RX370Q

1

Intel® Q370 Micro ATX Motherboard supports LGA1151 Coffee Lake CPUVersion 1.0

User’s Quick Start Card

www.bcmcom.comBCM RX370Q QIG V1.0

Item Description Item Description

A Front Audio Header R LVDS Panel Backlight Header

B AMP Speaker Header S Chassis Intrusion Header

C USB3.1 Gen1 Header(2x port) T LVDS PWM Control Selection

D 5x RS232 Header U Backlight Voltage Jumper

E 5x RS232 Voltage Selection Header V 4x DDR4 288pin Slot

F 3x USB2 Header (2x port) W System Fan

G Front Panel Header X CPU Fan

H 5x SATA III Connectors Y 4 pin ATX 12 Connector

I LPC Header Z Powered RS232 Jumper

J 1x SATA III Connectors (Shared with M.2) AA RS422/485 Mode Selection 

Jumper

K Clear CMOS Header BB LAN LED Header

L SPI Header CC LVDS/eDP Header

M AT/ATX Mode Selection DD PCIe X16 Slot ( x16 lanes)

N M.2 Type A/E 2232 (with USB & PCIe x2) EE PCIe X1 Slot

O 8 bits GPIO Header FF M.2 Type M 2242/60/80 Slot (with USB, PCIe x4 & SATA III) 

P LPT Header GG 2x PCIe X16 Slot (x4 lanes)

Q 24 pin ATX Connector

COM 2x DP

HDMI+USB(USB3.1 Gen1)

USB Type C(USB3.1 Gen2)

LAN+USB(USB3.1 Gen2)

Audio Jack

BB

CCDDEE

FF

GG

ABC

DE

F

G

H I J K L M N O P Q R

AAZ

Y

X

W

UTS

HH

V

Note: DO NOT recommend mix matching GOLD plated connectorswith TIN one.

2BCM RX370Q QIG V1.0

Front IO header

LVDS PWM Control SelectionPin Signal Name

1 PWM from PCH_BACKLIGHT

2 BKLT_PWM

3 PWM from I2C_AD5258

Backlight Voltage JumperPin Signal Name

1 VCC_5V

2 PCH BACKLIGHT_PWM 

3 VCC_3V

LVDS Connector     

Pin Description Pin Description1 VCC3 2 PANEL_PWR (5V)3 VCC3 4 PANEL_PWR (5V)5 LVDS_DDC_SCL 6 LVDS_DDC_SDA7 GND 8 GND9 LVDS0_LINK1_CON_DP 10 LVDS0_LINK0_CON_DP11 LVDS0_LINK1_CON_DN 12 LVDS0_LINK0_CON_DN13 GND 14 GND15 LVDS0_LINK3_CON_DP 16 LVDS0_LINK2_CON_DP17 LVDS0_LINK3_CON_DN 18 LVDS0_LINK2_CON_DN19 GND 20 GND21 LVDS1_LINK1_CON_DP 22 LVDS1_LINK0_CON_DP23 LVDS1_LINK1_CON_DN 24 LVDS1_LINK0_CON_DN25 GND 26 GND27 LVDS1_LINK3_CON_DP 28 LVDS1_LINK2_CON_DP29 LVDS1_LINK3_CON_DN 30 LVDS1_LINK2_CON_DN31 GND 32 GND33 LVDS1_CLK_CON_DP 34 LVDS0_CLK_CON_DP35 LVDS1_CLK_CON_DN 36 LVDS0_CLK_CON_DN37 GND 38 GND39 BKLT_PWR (12V) 40 BKLT_PWR (12V)

Pin Description Pin Description

1 HHD LED+ 2 PWR_LED+

3 HHD LED‐ 4 PWR_LED‐

5 GND 6 PWR_BTN

7 RST 8 GND

9 +5V 10 Key

3 p.2

(Default)

BCM RX370Q QIG V1.0

Pin Description Pin Description1 VCC3 2 PANEL_PWR (5V)3 VCC3 4 PANEL_PWR (5V)5 EDP_CPU_AUXN 6 EDP_CPU_AUXP7 GND 8 LVDS_HPDET9 eDP1_DP 10 eDP0_DP11 eDP1_DN 12 eDP0_DN13 GND 14 GND15 eDP3_DP 16 eDP2_DP17 eDP3_DN 18 eDP2_DN19 GND 20 GND21 BKLT_EN 22 PCH_BACKLIGHT_PWM23 None 24 None25 GND 26 GND27 None 28 None29 None 30 None31 GND 32 GND33 None 34 None35 None 36 None37 GND 38 GND39 BKLT_PWR (12V) 40 BKLT_PWR (12V)

Pin Signal Name Description

1 12V_BL Backlight Power_12V

2 GND Ground

3 BKLT_EN Backlight enable

4 BKLT_PWM Backlight PWM

5 5V_BL Backlight Power_5V

USB2 Header (2x port)Pin Signal Pin Signal1 5V_USB 2 5V_USB3 Data (negative) 4 Data (negative)5 Data (positive) 6 Data (positive)7 Ground 8 Ground9 Key 10 NC

eDP Connector(Optional) LVDS Panel Backlight Header

USB3.1 Gen1 Header (2x port)Pin Signal Pin Signal1 5V_USB31 20    KEY2 OB1_RXN 19 5V_USB323 OB1_RXP 18 OB2_RXN4 Ground 17 OB2_RXP5 OB1_TXN 16 Ground6 OB1_TXP 15 OB2_TXN 7 Ground 14 OB2_TXP8 OB1_DN 13 Ground9 OB1_DP 12 OB2_DN 

10 NC 11 OB2_DP

4 p.3BCM RX370Q QIG V1.0

Pin Signal Name Description1 MIC2‐L MIC L channel2 AGND GND3 MIC2‐R MIC R channel4 FP_R_HDADET_N Audio insertion detection5 LINE2‐R HP out Right channel6 MIC2‐JD MIC insertion detection7 FRONT‐IO‐SENSE FIO detection8 Key No pin9 LINE2‐L HPOUT L channel10 LINE2‐JD HP detection

Pin Signal Name1 Speaker_R‐2 Speaker_R+3 Speaker_L‐4 Speaker_L+

Pin Signal Name ECP Signal Name EPP Signal Name1 STROBE# STROBE# WRITE#2 AUTOFD# AUTOFD#, HOSACK DATASTB#3 PD0 PD0 PD0

4 FAULT#FAULT#, PERIPHREQST#

FAULT#

5 PD1 PD1 PD16 INT# INT#, REVERSERQST# RESET#7 PD2 PD2 PD28 SLCTIN# SLCTIN# ADDRSTB#9 PD3 PD3 PD310 GROUND GROUND GROUND11 PD4 PD4 PD412 GROUND GROUND GROUND13 PD5 PD5 PD514 GROUND GROUND GROUND15 PD6 PD6 PD616 GROUND GROUND GROUND17 PD7 PD7 PD718 GROUND GROUND GROUND19 ACK# ACK# INTR20 GROUND GROUND GROUND21 BUSY BUSY#, PERIPHACK WAIT#22 GROUND GROUND GROUND23 PERROR PE, ACKREVERSE# PE24 GROUND GROUND GROUND25 SELECT SELECT SELECT26 KEY  KEY KEY

Audio Header 

AMP Speaker Header

LPT Header 

5 p.4BCM RX370Q QIG V1.0

Pin Signal Name1 DCD2 RXD#3 TXD#4 DTR5 GND6 DSR7 RTS8 CTS9 RI10 Key

RS232 Voltage Selection Header 

Pin  Signal Pin  Signal

2 12V_RS232

3 COM‐RI pin 4 COM_Pin9(Default)

6 5V_RS232

Pin Signal Pin Signal1 RX6 2 RX6C3 DCD6 4 DCD6C5 TX6 6 TX6C7 DTR6 8 DTR6C

FAN Headers (CPU and System FAN)Pin Signal1 Ground2 +12V3 FAN_TACH4 FAN_CTRL

COM1~COM5: RS232 Header RS422/485 Mode Selection Jumper

Clear CMOS Header1‐2 Clear CMOS

2‐3 Normal (Default)

AT/ATX mode selection1‐2 AT Mode

2‐3 ATX Mode (Default)

6 p.5BCM RX370Q QIG V1.0

Pin  Signal Pin  Signal1 GPIO1 2 GPIO53 GPIO2 4 GPIO65 GPIO3 6 GPIO77 GPIO4 8 GPIO89 Key 10 GND

GPIO Header

7 p.6

Pin Signal Pin Signal

1 LAN1 SPEED 100 2 LAN2 SPEED 100

3 NC 4 NC

5 LAN1 SPEED 1G 6 LAN2 SPEED 1G

7 LAN1 LINK ACTIVITY 8 LAN2 LINK ACTIVITY

9 LAN1 LED 10 LAN2 LED

LAN LED Header

Pin Signal Pin Signal

1 LAD0 2 +3V

3 LAD1 4 PLTRST

5 LAD2 6 FRAME

7 LAD3 8 GND

9 CLK 10 Key

LPC Header

Pin

Signal

1 Intrusion Signal

2 GND

Chassis Intrusion Header

BCM RX370Q QIG V1.0

Drivers Installing Note

8

1 :Microsoft Windows update.DO the Microsoft Windows updatebefore to install BCM drivers for RX370Qor you might experience failure on somedrivers installation .

2 : How to do that.You could through the LAN2 port for theMicrosoft Windows update .

BCM RX370Q QIG V1.0