUDIO1
1
33
1
JGP IO_S ET1
1
JGP IO_P WR1
1
EDP _LVDS _J2
1
1
USB2H _2_3
1
USB2H _4_5
1
USB2_ 0_1
1
1
1
1
1
1
BL2
BL1
CLR MOS1
CLR MOS2
PIN Signal Name
1 SPK L-
2 SPK L+
3 SPK R+
4 SPK R-
GND
+12V
CPU_FAN_SPEED
FAN_SPEED_CONTROL
1
+5V
SPKR
1
1
2
PIN RS232 RS422 RS485
1 DCD TX- RTX-
2 RXD RX+ N/A
3 TXD TX+ RTX+
4 DTR RX- N/A
5 GND GND GND
6 DSR N/A N/A
7 RTS N/A N/A
8 CTS N/A N/A
9 NA/+5V/+12V N/A N/A
* This motherboard supports RS232/422/485 on COM1 port. Please refer to below
table for the pin denition. In addition, COM1 port (RS232/422/485) can be adjusted
in BIOS setup utility > Advanced Screen > Super IO Conguration. You may refer to
our user manual for details.
COM1 Port Pin Denition
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
1
DDCD#
3
TTXD
5
GND
7
RRTS#
9
DUMMY
2 RRXD 4 DDTR# 6 DDSR# 8 CCTS# 10 DUMMY
1
PIN Signal Name PIN Signal Name
10 GND 9 JGPIO_PWR
8 SIO_GP23 7 SIO_GP27
6 SIO_GP22 5 SIO_GP26
4 SIO_GP21 3 SIO_GP25
2 SIO_GP20 1 SIO_GP24
12
1
2
9
10
910
33 : Digital Input / Output Power Select
(JGPIO_PWR1)
1-2 : +12V
2-3 : +5V
34 : EDP_LVDS_J2
1-2 : eDP
2-3 : LVDS
35 : HDMI Port
* The thermal solution of whole system
needs to be designed additionally.

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