ASRock SBC-230L [2/2] Signal gnd
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ASRock SBC-230L [2/2] Signal gnd

ASRock SBC-230J [2/2] Signal gnd
25 : Clear CMOS Header (CLRMOS2)
Open: Normal
Short: Auto Clear CMOS (Power O)
26 : 3W Audio AMP Output Wafer
27 :
Front Panel Audio Header
28 : Audio Output: Pink – Mic In
29 : COM1 Pin9 PWR Setting Jumper
(SET_CM1)
1-2 : +5V
2-3 : +12V
30 : Audio Output: Green – Line Out
31 : mSATA Select (MSATA_SEL1)
1-2 : Auto Detect or Auto Select
2-3 : Fixed Mini-SATA
32 : LAN Port (LAN2)
33 : LAN Port (LAN1)
34 : HDMI Port (HDMI1)
35 : USB3.0 Ports (USB3_2_3)
36 : VGA Port (VGA1)
* The thermal solution of whole system
needs to be designed additionally.
21 : Chassis Intrusion Headers
CI1 :
Close : Active Case Open
Open : Normal
Cl2 :
Close : Normal
Open : Active Case Open
22 : Digital Input / Output Pin Header
(JGPIO1)
23 : USB2.0 Connectors
(USB2_4_5,
USB2_6_7)
24 :
COM1, 2, 3, 4 Headers
BIOS
Chip
1
JGPIO1
mini-PCIe/min i - S ATA
1
LPC1
SPEAK ER1
1
LAN1
HDMI1
PANEL1
HDLED RESET
PLED PWRBT N
1
SATA_ PWR1
LVDS1
1
1
BLT_ VO L1
USB 3.0
T: USB3
B: USB2
COM1
COM2 COM3 COM4
PNL _PW R1
1
SATA3 _1
LAN2
1
DC_ IN 1
VGA1
Mic In
Line Out
mini-PCIe
BKT _PW R1
1
CLR MOS2
1
11
17
18
DDR3_A1 (Support DDR3L Only)
DDR3_B1 (Support DDR3L Only)
Indust ri al
SBC-230
1
BL2
BLT_ PW R1
1
1
BL1
1
1
EDP _LVD S_J 1
PWR _J P1
1
EDP _LVD S_J 2
1
HD_AU DI O1
FAN1
SET _CM1
1
MSATA_ SEL 1
1
JGP IO_ PWR1
1
1
USB 2_ 6_7
1
USB 2_ 4_5
CLR MOS1
1
JGP IO_ SET1
1
1
CI1
1
CI2
BUZ Z 1
1
1
Signal
GND
1
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
2
1
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
PIN Signal Name
1
DDCD# 3 TTXD 5 GND 7 RRTS# 9 COM_PWR
2
RRXD 4 DDTR# 6 DDSR# 8 CCTS# 10 DUMMY
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
PIN Signal Name
2 SIO_GP30 4 SIO_GP31 6 SIO_GP32 8 SIO_GP33 10
GND
1 SIO_GP34 3 SIO_GP35 5 SIO_GP36 7 SIO_GP37 9
JGPIO_PWR
DU MMY
GND
GND
P+
P-
USB_PWR
P+
P-
US B_PWR
1
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
1
SPK L-
2
SPK L+
3
SPK R+
4 SPK R-
J_SENSE
OUT2_L
1
MIC_RET
PRESENCE#
GND
OUT2_R
MIC2_R
MIC2_L
OUT_RET

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