ASROCK SBC-250 Settings Manual

SBC-250
®
The terms HDMI and HDMI High-Definition
Multimedia Interface, and the HDMI logo are
trademarks or registered trademarks of HDMI
Licensing LLC in the United States and other
countries.
Revision History
Date Description
December 14, 2021 First Release
1 : Front Panel Audio Header
1
MIC2_L
MIC2_R
PRESENCE#
OUT2_R MIC_RET
J_SENS E
OUT2_L
OUT_RET
2 : 3W Audio AMP Output Wafer
1
PIN Signal Name
1 SPK L-
2 SPK L+
3 SPK R+
4 SPK R-
3 : DACC1
Open : No ACC
Short : ACC
* Auto clear CMOS when system boot improperly.
4 : Clear CMOS Header (CLRMOS2)
Open : Normal
Short : Auto Clear CMOS (Power Off)
5 : ATX/AT Mode Jumper (SIO_AT1)
Open : ATX Mode
Short : AT Mode
6 : 2-Pin Buzzer Header
7 : Panel Power Selection (LCD_VCC)
(PNL_PWR1)
1-2 : +3V
2-3 : +5V
3-4 : +5V
4-5 : +12V
1
Jumpers and Headers Setting Guide
8 : Backlight & Amp Volume Control
(BLT_VOL1)
GND 1
9 : Backlight Power Select
(LCD_BLT_VCC) (BKT_PWR1)
1-2 : LCD_BLT_VCC: +5V
2-3 : LCD_BLT_VCC: +12V
4-5 : LCD_BLT_VCC: DC_IN
10 : Inverter Power Control Wafer
(BLT_PWR1)
1
11 : LVDS Panel Connector
39
1
PIN Signal Name
1 GPIO_VOL_UP
2 GPIO_VOL_DW
3 PWRDN
4 GPIO_BLT_UP
5 GPIO_BLT_DW
6 GND
7 GND
PIN Signal Name
1 GND
2 GND
3 BL CTL
4 BL EN
5 LCD_BLT_VCC
6 LCD_BLT_VCC
7 eDP_BKLTCTL
8 eDP_BKLTEN
PIN Signal Name PIN Signal Name
40
39 LCD_BLT_VCC 40 LCD_BLT_VCC
37 CON_LBKLT_CTL 38 LCD_BLT_VCC
35 GND 36 CON_LBKLT_EN
33 LVDS_B_CLK# 34 LVDS_B_CLK
31 LVDS_B_DATA3 32 GND
29 DPLVDD_EN 30 LVDS_B_DATA3#
27 LVDS_B_DATA2# 28 LVDS_B_DATA2
25 LVDS_B_DATA1 26 GND
23 GND 24 LVDS_B_DATA1#
21 LVDS_B_DATA0# 22 LVDS_B_DATA0
2
19 LVDS_A_CLK 20 GND
17 GND 18 LVDS_A_CLK#
15 LVDS_A_DATA3# 16 LVDS_A_DATA3
13 LVDS_A_DATA2 14 GND
11 GND 12 LVDS_A_DATA2#
9 LVDS_A_DATA1# 10 LVDS_A_DATA1
7 LVDS_A_DATA0 8 GND
5 LDDC_DATA 6 LVDS_A_DATA0#
3 +3.3V 4 LDDC_CLK
1 LCD_VCC 2 LCD_VCC
* eDP Connector
(on the Backside of PCB)
12 : CPU FAN Connector
(+12V)
FAN_SPEED_CONTROL
FAN_SPEED
+12V
GND
13 : SATA Power Output Connector
1
14 : M.2 Key-E Socket
PIN Signal Name
40
1
40 NA
39 LCD_BLT_VCC
38 LCD_BLT_VCC
37 LCD_BLT_VCC
36 LCD_BLT_VCC
35 SMB_CLK_MAIN
34 SMB_DATA_MAIN
1 33 eDP_BKLTCTL_R
4 0
32 eDP_BKLTEN
31 GND
30 GND
29 GND
28 GND
27 eDP_HPD_CON
4 26 GND
25 GND
3
24 GND
2
23 GND
22 NA
1
21 LCD_VCC
20 LCD_VCC
19 LCD_VCC
18 LCD_VCC
17 GND
16 eDP_AUX#_CON
15 eDP_AUX_CON
14 GND
13 eDP_TX0_CON
12 eDP_TX#0_CON
11 GND
10 eDP_TX1_CON
9 eDP_TX#1_CON
8 GND
7 eDP_TX2_CON
6 eDP_TX#2_CON
5 GND
4 eDP_TX3_CON
3 eDP_TX#3_CON
2 GND
1 NA