EnglishDeutsch
 logo
Brands
  1. Home
  2. •
  3. Brands
  4. •
  5. ASROCK
  6. •
  7. Motherboard
  8. •
  9. ASROCK IMB-156 Service manual

ASROCK IMB-156 Service manual

Other manuals for IMB-156

3

Other ASROCK Motherboard manuals

ASROCK IMB-150 Service manual

ASROCK

ASROCK IMB-150 Service manual

ASROCK 775Dual-880Pro User manual

ASROCK

ASROCK 775Dual-880Pro User manual

ASROCK P4VX4 User manual

ASROCK

ASROCK P4VX4 User manual

ASROCK P67 Pro User manual

ASROCK

ASROCK P67 Pro User manual

ASROCK B75M User manual

ASROCK

ASROCK B75M User manual

ASROCK ALIVENF7G-HD720P - V2.0 V5.0 User manual

ASROCK

ASROCK ALIVENF7G-HD720P - V2.0 V5.0 User manual

ASROCK G41C-VS User manual

ASROCK

ASROCK G41C-VS User manual

ASROCK Taichi Razer Edition X570 User manual

ASROCK

ASROCK Taichi Razer Edition X570 User manual

ASROCK H310CM-HDV/M.2 User manual

ASROCK

ASROCK H310CM-HDV/M.2 User manual

ASROCK 939NF4G-VSTA User manual

ASROCK

ASROCK 939NF4G-VSTA User manual

ASROCK A780FULLHD User manual

ASROCK

ASROCK A780FULLHD User manual

ASROCK Q1900TM-ITX User manual

ASROCK

ASROCK Q1900TM-ITX User manual

ASROCK FM2A85X Pro User manual

ASROCK

ASROCK FM2A85X Pro User manual

ASROCK 1U2FH-4L User manual

ASROCK

ASROCK 1U2FH-4L User manual

ASROCK P4V88-M User manual

ASROCK

ASROCK P4V88-M User manual

ASROCK X38TURBOTWINS User manual

ASROCK

ASROCK X38TURBOTWINS User manual

ASROCK Z690 Steel Legend WiFi 6E/D5 User manual

ASROCK

ASROCK Z690 Steel Legend WiFi 6E/D5 User manual

ASROCK N68-GE3 UCC - User manual

ASROCK

ASROCK N68-GE3 UCC - User manual

ASROCK Z270M PRO4 User manual

ASROCK

ASROCK Z270M PRO4 User manual

ASROCK ALIVENF7G-HD720P User manual

ASROCK

ASROCK ALIVENF7G-HD720P User manual

ASROCK X58 EXTREME6 - User manual

ASROCK

ASROCK X58 EXTREME6 - User manual

ASROCK X99 WS User manual

ASROCK

ASROCK X99 WS User manual

ASROCK Super Alloy Z120M-ITX/ac User manual

ASROCK

ASROCK Super Alloy Z120M-ITX/ac User manual

ASROCK H87 Pro4 User manual

ASROCK

ASROCK H87 Pro4 User manual

Popular Motherboard manuals by other brands

DFI SD170 user manual

DFI

DFI SD170 user manual

Asus P2L97A user manual

Asus

Asus P2L97A user manual

Winmate IC70 user manual

Winmate

Winmate IC70 user manual

Asus MES-B user manual

Asus

Asus MES-B user manual

Grantech SYS8F377VGGA-3OMN user manual

Grantech

Grantech SYS8F377VGGA-3OMN user manual

Telit Wireless Solutions SL869-3DR user guide

Telit Wireless Solutions

Telit Wireless Solutions SL869-3DR user guide

Texas Instruments ADS8372EVM user guide

Texas Instruments

Texas Instruments ADS8372EVM user guide

Commell MS-C73 user manual

Commell

Commell MS-C73 user manual

Gigabyte GA-9IVDT user manual

Gigabyte

Gigabyte GA-9IVDT user manual

IBT Technologies MB860 user manual

IBT Technologies

IBT Technologies MB860 user manual

Nvidia TEGRA DG-04927-001_V01 user guide

Nvidia

Nvidia TEGRA DG-04927-001_V01 user guide

Intel D33217CK specification

Intel

Intel D33217CK specification

Asus F1A55-M LX PLUS R2.0 user manual

Asus

Asus F1A55-M LX PLUS R2.0 user manual

EPC EPC9147C quick start guide

EPC

EPC EPC9147C quick start guide

Asus EX-B760M-V5 D4 quick start guide

Asus

Asus EX-B760M-V5 D4 quick start guide

EPOX MU-8KHA0010 user manual

EPOX

EPOX MU-8KHA0010 user manual

Ski-Doo Bombardier MPEM 219 700 090 user guide

Ski-Doo

Ski-Doo Bombardier MPEM 219 700 090 user guide

Epson S5U13700P00C000 user manual

Epson

Epson S5U13700P00C000 user manual

https://manuals.online logo
https://manuals.online logoBrands
  • About & Mission
  • Contact us
  • Privacy Policy
  • Terms and Conditions

Copyright 2026 Manuals.Online. All Rights Reserved.

14 : COM Port PWR Setting Jumpers
PWR_COM4 (For COM Port4)
PWR_COM5 (For COM Port5)
PWR_COM6 (For COM Port6)
1-2: +5V
2-3: +12V
15 :
4-Pin Chassis FAN Connector (+12V)
16 : 2-Pin Buzzer Header
17 : COM4, 5, 6 Headers (RS232)
18 : Digital Input / Output Default Value
Setting (JGPIO_SET1)
1-2: Pull-High
2-3: Pull-Low
19 : 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
7 :
BL1, BL2
8 : Backlight Volume Control (BLT_VOL1)
9 :
Backlight Power Connector (BLT_PWR1)
10 : Panel Power Select (LCD_VCC)
(PNL_PWR1)
1-2: LVDD: +3V
2-3: LVDD: +5V
4-5: LVDD: +12V
11 : Digital Input / Output Power Select
(JGPIO_PWR1)
1-2: +12V
2-3: +5V
3-4: +5V
4-5: GND
12 : 20-pin ATX Power Input
Connector
13 :
System Panel Header
1 : EDP_LVDS Jumpers
EDP_LVDS_J1:
1-2: eDP
2-3: LVDS
EDP_LVDS_J2:
1-2: eDP
2-3: LVDS
2 : Clear CMOS Jumper
Open: Normal
Short: Clear CMOS
3 :
4-Pin CPU FAN Connector
(+12V)
4 : ATX Power Connector
(Input 12V-24V)
1-2: GND
3-4: DC Input
5 : LVDS Panel Connector
6 : BLT_PWM1
1-2: +3V Level
2-3: +5V Level
IMB-156
Jumpers and Headers Setting Guide
10
1
20
11
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
GND
RESET#
PWRBTN#
PLED-
PLED+
GND
HDLED-
HDLED+
1
GND
The terms HDMI™ and HDMI High-Denition
Multimedia Interface, and the HDMI logo are
trademarks or registered trademarks of HDMI
Licensing LLC in the United States and other
countries.
FAN_SPEED
FAN_SPEED_CONTROL
GND
+12V
1 2 3 4
4
2
3
1
FAN_SPEED
FAN_SPEED_CONTROL
+12V
GND
4
3
2
1
PIN Signal Name
1 GPIO_VOL_UP
2 GPIO_VOL_DW
3 PWRDN
4 LVDS1 BLUP
5 LVDS1 BLDW
6 GND
7 GND
1
1
PIN Signal Name
1 GND
2 GND
3 BL CTL
4 BL EN
5 LCD_BLT_VCC
6 LCD_BLT_VCC
1
+5V
SPKR
1
2
PIN Signal
Name PIN Signal
Name PIN Signal
Name PIN Signal
Name PIN Signal
Name
1DDCD# 3TTXD 5GND 7RRTS# 9+5V
2RRXD 4DDTR# 6DDSR# 8CCTS# 10 +12V
BUZZ1
IMB-156
mini-PCIe
HDMI1
Industrial
DDR3_A1 (Support DDR3L Only)
DDR3_B1 (Support DDR3L Only)
M2_1
1
HD_AUDIO1
18
21
23
26
27
29
19
20
22
2425
28
123
4
5
6
7
8
9
10
11
12
13
14
15
17
SATA3_1
CPU_FAN1
1
LPC1
CLRMOS1
1
CHA_FAN1
SPEAKER1
1
ATX12 V1
SATA_PWR1
LVDS 1
1
1
PWR_COM3
PS2
Keyboard
PS2
Mouse
COM
Port 1
COM
Port 2
COM
Port 3
VGA1
Top:
LAN2
USB 3.0
T: USB3
B: USB2
Top:
LAN1
USB 3.0
T: USB1
B: USB0
Top:
Line Out
Bottom:
Mic In
ATXPWR1
1
PWR_COM2
1
PWR_COM1
1
BLT_VOL1
1
BLT_PWR1
1
PNL_PWR1
1
BKT_PWR1
31
30
33
32
35
34
37
36
1
BL1
PCIE1
SPDIF1
1
1
PWR_JP1
1
JGPIO_SET1
1
BLT_PWM1
VGA2
1
COM4
1
COM5
1
COM6
1
PANEL1
HDLED RESET
PLED PWRBTN
1
1
PWR_COM4
1
PWR_COM5
1
PWR_COM6
1
JGPIO_PWR1
1
CI2
1
CI1
1
BUZZ2
38
40
39
42
41
1
LPT_GPIO1
1
DP_LVDS_J1
CLRMOS2
EDP_LVDS_J2
E
1
1
1
BL2
1
USB2_PWR_H1
1
USB2_PWR_H2
1
USB3_PWR_H1
1
USB3_PWR_H2
M2_2
1
1
USB6_S_MPCIE1
USB2_6_7
1
USB2_4_5
1
USB6_S_MPCIE2
16
28
:
Front Panel Audio Header
29 : Audio Output
Green – Line Out
Pink – Mic In
30 : Top: RJ45 LAN Port (LAN2)
Bottom: USB3.0 Ports (USB3_2_3)
31 : USB Power Setting Jumpers
(USB2_PWR_H1, USB2_PWR_H2)
1-2: +5V
2-3: +5VSB
32 : USB2.0 Connectors
(USB2_4_5,
USB2_6_7)
33 : USB6_S_MPCIE1:
Pin1 short USB2_4_5 pin4 and pin6
short USB2_4_5 pin5: share USB port 5
of USB2_4_5 header to MPCIE1
USB6_S_MPCIE2:
Pin1 short USB2_6_7 pin4 and pin6
short USB2_6_7 pin5: share USB port 7
of USB2_6_7 header to MPCIE2
34 : Top: RJ45 LAN Port (LAN1)
Bottom: USB3.0 Ports (USB3_0_1)
35 : Clear CMOS Header
1-2: Normal
2-3: Clear CMOS
36 : USB Power Setting Jumpers
(USB3_PWR_H1, USB3_PWR_H2)
1-2: +5V
2-3: +5VSB
37 : VGA Header
38 : Top: COM Port 3 (RS232/422/485)*
Bottom: VGA/D-Sub Port
39 : COM Port PWR Setting Jumpers
PWR_COM1 (For COM Port1)
PWR_COM2 (For COM Port2)
PWR_COM3 (For COM Port3)
1-2: +5V
2-3: +12V
40 : Top: COM Port 1 (RS232/422/485)*
Bottom: COM Port 2 (RS232/422/485)*
41 : Top (Green) – PS/2 Mouse Port
Bottom (Purple) – PS/2 Keyboard Port
42 : HDMI Port
20 : Printer Port / GPIO Header (LPT_GPIO1)
Printer Port: GPIO:
21 : Chassis Intrusion Headers
CI1:
Close: Active Case Open
Open: Normal
Cl2:
Close: Normal
Open: Active Case Open
22 : ATX/AT Mode Select (PWR_JP1)
1-2: AT Mode
2-3: ATX Mode
23 : SATA Power Output Connector
24 : SATA3 Connector
(SATA3_1)
25 : LPC Header
26 : 3W Audio AMP Output
Wafer
27 : SPDIF Header
PIN Signal Name
1 OUTLN
2 OUTLP
3 OUTRP
4 OUTRN
1
DUMMY
SPDIF OUT
GND
1
SPD0
STB#
SPD1
SPD2
SPD3
SPD4
SPD6
SPD7
GND
GND
SLIN#
PINIT#
ERROR#
AFD#
GND
GND
GND
GND
GND
GND
SPD5
ACK#
BUSY
PE
SLCT
PIN Signal Name PIN Signal Name
26 NC 25 NA
24 GND 23 SIO_GP30
22 GND 21 SIO_GP31
20 GND 19 SIO_GP32
18 GND 17 SIO_GP33
16 GND 15 SIO_GP34
14 GND 13 SIO_GP35
12 JGPIOPWR 11 SIO_GP36
10 JGPIOPWR 9 SIO_GP37
8 SIO_GP43 7 SIO_GP40
6 SIO_GP44 5 SIO_GP41
4 SIO_GP45 3 SIO_GP42
2 SIO_GP46 1 SIO_GP47
*
If you want to use the printer port function, please
short pin4 and pin5 on
Digital Input / Output Power Select (JGPIO_PWR1).
1
MIC2_R
GND
OUT2_R
J_SENSE
MIC_RET
OUT_RET
MIC2_L
1
OUT2_L
BUZZ1
IMB-156
mini-PCIe
HDMI1
Industrial
DDR3_A1 (Support DDR3L Only)
DDR3_B1 (Support DDR3L Only)
M2_1
1
HD_AUDIO1
18
21
23
26
27
29
19
20
22
2425
28
123
4
5
6
7
8
9
10
11
12
13
14
15
17
SATA3_1
CPU_FAN1
1
LPC1
CLRMOS1
1
CHA_FAN1
SPEAKER1
1
ATX12 V1
SATA_PWR1
LVDS 1
1
1
PWR_COM3
PS2
Keyboard
PS2
Mouse
COM
Port 1
COM
Port 2
COM
Port 3
VGA1
Top:
LAN2
USB 3.0
T: USB3
B: USB2
Top:
LAN1
USB 3.0
T: USB1
B: USB0
Top:
Line Out
Bottom:
Mic In
ATXPWR1
1
PWR_COM2
1
PWR_COM1
1
BLT_VOL1
1
BLT_PWR1
1
PNL_PWR1
1
BKT_PWR1
31
30
33
32
35
34
37
36
1
BL1
PCIE1
SPDIF1
1
1
PWR_JP1
1
JGPIO_SET1
1
BLT_PWM1
VGA2
1
COM4
1
COM5
1
COM6
1
PANEL1
HDLED RESET
PLED PWRBTN
1
1
PWR_COM4
1
PWR_COM5
1
PWR_COM6
1
JGPIO_PWR1
1
CI2
1
CI1
1
BUZZ2
38
40
39
42
41
1
LPT_GPIO1
1
DP_LVDS_J1
CLRMOS2
EDP_LVDS_J2
E
1
1
1
BL2
1
USB2_PWR_H1
1
USB2_PWR_H2
1
USB3_PWR_H1
1
USB3_PWR_H2
M2_2
1
1
USB6_S_MPCIE1
USB2_6_7
1
USB2_4_5
1
USB6_S_MPCIE2
16
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
9COM1: +5V/+12V/+5VSB
COM2, 3: +5V/+12V
COM1: +5V/+12V/+5VSB
COM2, 3: +5V/+12V
COM1: +5V/+12V/+5VSB
COM2, 3: +5V/+12V
* This motherboard supports RS232/422/485 on COM1~3 ports. Please
refer to below table for the pin denition. In addition, COM1~3 ports
(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.
COM1~3 Ports Pin Denition
1
Signal
GND
GND
+5V
+12V
1
GND
1
DUMMY
GND
GND
+B
-B
USB_PWR
+A
-A
USB_PWR
1
1
PIN Signal Name PIN Signal Name
9DDC_CLK 10 DDC_DATA
7HSYNC 8VSYNC
5BLUE 6GND
3GREEN 4GND
1RED 2GND