ASRock SBC-220B [2/2] Signal gnd

ASRock SBC-220B [2/2] Signal gnd
31 : Digital Input / Output Pin Header
32 : 3W Audio AMP Output Wafer
33 : Audio Output: Pink – Mic In
34 : Audio Output: Green – Line Out
35 : LAN Port (LAN2)
36 : LAN Port (LAN1)
37 : LVDS Panel Connector
COM1, 2, 3, 4 Headers
26 : COM1
24 : COM2
21 : COM3
20 : COM4
COM Port Pin9 PWR Setting Jumpers
22 : PWR_COM4 (For COM Port4)
23 : PWR_COM3 (For COM Port3)
25 : PWR_COM2 (For COM Port2)
27 : PWR_COM1 (For COM Port1)
1-2 : +5V
2-3 : +12V
28 : Chassis Intrusion Headers
(CI1, CI2)
29 : Digital Input / Output Power Select
1-2 : +12V
2-3 : +5V
30
: GPIO Default Setting
1-2 : Pull-High
2-3 : Pull-Low
1
Signal
GN D
38 : VGA Port (VGA1)
39 : HDMI Port (HDMI1)
40 : USB3.0 Ports (USB3_0_1)
* The thermal solution of whole system
needs to be designed additionally.
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
PIN Signal Name PIN Signal Name
2 LCD_VCC 1 LCD_VCC
4 LDDC_CLK 3 +3.3V
6 LVDS_A_DATA0# 5 LDDC_DATA
8 GND 7 LVDS_A_DATA0
10 LVDS_A_DATA1 9 LVDS_A_DATA1#
12 LVDS_A_DATA2# 11 GND
14 GND 13 LVDS_A_DATA2
16 LVDS_A_DATA3 15 LVDS_A_DATA3#
18 LVDS_A_CLK# 17 GND
20 GND 19 LVDS_A_CLK
22 LVDS_B_DATA0 21 LVDS_B_DATA0#
24 LVDS_B_DATA1# 23 GND
26 GND 25 LVDS_B_DATA1
28 LVDS_B_DATA2 27 LVDS_B_DATA2#
30 LVDS_B_DATA3# 29 DPLVDD_EN
32 GND 31 LVDS_B_DATA3
34 LVDS_B_CLK 33 LVDS_B_CLK#
36 CON_LBKLT_EN 35 GND
38 LCD_BLT_VCC 37 CON_LBKLT_CTL
40 LCD_BLT_VCC 39 LCD_BLT_VCC
1
39
40
2
BIOS
Chip
FAN1
1
JGPIO 1
mini-PCIe
1
LPC1
SPEAKE R1
1
LAN1
HDMI1
PWR_JP 1
HDLED RESET
PLED PWRBTN
PANEL1
1
CI1
1
SATA_ PWR 1
LVDS1
1
1
BLT_ VOL 1
1
BLT_PWR1
USB 3.0
T: USB1
B: U SB0
COM1
COM2 COM3 COM4
JGP IO_PW R1
1
CLR MOS1
1
BUZ Z1
1
DDR3 (Support DDR3L Only)
1
PNL _PWR 1
1
SATA3 _1
LAN2
CI2
1
ATX1 2V1
1
PWR _COM1
1
PWR _COM2
1
PWR _COM3
1
PWR _COM4
1
JGP IO_SE T1
1
VGA1
Mic In
Line Out
mini-SATA
PWR U3_01
1
1
USB 2H_1_ 2
USB3_2_3
PWR U2H
1
BKT _PWR 1
1
BLT_ PWM1
1
PWR U3_23
1
13
12
11
1
9
3
2
4
5
6
7
8
10
16
17
14
15
18
21
22
19
2023
24
27
28
25
26
31
32
29
30
33
39
40
38
37
36
35
34
1
2
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
10 DUMMY 8 CCTS# 6 DDSR# 4 DDTR# 2 RRXD
9 COM_PWR 7 RRTS# 5 GND 3 TTXD 1 DDCD#
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
PIN Signal Name
2 SIO_GP20 4 SIO_GP21 6 SIO_GP22 8 SIO_GP23 10
GND
1 SIO_GP24 3 SIO_GP25 5 SIO_GP26 7 SIO_GP27 9
JGPIO_PWR
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
4 SPK R+ 3
SPK R-
2
SPK L-
1
SPK L+
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