EnglishDeutsch
 logo
Brands
  1. Home
  2. •
  3. Brands
  4. •
  5. ASROCK
  6. •
  7. Motherboard
  8. •
  9. ASROCK IMB-155 Service manual

ASROCK IMB-155 Service manual

Other ASROCK Motherboard manuals

ASROCK 880GMH-LE USB3 - NOTICE 2 User manual

ASROCK

ASROCK 880GMH-LE USB3 - NOTICE 2 User manual

ASROCK 845GV-M User manual

ASROCK

ASROCK 845GV-M User manual

ASROCK K10N750SLI-110DB User manual

ASROCK

ASROCK K10N750SLI-110DB User manual

ASROCK SP2C741D16HM3 User manual

ASROCK

ASROCK SP2C741D16HM3 User manual

ASROCK N68C-S UCC User manual

ASROCK

ASROCK N68C-S UCC User manual

ASROCK ALIVESATA2-GLAN User manual

ASROCK

ASROCK ALIVESATA2-GLAN User manual

ASROCK IMB-A182 User manual

ASROCK

ASROCK IMB-A182 User manual

ASROCK P4VM900-SATA2 User manual

ASROCK

ASROCK P4VM900-SATA2 User manual

ASROCK B550M-ITX/AC User manual

ASROCK

ASROCK B550M-ITX/AC User manual

ASROCK A55M-VS User manual

ASROCK

ASROCK A55M-VS User manual

ASROCK P55 DELUXE - V1.1 User manual

ASROCK

ASROCK P55 DELUXE - V1.1 User manual

ASROCK H55DE3 User manual

ASROCK

ASROCK H55DE3 User manual

ASROCK IMB-1213 User manual

ASROCK

ASROCK IMB-1213 User manual

ASROCK G41M-S User manual

ASROCK

ASROCK G41M-S User manual

ASROCK X470 Master SLI User manual

ASROCK

ASROCK X470 Master SLI User manual

ASROCK H110M-PIO User manual

ASROCK

ASROCK H110M-PIO User manual

ASROCK N68C-GS UCC - User manual

ASROCK

ASROCK N68C-GS UCC - User manual

ASROCK ALIVENF5-ESATA2 -2943 - User manual

ASROCK

ASROCK ALIVENF5-ESATA2 -2943 - User manual

ASROCK N61P-GS - User manual

ASROCK

ASROCK N61P-GS - User manual

ASROCK K8 COMBO-Z User manual

ASROCK

ASROCK K8 COMBO-Z User manual

ASROCK NAB-9601 Service manual

ASROCK

ASROCK NAB-9601 Service manual

ASROCK H410M-HDV User manual

ASROCK

ASROCK H410M-HDV User manual

ASROCK H61M-VG3 User manual

ASROCK

ASROCK H61M-VG3 User manual

ASROCK FM2A88M+ BTC User manual

ASROCK

ASROCK FM2A88M+ BTC 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.

12 :
System Panel Header
13 : Printer Port / GPIO Header (LPT_GPIO1)
Printer Port: GPIO:
14 :
4-Pin Chassis FAN Connector (+12V)
15 : Digital Input / Output Default Value
Setting (JGPIO_SET1)
1-2: Pull-High
2-3: Pull-Low
16 : Digital Input / Output Power Select
1-2: +12V
2-3: +5V
3-4: +5V
4-5: GND
7 : Backlight Volume Control (BLT_VOL1)
8 :
Backlight Power Connector (BLT_PWR1)
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 : Panel Power Selection (LCD_VCC)
(PNL_PWR1)
1-2: LVDD: +3V
2-3: LVDD: +5V
4-5: LVDD: +12V
11 :
4-Pin CPU FAN Connector (+12V)
1 : 2-pin UPS Module Power Input Connector
Pin1: GND
Pin2: DC Input
2 : ATX Power Connector
(Input +12V & +19V~+24V)
1-4: GND
2-3: DC Input
3 : SATA Power Output Connector
4 : SATA3 Connector (SATA_1)
5 : LVDS Panel Connector
6 : BLT_PWM1
1-2: +3V Level
2-3: +5V Level
IMB-155
Jumpers and Headers Setting Guide
BUZZ1
BIOS
Chip
1
HD_AUDIO1
SATA_ 1
CHA_FAN1
PCIE1
mini-PCIe
1
LPC1
SPEAKER1
1
HDMI1
FROM_UPS1
PANEL1
HDLED RESET
PLED PWRBTN
1
1
LPT_GPIO1
SATA_PWR1
LVDS 1
1
1
BLT_PWR1
mini-SATA
1
PNL_PWR1
1
BKT_PWR1
DDR3_A1 (Support DDR3L Only)
DDR3_B1 (Support DDR3L Only)
SPDIF1
1
1
JGPIO_SET1
1
BLT_PWM1
VGA_H1
1
COM1
1
1
JGPIO_PWR1
IMB-155
Industrial
TO_UPS1
1
USB3_PWR1
1
USB3_PWR2
1
USB_PWR_H1
1
USB_PWR_H2
1
USB2H_0_1
1
USB2H_2_3
1
BUZZ2
COM4
1
COM5
1
COM6
1
1
PWR_COM1
1
PWR_COM4
1
PWR_COM5
1
PWR_COM6
1
CLRMOS1
1
PWR_JP1
1
CI2
1
CI1
CPU_FAN1
1
BLT_VOL1
Mic In
Line Out
VGA1
LAN2
LAN1
USB 3.0
T: USB3
B: USB2
USB 3.0
T: USB1
B: USB0
DC_JACK1
13
12
11
1
9
3
24
5
6
7
8
10
16
17
14
15
18
21
22 19
20
23
24
25
26
31
32
33
35
39
38
37
36
34
28
30
29
27
1
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
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
+5V
+12V
GND
1
1
39
40
2
1
PIN Signal Name
1 GND
2 GND
3 BL CTL
4 BL EN
5 LCD_BLT_VCC
6 LCD_BLT_VCC
FAN_SPEED
FAN_SPEED_CONTROL
+12V
GND 1
2
3
4
GND RESET#
PWRBTN#
PLED-
PLED+
GND
HDLED-
HDLED+
1
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).
FAN_SPEED
FAN_SPEED_CONTROL
+12V
GND
4
3
2
1
P/ N: 15G06M028001AK V1.1
*15G06M028001AK*
1
1
1
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.
22 : LPC Header
23 : Buzzer
24 : SPDIF Header
25 :
Front Panel Audio Header
26 : 3W Audio AMP Output Wafer
27 : Audio Output: Pink – Mic In
28 : Audio Output: Green – Line Out
29 : HDMI Port
30 : USB2.0 Connectors
(USB2H_0_1,
USB2H_2_3)
31 : USB Power Setting Jumpers
1-2: +5V
2-3: +5VSB
32 : VGA Port
33 : VGA Header
34 : RJ45 LAN Port (LAN2)
35 : RJ45 LAN Port (LAN1)
36 : USB3 Power Setting Jumpers
1-2: +5V
2-3: +5VSB
37 : USB3.0 Ports (USB3_2_3)
38 : USB3.0 Ports (USB3_0_1)
39 : DC Jack
17 : ATX/AT Mode Select
1-2: AT Mode
2-3: ATX Mode
18 : Chassis Intrusion Headers
CI1:
Close: Active Case Open
Open: Normal
Cl2:
Close: Normal
Open: Active Case Open
19 : Clear CMOS Header
1-2: Normal
2-3: Clear CMOS
20 : COM1 Header
(RS232/422/485)*
COM4, 5, 6 Headers (RS232)
21 : COM Port PWR Setting Jumpers
PWR_COM1, 4, 5, 6 (For COM Port1, 4, 5, 6)
1-2: +5V
2-3: +12V
BUZZ1
BIOS
Chip
1
HD_AUDIO1
SATA_ 1
CHA_FAN1
PCIE1
mini-PCIe
1
LPC1
SPEAKER1
1
HDMI1
FROM_UPS1
PANEL1
HDLED RESET
PLED PWRBTN
1
1
LPT_GPIO1
SATA_PWR1
LVDS 1
1
1
BLT_PWR1
mini-SATA
1
PNL_PWR1
1
BKT_PWR1
DDR3_A1 (Support DDR3L Only)
DDR3_B1 (Support DDR3L Only)
SPDIF1
1
1
JGPIO_SET1
1
BLT_PWM1
VGA_H1
1
COM1
1
1
JGPIO_PWR1
IMB-155
Industrial
TO_UPS1
1
USB3_PWR1
1
USB3_PWR2
1
USB_PWR_H1
1
USB_PWR_H2
1
USB2H_0_1
1
USB2H_2_3
1
BUZZ2
COM4
1
COM5
1
COM6
1
1
PWR_COM1
1
PWR_COM4
1
PWR_COM5
1
PWR_COM6
1
CLRMOS1
1
PWR_JP1
1
CI2
1
CI1
CPU_FAN1
1
BLT_VOL1
Mic In
Line Out
VGA1
LAN2
LAN1
USB 3.0
T: USB3
B: USB2
USB 3.0
T: USB1
B: USB0
DC_JACK1
13
12
11
1
9
3
24
5
6
7
8
10
16
17
14
15
18
21
22 19
20
23
24
25
26
31
32
33
35
39
38
37
36
34
28
30
29
27
1
1
PIN Signal Name
1 OUTLN
2 OUTLP
3 OUTRP
4 OUTRN
1
DUMMY
SPDIF OUT
GND
1
1
Signal
GND
1
2
PIN Signal
Name PIN Signal
Name PIN Signal
Name PIN Signal
Name PIN Signal
Name
1DDCD# 3TTXD 5GND 7RRTS# 9+5V/+12V
2RRXD 4DDTR# 6DDSR# 8CCTS# 10 NC
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 +5V/+12V +5V/+12V
10 NC NC NC
* 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
1
GND
GND
S_PWRDWN#
LAD2
SMB_CLK_MAIN
PCICLK
PCIRST#
LAD3
+3 V
LAD0
F_CLKRUN#
FRAME
SMB_DATA_MAIN
LAD1
SERIRQ#
GND
+3 VSB
48MHz +5 V
J_SENSE
OUT2_L
1
MIC_RET
PRESENCE#
GND
OUT2_R
MIC2_R
MIC2_L
OUT_RET
DUMMY
GND
GND
P+
P-
USB_PWR
P+
P-
USB_PWR
1
1
PIN Signal
Name PIN Signal
Name PIN Signal
Name PIN Signal
Name PIN Signal
Name
10 DDC_DATA 8VSYNC 6GND 4GND 2GND
9DDC_CLK 7HSYNC 5BLUE 3GREEN 1RED