Iei-integration IMB-Q670 v1.00 Manual de usuario

IMB-Q670 Micro-ATX Motherboard Page iIEI Technology Corp. User Manual MODEL: IMB-Q670 Micro-ATX LGA1155 Motherboard for Intel® Core™ i7/i5/i3 Quad/

IMB-Q670 Micro-ATX MotherboardPage x List of Tables Table 1-1: IMB-Q670 Specifications...

IMB-Q670 Micro-ATX MotherboardPage 88  IO=2D8h; IRQ=10, 11 Serial Port I/O port address is 2D8h and the interrupt address is IRQ10, 11 5.3.7.1.4

IMB-Q670 Micro-ATX Motherboard Page 895.3.7.1.5 Serial Port 5 Configuration  Serial Port [Enabled] Use the Serial Port option to enable or disable

IMB-Q670 Micro-ATX MotherboardPage 90  Disabled Disable the serial port  Enabled DEFAULT Enable the serial port  Change Settings [Auto] Use the

IMB-Q670 Micro-ATX Motherboard Page 91Aptio Setup Utility – Copyright (C) 2011 American Megatrends, Inc. Advanced PC Health Status C

IMB-Q670 Micro-ATX MotherboardPage 92 o 5VSB 5.3.8.1 FAN 1 Configuration Use the FAN 1 Configuration submenu (BIOS Menu 13) to configure fan 1 temp

IMB-Q670 Micro-ATX Motherboard Page 93 Target Temp. Sensor [CPU Temperature] Use the Target Temp. Sensor option to set the target CPU temperature.

IMB-Q670 Micro-ATX MotherboardPage 94 Aptio Setup Utility – Copyright (C) 2011 American Megatrends, Inc. Advanced PC Health Status C

IMB-Q670 Micro-ATX Motherboard Page 95 System Temperature1 Sets the target temperature sensor to the System Temperature1 setting.  System Tempera

IMB-Q670 Micro-ATX MotherboardPage 96 5.3.9.1 Serial Port 7 Configuration  Serial Port [Enabled] Use the Serial Port option to enable or disable t

IMB-Q670 Micro-ATX Motherboard Page 975.3.9.2 Serial Port 8 Configuration  Serial Port [Enabled] Use the Serial Port option to enable or disable t

IMB-Q670 Micro-ATX Motherboard Page xiTable 3-28: Serial Port Connector Pinouts ...

IMB-Q670 Micro-ATX MotherboardPage 98  Change Settings [Auto] Use the Change Settings option to change the serial port IO port address and interru

IMB-Q670 Micro-ATX Motherboard Page 99 IO=2B8h; IRQ=5 Serial Port I/O port address is 2B8h and the interrupt address is IRQ5  IO=2C0h; IRQ=5 Ser

IMB-Q670 Micro-ATX MotherboardPage 100 Aptio Setup Utility – Copyright (C) 2011 American Megatrends, Inc. Advanced COM1 Console Redi

IMB-Q670 Micro-ATX Motherboard Page 101 Disabled Disabled the console redirection function  Enabled DEFAULT Enabled the console redirection funct

IMB-Q670 Micro-ATX MotherboardPage 102 Aptio Setup Utility – Copyright (C) 2011 American Megatrends, Inc. Main Advanced Chipset Boot Security S

IMB-Q670 Micro-ATX Motherboard Page 1035.4.1 Northbridge Configuration Use the Northbridge Chipset Configuration menu (BIOS Menu 18) to configure th

IMB-Q670 Micro-ATX MotherboardPage 104  IGD Memory [64 M] Use the IGD Memory option to specify the amount of system memory that can be used by the

IMB-Q670 Micro-ATX Motherboard Page 105 480 M 480 MB of memory used by internal graphics device  512 M 512 MB of memory used by internal graph

IMB-Q670 Micro-ATX MotherboardPage 106 Aptio Setup Utility – Copyright (C) 2011 American Megatrends, Inc. Chipset Auto Power Button S

IMB-Q670 Micro-ATX Motherboard Page 107 Wake on LAN from S5 [Enabled] Use the Wake on LAN from S5 option to enable or disable GbE control PME in S

IMB-Q670 Micro-ATX MotherboardPage xii BIOS Menus BIOS Menu 1: Main ...

IMB-Q670 Micro-ATX MotherboardPage 108  Azalia HD Audio [Enabled] Use the Azalia HD Audio option to enable or disable the High Definition Audio co

IMB-Q670 Micro-ATX Motherboard Page 109 Enabled DEFAULT Enables PCIe LAN PXE Boot option  PCIe USB3.0 Controller [Enabled] Use the PCIe USB3.0 Co

IMB-Q670 Micro-ATX MotherboardPage 110  DVMT Mode Select [DVMT Mode] Use the DVMT Mode Select option to select the Intel Dynamic Video Memory Tech

IMB-Q670 Micro-ATX Motherboard Page 111Aptio Setup Utility – Copyright (C) 2011 American Megatrends, Inc. Chipset Intel ME Subsystem

IMB-Q670 Micro-ATX MotherboardPage 112 Aptio Setup Utility – Copyright (C) 2011 American Megatrends, Inc. Advanced AMT [Enabled] Un

IMB-Q670 Micro-ATX Motherboard Page 1135.5 Boot Use the Boot menu (BIOS Menu 23) to configure system boot options. Aptio Setup Utility – Copyright (

IMB-Q670 Micro-ATX MotherboardPage 114  Quiet Boot [Enabled] Use the Quiet Boot BIOS option to select the screen display when the system boots. 

IMB-Q670 Micro-ATX Motherboard Page 115 User Password Use the User Password to set or change a user password. 5.7 Exit Use the Exit menu (BIOS M

IMB-Q670 Micro-ATX MotherboardPage 116  Restore Defaults Use the Restore Defaults option to load the optimal default values for each of the parame

IMB-Q670 Micro-ATX Motherboard Page 117Appendix A A BIOS Options

IMB-Q670 Micro-ATX Motherboard Page 1Chapter 1 1 Introduction

IMB-Q670 Micro-ATX MotherboardPage 118 Below is a list of BIOS configuration options in the BIOS chapter. 　 System Overview ...

IMB-Q670 Micro-ATX Motherboard Page 119　 Full Speed Count ...

IMB-Q670 Micro-ATX MotherboardPage 120 　 DVMT Mode Select [DVMT Mode]...

IMB-Q670 Micro-ATX Motherboard Page 121Appendix B B Terminology

IMB-Q670 Micro-ATX MotherboardPage 122 AC ’97 Audio Codec 97 (AC’97) refers to a codec standard developed by Intel® in 1997. ACPI Advanced Configura

IMB-Q670 Micro-ATX Motherboard Page 123DIMM Dual Inline Memory Modules are a type of RAM that offer a 64-bit data bus and have separate electrical c

IMB-Q670 Micro-ATX MotherboardPage 124 LVDS Low-voltage differential signaling (LVDS) is a dual-wire, high-speed differential electrical signaling s

IMB-Q670 Micro-ATX Motherboard Page 125Appendix C C Digital I/O Interface

IMB-Q670 Micro-ATX MotherboardPage 126 C.1 Introduction The DIO connector on the IMB-Q670 is interfaced to GPIO ports on the Super I/O chipset. The

IMB-Q670 Micro-ATX Motherboard Page 127MOV AX, 6F08H Sets the digital port as input INT 15H Initiates the INT 15H BIOS call C.3.2 Enable the DIO Out

IMB-Q670 Micro-ATX MotherboardPage 2 1.1 Introduction Figure 1-1: IMB-Q670 The IMB-Q670 is a MicroATX motherboard. It accepts a Socket LGA1155 Intel

IMB-Q670 Micro-ATX MotherboardPage 128 Appendix D D Watchdog Timer

IMB-Q670 Micro-ATX Motherboard Page 129 NOTE: The following discussion applies to DOS environment. Contact IEI support or visit the IEI website for

IMB-Q670 Micro-ATX MotherboardPage 130 NOTE: When exiting a program it is necessary to disable the Watchdog Timer, otherwise the system resets. EXA

IMB-Q670 Micro-ATX Motherboard Page 131Appendix E E Compatibility

IMB-Q670 Micro-ATX MotherboardPage 132 NOTE: The compatible items described here have been tested by the IEI R&D team and found to be compatibl

IMB-Q670 Micro-ATX Motherboard Page 133Appendix F F Hazardous Materials Disclosure

IMB-Q670 Micro-ATX MotherboardPage 134 F.1 Hazardous Materials Disclosure Table for IPB Products Certified as RoHS Compliant Under 2002/95/EC Withou

IMB-Q670 Micro-ATX Motherboard Page 135Toxic or Hazardous Substances and Elements Part Name Lead (Pb) Mercury (Hg) Cadmium(Cd) Hexavalent Chromium(C

IMB-Q670 Micro-ATX MotherboardPage 136 此附件旨在确保本产品符合中国 RoHS 标准。以下表格标示此产品中某有毒物质的含量符合中国 RoHS 标准规定的限量要求。 本产品上会附有”环境友好使用期限”的标签，此期限是估算这些物质”不会有泄漏或突变”的年限。本产

IMB-Q670 Micro-ATX Motherboard Page 31.3 Features Some of the IMB-Q670 motherboard features are listed below:  Micro-ATX  RoHS compliant  LGA115

IMB-Q670 Micro-ATX MotherboardPage 4 1.4 Connectors The connectors on the IMB-Q670 are shown in the figure below. Figure 1-2: Connectors

IMB-Q670 Micro-ATX Motherboard Page 51.5 Dimensions The main dimensions of the IMB-Q670 are shown in the diagram below. Figure 1-3: IMB-Q670 Dimensi

IMB-Q670 Micro-ATX MotherboardPage 6 1.6 Data Flow 5Figure 1-4 shows the data flow between the system chipset, the CPU and other components installe

IMB-Q670 Micro-ATX Motherboard Page 71.7 Technical Specifications IMB-Q670 technical specifications are listed below. Specification/Model IMB-Q670

IMB-Q670 Micro-ATX MotherboardPage ii Revision Date Version Changes April 28, 2011 1.00 Initial release

IMB-Q670 Micro-ATX MotherboardPage 8 Specification/Model IMB-Q670 Ethernet Two RJ-45 ports Keyboard/Mouse Dual PS/2 port TPM 2 x 10-pin pin header

IMB-Q670 Micro-ATX Motherboard Page 9Chapter 2 2 Packing List

IMB-Q670 Micro-ATX MotherboardPage 10 2.1 Anti-static Precautions WARNING! Static electricity can destroy certain electronics. Make sure to follow

IMB-Q670 Micro-ATX Motherboard Page 112.3 Packing List NOTE: If any of the components listed in the checklist below are missing, do not proceed wit

IMB-Q670 Micro-ATX MotherboardPage 12 Quantity Item and Part Number Image 1 Quick Installation Guide Table 2-1: Packing List 2.4 Optional Items

IMB-Q670 Micro-ATX Motherboard Page 13Item and Part Number Image 20-Pin INFINEON TPM Module, S/W management tool (P/N: TPM-IN01-R10) Table 2-2: O

IMB-Q670 Micro-ATX MotherboardPage 14 Chapter 3 3 Connectors

IMB-Q670 Micro-ATX Motherboard Page 153.1 Peripheral Interface Connectors This chapter details all the jumpers and connectors. 3.1.1 IMB-Q670 Layout

IMB-Q670 Micro-ATX MotherboardPage 16 Connector Type Label CPU fan 4-pin wafer CPU_FAN CPU power 4-pin box header CPU12V1 Digital I/O 24-pin

IMB-Q670 Micro-ATX Motherboard Page 17Connector Type Label Audio connector Audio jack AUDIO_JACK Keyboard/Mouse Dual PS/2 KBMS Ethernet and US

IMB-Q670 Micro-ATX Motherboard Page iiiCopyright COPYRIGHT NOTICE The information in this document is subject to change without prior notice in orde

IMB-Q670 Micro-ATX MotherboardPage 18 Figure 3-2: ATX Power Connector Pinout Location Pin Description Pin Description 1 +3.3 V 13 +3.3 V 2 +3.

IMB-Q670 Micro-ATX Motherboard Page 19CN Type: 3-pin slot CN Location: See Figure 3-3 CN Pinouts: See Table 3-4 This is connected to the system batt

IMB-Q670 Micro-ATX MotherboardPage 20 The fan connector attaches to a CPU cooling fan. Figure 3-4: CPU Fan Connector Location PIN NO. DESCRIPTION

IMB-Q670 Micro-ATX Motherboard Page 21 Figure 3-5: CPU Power Connector Location PIN NO. DESCRIPTION 1 GND 2 GND 3 +12V 4 +12V Table 3-6: CPU P

IMB-Q670 Micro-ATX MotherboardPage 22 Figure 3-6: Digital I/O Connector Location PIN NO. DESCRIPTION PIN NO. DESCRIPTION 1 GND 2 +5V 3 D_IN0

IMB-Q670 Micro-ATX Motherboard Page 23This connector connects to speakers, a microphone and an audio input. Figure 3-7: Front Panel Audio Connector

IMB-Q670 Micro-ATX MotherboardPage 24 Figure 3-8: Front Panel Connector Location FUNCTION PIN DESCRIPTION FUNCTION PIN DESCRIPTION Power LED

IMB-Q670 Micro-ATX Motherboard Page 25 Figure 3-9: FW Programming Connector Location Pin Description Pin Description 1 +3.3V 2 TDO 3 TDI 4 NC 5

IMB-Q670 Micro-ATX MotherboardPage 26 Figure 3-10: Infrared Connector Location Pin Description 1 +5V 2 NC 3 IR_RX 4 GND 5 IR_TX Table 3-11: Infrar

IMB-Q670 Micro-ATX Motherboard Page 27 Figure 3-11: Memory Card Slot Location 3.2.11 PCH Fan Connector CN Label: PCH_FAN CN Type: 3-pin header CN L

IMB-Q670 Micro-ATX MotherboardPage iv Table of Contents 1 INTRODUCTION...

IMB-Q670 Micro-ATX MotherboardPage 28 Figure 3-12: PCH Fan Connector Location Pin Description 1 FANIN 2 +12V 3 GND Table 3-12: PCH Fan Connector P

IMB-Q670 Micro-ATX Motherboard Page 29 Figure 3-13: PCIe Power Location Pin Description 1 VCC +5V 2 GND 3 GND 4 VCC +12V Table 3-13: PCIe Power Pin

IMB-Q670 Micro-ATX MotherboardPage 30 Figure 3-14: SATA 3Gb/s Drive Connector Location Pin Description Pin Description 1 GND 9 SATATXP3/5 2 SATAT

IMB-Q670 Micro-ATX Motherboard Page 31The SATA drive connectors can be connected to SATA drives. Figure 3-15: SATA 6Gb/s Drive Connector Location

IMB-Q670 Micro-ATX MotherboardPage 32 Used for RS-422/485 communications. Figure 3-16: Serial Port Connector Location PIN NO. DESCRIPTION PIN NO

IMB-Q670 Micro-ATX Motherboard Page 33 Figure 3-17: Serial Port Connector Location PIN NO. DESCRIPTION PIN NO. DESCRIPTION 1 NDCD3/7# 2 NDSR3

IMB-Q670 Micro-ATX MotherboardPage 34 PIN NO. DESCRIPTION PIN NO. DESCRIPTION 39 GND 40 GND Table 3-17: Serial Port Connector Pinouts 3.2.17 S

IMB-Q670 Micro-ATX Motherboard Page 35PIN DESCRIPTION Table 3-18: SMBus Connector Pinouts 3.2.18 SPDIF Connector CN Label: SPDIF CN Type: 5-pin he

IMB-Q670 Micro-ATX MotherboardPage 36 3.2.19 SPI Connector CN Label: SPI CN Type: 8-pin header CN Location: See Figure 3-20 CN Pinouts: See Table 3

IMB-Q670 Micro-ATX Motherboard Page 37The fan connector attaches to a cooling fan. Figure 3-21: System Fan Connector Location PIN NO. DESCRIPTION

IMB-Q670 Micro-ATX Motherboard Page v3.2.11 PCH Fan Connector...

IMB-Q670 Micro-ATX MotherboardPage 38 Figure 3-22: TPM Connector Location PIN NO. DESCRIPTION PIN NO. DESCRIPTION 1 TPMCLK 2 GND 3 LFRAME-

IMB-Q670 Micro-ATX Motherboard Page 39The USB connectors connect to USB devices. Each pin header provides two USB ports. Figure 3-23: USB Connector

IMB-Q670 Micro-ATX MotherboardPage 40 3.3 External Peripheral Interface Connector Panel The figure below shows the external peripheral interface con

IMB-Q670 Micro-ATX Motherboard Page 41 Figure 3-25: Audio Connector 3.3.2 Keyboard/Mouse Connector CN Label: KBMS CN Type: Dual PS/2 CN Location: S

IMB-Q670 Micro-ATX MotherboardPage 42 CN Type: RJ-45, USB CN Location: See Figure 3-24 CN Pinouts: See Table 3-25 and Table 3-26 The LAN connector

IMB-Q670 Micro-ATX Motherboard Page 43The HDMI port connects to an HDMI device. PIN NO. DESCRIPTION PIN NO. DESCRIPTION 1 HDMI_TMDS_C_DATA2 13

IMB-Q670 Micro-ATX MotherboardPage 44 Figure 3-26: Serial Port Connector Pinouts 3.3.6 VGA and DVI Connector CN Label: DVI+CRT CN Type: 15-pin Fem

IMB-Q670 Micro-ATX Motherboard Page 45 Figure 3-27: VGA Connector The DVI connector connects to a monitor that supports DVI video input. PIN DESC

IMB-Q670 Micro-ATX MotherboardPage 46 Chapter 4 4 Installation

IMB-Q670 Micro-ATX Motherboard Page 474.1 Anti-static Precautions WARNING: Failure to take ESD precautions during the installation of the IMB-Q670

IMB-Q670 Micro-ATX MotherboardPage vi 4.5.1 Audio Connector ...

IMB-Q670 Micro-ATX MotherboardPage 48 WARNING: The installation instructions described in this manual should be carefully followed in order to prev

IMB-Q670 Micro-ATX Motherboard Page 494.2.1 Socket LGA1155 CPU Installation NOTE: To enable Hyper-Threading, the CPU and chipset must both suppor

IMB-Q670 Micro-ATX MotherboardPage 50 Step 1: Remove the protective cover. The black protective cover can be removed by pulling up on the tab label

IMB-Q670 Micro-ATX Motherboard Page 51Step 4: Orientate the CPU properly. The contact array should be facing the CPU socket. Step 5: Correctly pos

IMB-Q670 Micro-ATX MotherboardPage 52 4.2.2 Socket LGA1155 Cooling Kit Installation WARNING: DO NOT use the original Intel® heat sink and fan. A pr

IMB-Q670 Micro-ATX Motherboard Page 53Step 3: Mount the cooling kit. Gently place the cooling kit on top of the CPU. Make sure the four threaded sc

IMB-Q670 Micro-ATX MotherboardPage 54 4.2.3 DIMM Installation To install a DIMM, please follow the steps below and refer to Figure 4-7. Figure 4-7:

IMB-Q670 Micro-ATX Motherboard Page 554.3 Jumper Settings NOTE: A jumper is a metal bridge used to close an electrical circuit. It consists of tw

IMB-Q670 Micro-ATX MotherboardPage 56 Setting Description Open AT power (Default) Closed ATX power Table 4-2: AT/ATX Power Mode Jumper Settings

IMB-Q670 Micro-ATX Motherboard Page 57 Figure 4-9: Clear BIOS Jumper Location 4.3.3 ME Debug Connector CN Label: J_FLASH1 CN Type: 3-pin header CN

IMB-Q670 Micro-ATX Motherboard Page vii5.3.10 Serial Port Console Redirection ... 9

IMB-Q670 Micro-ATX MotherboardPage 58 PIN NO. DESCRIPTION Short 1-2 Overwrite disable Short 2-3 Overwrite enable Table 4-4: ME Debug Connector Pi

IMB-Q670 Micro-ATX Motherboard Page 59CN Type: 3-pin header CN Location: See Figure 4-12 CN Pinouts: See Table 4-6 The Wake-on LAN connector allows

IMB-Q670 Micro-ATX MotherboardPage 60 Step 1: Locate the connectors. The locations of the SATA drive connectors are shown in Chapter 3. Step 2: In

IMB-Q670 Micro-ATX Motherboard Page 61 Figure 4-14: SATA Power Drive ConnectionThe SATA power cable can be bought from IEI. See Optional Items in Se

IMB-Q670 Micro-ATX MotherboardPage 62 Figure 4-15: Audio Connector Step 3: Check audio clarity. Check that the sound is coming through the right s

IMB-Q670 Micro-ATX Motherboard Page 63 Figure 4-16: LAN Connection Step 6: Insert the LAN cable RJ-45 connector. Once aligned, gently insert the LA

IMB-Q670 Micro-ATX MotherboardPage 64 Figure 4-17: Parallel Device Connector Step 3: Secure the connector. Secure the DB-25 connector to the exter

IMB-Q670 Micro-ATX Motherboard Page 65 Figure 4-18: PS/2 Keyboard/Mouse Connector 4.5.5 Serial Device Connection The IMB-Q670 has a single female DB

IMB-Q670 Micro-ATX MotherboardPage 66 Figure 4-19: Serial Device Connector Step 3: Secure the connector. Secure the serial device connector to the

IMB-Q670 Micro-ATX Motherboard Page 67 Figure 4-20: USB Connector 4.5.7 VGA Monitor Connection The IMB-Q670 has a single female DB-15 connector on t

IMB-Q670 Micro-ATX MotherboardPage viii List of Figures Figure 1-1: IMB-Q670...

IMB-Q670 Micro-ATX MotherboardPage 68 Figure 4-21: VGA Connector Step 4: Secure the connector. Secure the DB-15 VGA connector from the VGA monitor

IMB-Q670 Micro-ATX Motherboard Page 69 Figure 4-22: Introduction Screen Step 3: Click IMB-Q670. Step 4: A new screen with a list of available driv

IMB-Q670 Micro-ATX MotherboardPage 70 Figure 4-23: Available Drivers Step 5: Install all of the necessary drivers in this menu. Step 0:

IMB-Q670 Micro-ATX Motherboard Page 71Chapter 5 5 BIOS

IMB-Q670 Micro-ATX MotherboardPage 72 5.1 Introduction The BIOS is programmed onto the BIOS chip. The BIOS setup program allows changes to certain s

IMB-Q670 Micro-ATX Motherboard Page 73Key Function Esc key Main Menu – Quit and not save changes into CMOS Status Page Setup Menu and Option Page

IMB-Q670 Micro-ATX MotherboardPage 74 5.2 Main The Main BIOS menu (BIOS Menu 1) appears when the BIOS Setup program is entered. The Main menu gives

IMB-Q670 Micro-ATX Motherboard Page 75The System Overview field also has two user configurable fields:  System Date [xx/xx/xx] Use the System Date

IMB-Q670 Micro-ATX MotherboardPage 76 Aptio Setup Utility – Copyright (C) 2011 American Megatrends, Inc. Main Advanced Chipset Boot Security Sav

IMB-Q670 Micro-ATX Motherboard Page 77 ACPI Sleep State [S1 (CPU Stop Clock)] Use the ACPI Sleep State option to specify the sleep state the syste

IMB-Q670 Micro-ATX Motherboard Page ixFigure 3-27: VGA Connector ...

IMB-Q670 Micro-ATX MotherboardPage 78  TPM Support [Disable] Use the TPM Support option to configure support for the TPM.  Disable DEFAULT TPM su

IMB-Q670 Micro-ATX Motherboard Page 795.3.3.1 CPU Information Use the CPU Information submenu (BIOS Menu 6) to view detailed CPU specifications and

IMB-Q670 Micro-ATX MotherboardPage 80  L2 Cache: Lists the amount of storage space on the L2 cache.  L3 Cache: Lists the amount of storage space

IMB-Q670 Micro-ATX Motherboard Page 81 SATA Mode [AHCI Mode] Use the SATA Mode option to configure SATA devices as normal IDE devices.  Disable

IMB-Q670 Micro-ATX MotherboardPage 82 Aptio Setup Utility – Copyright (C) 2011 American Megatrends, Inc. Advanced Intel Trusted Execu

IMB-Q670 Micro-ATX Motherboard Page 83 USB Support [Enabled] Use the USB Support option to enable or disable USB support on the system.  Disabled

IMB-Q670 Micro-ATX MotherboardPage 84 5.3.7 Super IO Configuration Use the Super IO Configuration menu (BIOS Menu 10) to set or change the configura

IMB-Q670 Micro-ATX Motherboard Page 855.3.7.1 Serial Port n Configuration Use the Serial Port n Configuration menu (BIOS Menu 11) to configure the s

IMB-Q670 Micro-ATX MotherboardPage 86  IO=3F8h; IRQ=3, 4 Serial Port I/O port address is 3F8h and the interrupt address is IRQ3,4  IO=2F8h; IRQ=3

IMB-Q670 Micro-ATX Motherboard Page 87 IO=2C8h; IRQ=3, 4 Serial Port I/O port address is 2C8h and the interrupt address is IRQ3, 4  Device Mode