ASRock IMB-194 Jumpers and Headers Installation Guide

: June 13, 2024
: ASRock

Table of Contents

COM Port PWR Setting Jumpers
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

ASRock IMB-194 Jumpers and Headers

ASRock IMB-194 Jumpers and Headers

COM Port PWR Setting Jumpers

PIN	Signa l Name	PIN	Signal Name
2	LCO_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_OATA3
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

eDP Connector (For IMB-194-D only) (on the Backside of PCB)

40	NA
39	LCD_BLT_VCC
38	LCD_BLT_VCC
37	LCD BLT_VCC
36	LCD_BLT VCC
35	NA
34	NA
33	CON_LBKLT_CTL
32	CON LBKLT EN
31	GNO
30	GND
29	GNO
28	GND
27	eOP_HPO_CON
26	GND
25	GNO
24	GNO
23	GNO
22	NA
21	LCD_VCC
20	LCD VCC
19	LCD_VCC
18	LCD_vc c
17	GNO
16	eDP AUX# CON
15	eOP AUX CON
14	GNO
13	eDP_TXO_CON
12	eOP_TXllO_CON
11	GNO
10	eDP TX! CON
9	eDP TX#1 CON
8	GNO
7	eDP_TX2_CON
6	eDP_TX#2_CON
5	GNO
4	eDP TX3 CON
3	eDP TX..3 CON
2	GNO
1	NA
PIN	5,gnal Name

PWR_COM1 (For COM Port1)
PWR_COM2 (For COM Port2)
ATX/AT Mode Select (PWR_JP1)
1-2 : AT Mode
2-3 : ATX Mode
Backlight Control Level (BLT_PWM1)
1-2 : +3V (eDP)
2-3 : +5V (LVDS)
Backlight Power Select
(LCD_BLT_VCC) (BKT_PWR1)
1-2 : LCD_BLT_VCC : +5V
2-3 : LCD_BLT_VCC : +12V
Inverter Power Control Wafer
(BLT_PWR1)
PIN| Signal Name
---|---
6| LCD_BLT_VCC
5| LCD_BLT_VCC
4| CON_LBKLT_EN
3| CON_LBKLT_CTL
2| GND
1| GND
BL1
LVDS Panel Connector
(For IMB-194-L only)
Power Loss Jumper (PWR_LOSS1)
Open: Power Loss
Close: no Power Loss
Backlight Volume Control (BLT_VOL1)
PIN| Signal Name
---|---
7| GND
6| GND
5| BLT_DW
4| BLT_UP
3| PWRDN
2| GPIO_VOL_DW
1| GPIO_VOL_UP
4-Pin CPU FAN Connectors
(+12V) (CPU_FAN1, CPU_FAN2)
Panel Power Select
(LCD_VCC) (PNL_PWR1)
1-2 : LCD_VCC : +3V
2-3 : LCD_VCC : +5V
4-5 : LCD_VCC : +12V
PWR_COM4 (For COM Port4)
PWR_COM5 (For COM Port5)
BL2
Buzzer
COM3, 4, 5 Headers (RS232)
PIN| Signal Name| PIN| Signal Name| PIN| Signal Name| PIN| Signal Name| PIN| Signal Name
---|---|---|---|---|---|---|---|---|---
10| NC| 8| CCTS#| 6| DDSR#| 4| DDTR#| 2| RRXD
9| +5V / +12V| 7| RRTS#| 5| GND| 3| TTXD| 1| DDCD#
PWR_COM3 (For COM Port3)
1-2 : +5V
2-3 : +12V
Digital Input / Output Default Value
Setting (JGPIO_SET1)
1-2 : Pull-High
2-3 : Pull-Low
Digital Input / Output Power Select
(JGPIOPWR) (JGPIO_PWR1)
1-2 : +12V
2-3 : +5V
24-pin ATX Power Input Connector
LPC Header
System Panel Header
Digital Input/Output Pin Header
(JGPIO1)

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

Chassis Intrusion Headers
CI1 :
Close : Active Case Open
Open : Normal
CI2 :
Close : Normal
Open : Active Case Open
MSATA Select (MSATA_SEL1)
Open : For SATA3_1
Short : For mSATA
3W Audio AMP Output Wafer
PIN| Signal Name
---|---
1| OUTLN
2| OUTLP
3| OUTRP
4| OUTRN
4-pin ATX Power Input/Output Connector
Clear CMOS Headers
CLRMOS1 :
1-2 : Normal
2-3 : Clear CMOS
CLRMOS2 :
1-2 : +BATT
2-3 : +3VSB_A
Front Panel Audio Header
Audio Output
Green – Line Out
Pink – Mic In
Top : RJ45 LAN Port (LAN2)
Bottom : USB3.0 Ports (USB3_34)
Top : RJ45 LAN Port (LAN1)
Bottom : USB3.0 Ports (USB3_12)
SATA3 Connectors
(SATA3_1, SATA3_2, SATA3_3, SATA3_4)
Top : D-Sub Port (VGA1) (For IMB-194-L only)
Bottom : DisplayPort (DP3) (For IMB-194-D only)
USB Power Setting Jumpers
(USB2_PWR_0_1 (For USB2_0_1))
(USB2_PWR_2_3 (For USB2_2_3))
(USB3_PWR1 (For USB3_12, USB3_34))
1-2 : +5V
2-3 : +5VSB
USB2.0 Headers (USB2_0_1, USB2_2_3)
Top : DisplayPort (DP_1)
Bottom : HDMI Port (HDMI1)
Top : COM Port (COM2)
(RS232/422/485)
Bottom : COM Port (COM1)
(RS232/422/485)

This motherboard supports RS232/422/485 on COM1, 2 ports.
Please refer to below table for the pin definition. In addition, COM1, 2 ports (RS232/422/485) can be adjusted in BIOS setup utility > Advanced Screen > Super IO Configuration. You may refer to our user manual for details.

COM1, 2 Port Pin Definition

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	+5V / +12V	N/A	N/A

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