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MSI P4M900M2 Series User Manual

Ms-7255 (v2.x) mainboard
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P4M890M2 / P4M900M2
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MS-7255 (v2.X) Mainboard
G52-72551X8
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Summary of Contents for MSI P4M900M2 Series

  • Page 1 P4M890M2 / P4M900M2 Series MS-7255 (v2.X) Mainboard G52-72551X8...

  • Page 2: Trademarks

    If a problem arises with your system and no solution can be obtained from the user’s manual, please contact your place of purchase or local distributor. Alternatively, please try the following help resources for further guidance. Visit the MSI website for FAQ, technical guide, BIOS updates, driver updates, and other information: http://www.msi.com.tw/program/service/faq/ faq/esc_faq_list.php...

  • Page 3: Safety Instructions

    Safety Instructions Always read the safety instructions carefully. Keep this User’s Manual for future reference. Keep this equipment away from humidity. Lay this equipment on a reliable flat surface before setting it up. The openings on the enclosure are for air convection hence protects the equip- ment from overheating.

  • Page 4: Fcc-B Radio Frequency Interference Statement

    FCC-B Radio Frequency Interference Statement T h is eq uip men t h as been tested and found to c omply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.

  • Page 5: Weee (Waste Electrical And Electronic Equipment) Statement

    WEEE (Waste Electrical and Electronic Equipment) Statement...

  • Page 8: Table Of Contents

    CONTENTS Copyright Notice ......................ii Trademarks ........................ii Revision History ......................ii Technical Support ......................ii Safety Instructions ......................iii FCC-B Radio Frequency Interference Statement ............iv W EEE (Waste Electrical and Electronic Equipment) Statement ........v Chapter 1. Getting Started ..................1-1 Mainboard Specifications ...................
  • Page 9 PCI (Peripheral Component Interconnect) Express Slots ....... 2-19 PCI (Peripheral Component Interconnect) Slots ........2-19 PCI Interrupt Request Routing ..............2-20 Chapter 3 BIOS Setup ..................... 3-1 Entering Setup ..................... 3-2 The Main Menu ..................... 3-4 Standard CMOS Features ................... 3-6 Advanced BIOS Features ...................

  • Page 10: Chapter 1. Getting Started

    Getting Started Chapter 1 Getting Started Thank you for choosing the P4M890M2 / P4M900M2 Series (MS-7255 v2.X) Micro ATX mainboard. The MS- 7255 Series mainboards are based on VIA ® P4M890/ P4M900 & VIA ® 8237A/8237S chipsets for optimal sys- tem efficiency.

  • Page 11: Mainboard Specifications

    - Supports EIST Technology - Supports Hyper-Threading (HT) Technology - Supports Intel Dual Core Technology W e recommend use processor with 95w power consumption For the latest information about CPU, please visit http://www.msi. com.tw/program/products/mainboard/mbd/ pro_mbd_cpu_support.php Supported FSB - 1066/ 800/ 533 MHz...

  • Page 12: Getting Started

    Getting Started Floppy - 1 floppy port - Supports 1 FDD with 360K, 720K, 1.2M, 1.44M and 2.88Mbytes Connectors Back panel - 1 PS/2 mouse port - 1 PS/2 keyboard port - 1 serial port (COM1) - 1 parallel port supporting SPP/EPP/ECP mode - 1 D-Sub VGA port - 4 USB 2.0 Ports - 1 LAN jack...

  • Page 13: Mainboard Layout

    JPWR2 /P4M900 Line-In Line-Out T:RS-Out PCIE_1 LAN Chip M:CS-Out B:SS-Out PCI E_2 LAN Chip PCI 1 VT8237A / SATA2 VT8237S(optional) BATT PCI 2 SATA1 Codec BIOS JUSB2 JUSB1 JAUD1 JCD1 FDD 1 P4M890M2 / P4M900M2 Series (MS-7255 v2.X) M-ATX Mainboard...

  • Page 14: Packing Checklist

    Getting Started Packing Checklist MSI Driver/Utility CD SATA Cable (Optional) MSI motherboard Standard Cable for Power Cable Back IO Shield IDE Devices User’s Guide * The pictures are for reference only. Your packing contents may vary depending on the model you purchased.

  • Page 15: Pc Alerttm 4

    M S-7255 M ainboard PC Alert The PC Alert 4 is a utility you can find in the CD-ROM disk. The utility is just like your PC doctor that can detect the following PC hardware status during real time operation: ö...

  • Page 16: Chapter 2. Hardware Setup

    Hardware Setup Chapter 2 Hardware Setup This chapter provides you with the information about hardware setup procedures. While doing the installation, be careful in holding the components and follow the installation procedures. For some components, if you install in the wrong orientation, the components will not work properly.

  • Page 17: Quick Components Guide

    M S-7255 M ainboard Quick Components Guide JCOM2, PWRFAN1, p.2-14 p.2-13 JPWR1, CPUFAN1, CPU, JCASE1, JSPDIFOUT1, p.2-8 p.2-13 p.2-3 p.2-13 p.2-14 JPWR2, p.2-8 SYSFAN1, p.2-13 Back Panel, DIMM slots, p.2-7 p.2-9 IDE1~2, p.2-11 PCIE_1~2, p.2-19 JBAT1, p.2-18 SATA1~2, p.2-12 PCI1~2, p.2-19 JFP1~2, p.2-15 FDD1,...

  • Page 18: Cpu (Central Processing Unit)

    CPU, make sure to install the cooler to prevent overheating. If you do not have the CPU cooler, contact your dealer to purchase and install them before turning on the computer. For the latest information about CPU, please visit http://www.msi.com.tw/program/ products/mainboard/mbd/pro_mbd_cpu_support.php. Important 1.

  • Page 19: Cpu & Cooler Installation

    M S-7255 M ainboard CPU & Cooler Installation W hen you are installing the CPU, make sure the CPU has a cooler at- tached on the top to prevent overheating. If you do not have the cooler, contact your dealer to purchase and install them before turning on the computer. Meanwhile, do not forget to apply some silicon heat transfer compound on CPU before installing the heat sink/cooler fan for better heat dispersion.
  • Page 20 Hardware Setup Important 1. Confirm if your CPU cooler is firmly installed before turning on your system. 2. Do not touch the CPU socket pins to avoid damaging. 3. The availability of the CPU land side cover depends on your CPU packing. 5.
  • Page 21 M S-7255 M ainboard 9. Press down the load lever lightly 10. Align the holes on the mainboard onto the load plate, and then se- with the heatsink. Push down the cure the lever with the hook under c ooler u nti l i ts f ou r c lip s g et retention tab.

  • Page 22: Memory

    Hardware Setup Memory The mainboard provides two 240-pin non-ECC DDRII DIMM slots. For more information on compatible components, please visit http://www.msi.com.tw/ program/products/mainboard/mbd/pro_mbd_trp_list.php. DDRII 240-pin, 1.8V 64x2=128 pin 56x2=112 pin Installing DDRII Modules 1. The memory module has only one notch on the center and will only fit in the right orientation.

  • Page 23: Power Supply

    M S-7255 M ainboard Power Supply ATX 24-Pin Power Connector: JPWR2 This connector allows you to connect an ATX 24-pin power supply. To connect the ATX 24-pin power supply, make sure the plug of the pin 13 power supply is inserted in the proper orientation and the pins are aligned.

  • Page 24: Back Panel

    Hardware Setup Back Panel L-In RS-Out Parallel Mouse L-Out CS-Out SS-Out Keyboard Serial Port VGA Port USB Ports M ouse/Keyboard Connector The standard PS/2 mouse/keyboard DIN connector is for a PS/2 mouse/keyboard. ® ® Parallel Port Connector A parallel port is a standard printer port that supports Enhanced Parallel Port (EPP) and Extended Capabilities Parallel Port (ECP) mode.
  • Page 25 M S-7255 M ainboard Audio Port Connectors These audio connectors are used for audio devices. You can differentiate the color of the audio jacks for different audio sound effects. Blue audio jack - Line In, is used for external CD player, tapeplayer or other audio devices.

  • Page 26: Connectors

    Hardware Setup Connectors Floppy Disk Drive Connector: FDD1 This standard FDD connector supports 360K, 720K, 1.2M, 1.44M and 2.88M floppy disk types. FDD1 ATA133 Hard Disk Connectors: IDE1 & IDE2 The mainboard has a 32-bit Enhanced PCI IDE and Ultra DMA 66/100/133 controller that provides PIO mode 0~4, Bus Master, and Ultra DMA 66/100/133 function.

  • Page 27: Serial Ata Connectors: Sata1, Sata2

    M S-7255 M ainboard Serial ATA Connectors: SATA1, SATA2 SATA1, SATA2 are high-speed Serial ATA interface ports. VIA 8237A supports first generation Serial ATA, data transfer up to 150MB/s. VIA 8237S (optional) supports second generation Serial ATA, data transfer up to 300MB/s. specifications. Each Serial ATA connector can connect to one hard disk device.

  • Page 28: Fan Power Connectors: Cpufan1, Pwrfan1, Sysfan1

    Hardware Setup Fan Power Connectors: CPUFAN1, PWRFAN1, SYSFAN1 The fan power connectors support system cooling fan with +12V. W hen connecting the wire to the connectors, always take note that the red wire is the positive and should be connected to the +12V, the black wire is Ground and should be connected to GND.

  • Page 29: Serial Port Connector: Jcom 2

    M S-7255 M ainboard Serial Port Connector: JCOM 2 The mainboard provides one 9-pin header as serial port JCOM 2. The port is a 16550A high speed communication port that sends/receives 16 bytes FIFOs. You can attach a serial mouse or other serial devices directly to it. Pin Definition JCOM2 SIGNAL...

  • Page 30: Front Panel Connectors: Jfp1/Jfp2

    Hardware Setup Front Panel Connectors: JFP1/JFP2 The mainboard provides two front panel connectors for electrical connection to the front panel switches and LEDs. The JFP1 is compliant with Intel Front Panel I/O ® Connectivity Design Guide. JFP1 JFP2 Power Reset Switch Switch Speaker...

  • Page 31: Front Panel Audio Connector: Jaud1

    M S-7255 M ainboard Front Panel Audio Connector: JAUD1 The JAUD1 front panel audio connector allows you to connect the front panel audio and is compliant with Intel Front Panel I/O Connectivity Design Guide. ® JAUD1 JAUD1 Pin Definition SIGNAL DESCRIPTION AUD_MIC Front panel microphone input signal...

  • Page 32: Front Usb Connectors: Jusb1, Jusb2

    Hardware Setup Front USB Connectors: JUSB1, JUSB2 The mainboard provides two USB 2.0 pinheaders (optional USB 2.0 bracket available) that are compliant with Intel I/O Connectivity Design Guide. USB 2.0 technology ® increases data transfer rate up to a maximum throughput of 480Mbps, which is 40 times faster than USB 1.1, and is ideal for connecting high-speed USB interface peripherals such as USB HDD, digital cameras, M P3 players, printers, mo- dems and the like.

  • Page 33: Jumpers

    M S-7255 M ainboard Jumpers Clear CMOS Jumper: JBAT1 There is a CMOS RAM onboard that has a power supply from external battery to keep the data of system configuration. With the CMOS RAM, the system can automatically boot OS every time it is turned on. If you want to clear the system configuration, set the JBAT1 (Clear CMOS Jumper ) to clear data.

  • Page 34: Slots

    Hardware Setup Slots PCI (Peripheral Component Interconnect) Express Slots PCI Express architecture provides a high performance I/O infrastructure for Desktop Platforms with transfer rates starting at 2.5 Giga transfers per second over a PCI Express x1 lane for Gigabit Ethernet, TV Tuners, 1394 controllers, and general pur- pose I/O.

  • Page 35: Pci Interrupt Request Routing

    M S-7255 M ainboard PCI Interrupt Request Routing The IRQ, acronym of interrupt request line and pronounced I-R-Q, are hardware lines over which devices can send interrupt signals to the microprocessor. The PCI IRQ pins are typically connected to the PCI bus pins as follows: Order 1 Order 2 Order 3...

  • Page 36: Chapter 3 Bios Setup

    BIOS Setup Chapter 3 BIOS Setup This chapter provides information on the BIOS Setup program and allows you to configure the system for optimum use. You may need to run the Setup program when: ² An error message appears on the screen during the system booting up, and requests you to run SETUP.

  • Page 37: Entering Setup

    M S-7255 M ainboard Entering Setup Power on the computer and the system will start POST (Power On Self Test) process. W hen the message below appears on the screen, press <DEL> key to enter Setup. Press DEL to enter SETUP If the message disappears before you respond and you still wish to enter Setup, restart the system by turning it OFF and On or pressing the RESET button.

  • Page 38: Control Keys

    BIOS Setup Control Keys < ↑> Move to the previous item < ↓> Move to the next item < ←> Move to the item in the left hand < →> Move to the item in the right hand Select the item <Enter>...

  • Page 39: The Main Menu

    M S-7255 M ainboard The Main Menu Standard CM OS Features Use this menu for basic system configurations, such as time, date etc. Advanced BIOS Features Use this menu to setup the items of AWARD ® special enhanced features. Integrated Peripherals Use this menu to specify your settings for integrated peripherals.
  • Page 40 BIOS Setup Load Optimized Defaults Use this menu to load the default values set by the mainboard manufacturer specifi- cally for optimal performance of the mainboard. BIOS Setting Password Use this menu to set the password for BIOS. Save Changes and Exit Save changes to CMOS and exit setup.

  • Page 41: Standard Cmos Features

    M S-7255 M ainboard Standard CMOS Features The items in Standard CMOS Features Menu includes some basic setup items. Use the arrow keys to highlight the item and then use the <+> or <-> keys to select the value you want in each item. Date (MM:DD:YY) This allows you to set the system to the date that you want (usually the current date).

  • Page 42: Advanced Bios Features

    BIOS Setup Advanced BIOS Features Boot Sector Protection This function protects the BIOS from accidental corruption by unauthorized users or computer viruses. W hen enabled, the BIOS’ data cannot be changed when attempt- ing to update the BIOS with a Flash utility. To successfully update the BIOS, you’ll need to disable this Flash BIOS Protection function.
  • Page 43 M S-7255 M ainboard MPS Revision This field allows you to select which MPS (Multi-Processor Specification) version to be used for the operating system. You need to select the MPS version supported by your operating system. To find out which version to use, consult the vendor of your operating system.
  • Page 44 BIOS Setup Boot Device Priority Press <Enter> to enter the sub-menu. 1st / 2nd / 3rd Boot Device The original IBM PCs loaded the DOS operating system from drive A (floppy disk), so IBM PC-compatible systems are designed to search for an operating system first on drive A, and then on drive C (hard disk).

  • Page 45: Integrated Peripherals

    M S-7255 M ainboard Integrated Peripherals USB Functions This setting is used to enable/disable the onboard USB host controller. Legacy USB Support Set to [Enabled] if you need to use any USB 1.1/2.0 device in the operating system that does not support or have any USB 1.1/2.0 driver installed, such as DOS and SCO Unix.
  • Page 46 BIOS Setup PCI IDE BusMaster This item allows you to enable/ disable the PCI IDE busmaster. On-Chip Serial ATA Controller This feature allows users to enable or disable the RAID function for each SATA hard disk drive. RAID mode This item allows you to select the RAID mode. I/O Devices Configuration Press <Enter>...

  • Page 47: Power Management Features

    M S-7255 M ainboard Power Management Features Important S3-related functions described in this section are available only when your BIOS supports S3 sleep mode. ACPI Function This item is to activate the ACPI (Advanced Configuration and Power Management Interface) Function. If your operating system is ACPI-aware, such as Windows 98SE/ 2000/ME/XP, select [Enabled].
  • Page 48 BIOS Setup Power Button M ode This feature allows users to configure the Power Button function. Settings are: [Power Off] The power button functions as a normal power-on/-off button. [Suspend] W hen you press the power button, the computer enters the suspend/sleep mode, but if the button is pressed for more than four seconds, the computer is turned off.

  • Page 49: Pnp/Pci Resource Management

    M S-7255 M ainboard PNP/PCI Resource Management This section describes configuring the PCI bus system and PnP (Plug & Play) feature. PCI, or Peripheral Component Interconnect, is a system which allows I/O devices to operate at speeds nearing the speed the CPU itself uses when communicating with its special components.

  • Page 50: H/W Monitor

    BIOS Setup H/W Monitor This section shows the status of your CPU, fan, overall system status, etc. Monitor function is available only if there is hardware monitoring mechanism onboard. Chassis Intrusion The field enables or disables the feature of recording the chassis intrusion status and issuing a warning message if the chassis is once opened.

  • Page 51: Frequency/Voltage Control

    M S-7255 M ainboard Frequency/Voltage Control The items here includes some important settings of CPU and PCI functions. Important Change these settings only if you are familiar with the chipset. Spread Spectrum W hen the motherboard’s clock generator pulses, the extreme values (spikes) of the pulses creates EMI (Electromagnetic Interference).
  • Page 52 BIOS Setup Adjusted DDR Memory Frequency Indicates the adjusted momory clock Adjust PCIE Frequency This item allows you to select the PCI Express frequency (in MHz). Adjust AGP/PCI Frequency This item allows you to select the AGP/PCI frequency (in MHz). Auto Disable PCI Clock This item is used to auto disable the PCI slots.

  • Page 53: Load Optimized Defaults

    M S-7255 M ainboard Load Optimized Defaults The two options on the main menu allow users to restore all of the BIOS settings to the default Fail-Safe or Optimized values. The Optimized Defaults are the default values set by the mainboard manufacturer specifically for optimal performance of the mainboard.

  • Page 54: Bios Setting Password

    BIOS Setup BIOS Setting Password W hen you select this function, a message as below will appear on the screen: Type the password, up to 6 characters in length, and press <Enter>. The password typed now will replace any previously set password from CMOS memory. You will be prompted to confirm the password.

  • Page 55: Appendix A Via Vt8237A/8237S Sata Raid Introduction

    Appendix A VIA VT8237A / VT8237S SATA RAID Introduction The Southbridge VT8237A / VT8237S (optional) provides a hybrid solution that combines two independent SATA / SATAII (optional) ports for support of up to two SATA / SATAII drives. The key features of VT8237A / VT8237S SATA RAID are: Dual independent ATA channels and maximum connection of two SATA / SATAII hard disk drives allowed.

  • Page 56: Introduction

    M S-7255 M ainboard Introduction This section gives a brief introduction on the RAID-related background knowledge and a brief introduction on VIA SATA RAID Host Controller. For users wishing to install their VIA SATA RAID driver and RAID software, proceed to Driver and RAID Software Installation section.

  • Page 57: Bios Configuration

    VIA VT8237A / VT8237S SATA RAID Introduction BIOS Configuration Important The BIOS Configuration pictures shown below is for your reference only, and may vary from actual ones. W hen the system powers on during the POST (Power-On Self Test) process, press <Tab>...

  • Page 58: Create Disk Array

    M S-7255 M ainboard Create Disk Array Use the up and down arrow keys to select the Create Array command and press <Enter>. Important The “Channel”, “Drive Name”, “Mode” and “Size (GB)” in the following example might be different from your system. Select Array Mode and press <Enter>, a list of array modes will appear.
  • Page 59 VIA VT8237A / VT8237S SATA RAID Introduction After array mode is selected, there are two methods to create a disk array. One method is “Auto Setup” and the other one is “Select Disk Drives”. Auto Setup allows BIOS to select the disk drives and create arrays automatically, but it does not duplicate the mirroring drives even if the user selected Create and duplicate for RAID 1.

  • Page 60: Delete Disk Array

    M S-7255 M ainboard Important Even though 64KB is the recommended setting for most users, you should choose the block size value which is best suited to your specific RAID usage model. 4KB: For specialized usage models requiring 4KB blocks 8KB: For specialized usage models requiring 8KB blocks 16KB: Best for sequential transfers 32KB: Good for sequential transfers...

  • Page 61: Create And Delete Spare Hard Drive

    VIA VT8237A / VT8237S SATA RAID Introduction Create and Delete Spare Hard Drive If a RAID 1 array is created and there are drives that do not belong to other arrays, the one that has a capacity which is equal to or greater than the array capacity can be selected as a spare drive for the RAID 1 array.

  • Page 62: Duplicate Critical Raid 1 Array

    M S-7255 M ainboard Duplicate Critical RAID 1 Array When booting up the system, BIOS will detect if the RAID 1 array has any inconsisten- cies between user data and backup data. If BIOS detects any inconsistencies, the status of the disk array will be marked as critical, and BIOS will prompt the user to duplicate the RAID 1 in order to ensure the backup data consistency with the user data.
  • Page 63 VIA VT8237A / VT8237S SATA RAID Introduction 1. Power off and Check the Failed Drive: This item turns off the computer and replaces the failed hard drive with a good one. If your computer does not support APM, you must turn off your computer manually. After replacing the hard drive, boot into BIOS and select Choose replacement drive and rebuild to rebuild the broken array.

  • Page 64: Installing Operating System & Drivers

    † Existing Windows XP Driver Installation 1. Insert the MSI CD into the CD-ROM drive. 2. The CD will auto-run and the setup screen will appear. 3. Under the Driver tab, click on VIA SATA RAID Drivers.

  • Page 65: Using Via Raid Tool

    VIA VT8237A / VT8237S SATA RAID Introduction Using VIA RAID Tool Once the installation is complete, go to Start ---> Programs --->VIA ---> RAID ---> raid_tool.exe to enable VIA RAID Tool. After the software is finished installation, it will automatically start whenever W indows is initiated.
  • Page 66 M S-7255 M ainboard It means that VIA SATA RAID only has the feature of monitoring the status of RAID 0 or RAID 1. Click on button to determine the viewing type of left window pane. There are two viewing types: By controllers and by device. Click on the object in the left window pane to display the status of the object in the right windowpane.
  • Page 67 VIA VT8237A / VT8237S SATA RAID Introduction You may also use the same button to view the status of Array 0---RAID 1. Click on the plus (+) symbol next to Array 0---RAID 1 to see the details of each disk. A-13...

  • Page 68: Appendix B Realtek Alc883 / Alc888 Audio

    Appendix B Realtek ALC883 / ALC888 Audio The Realtek ALC883 / ALC888 provides 10-channel DAC that simultaneously supports 7.1 sound playback and 2 channels of independent stereo sound output (multiple streaming) through the Front-Out-Left and Front-Out- Right channels.

  • Page 69: Installation For Windows 2000/Xp

    M S-7255 M ainboard Installing the Realtek HD Audio Driver You need to install the driver for Realtek ALC883 / ALC888 codec to function properly before you can get access to 2-, 4-, 6-, 8- channel or 7.1+2 channel audio operations. Follow the procedures described below to install the drivers for different operating systems.
  • Page 70 Realtek ALC883 / ALC888 Audio 3. Click Next to install the Realtek High Definition Audio Driver. Click here 4. Click Finish to restart the system. S el ec t t hi s option Click here...

  • Page 71: Software Configuration

    M S-7255 M ainboard Software Configuration After installing the audio driver, you are able to use the 2-, 4-, 6- or 8- channel audio feature now. Click the audio icon from the system tray at the lower-right corner of the screen to activate the HD Audio Configuration. It is also available to enable the audio driver by clicking the Realtek HD Audio M anager from the Control Panel.

  • Page 72: Sound Effect

    Realtek ALC883 / ALC888 Audio Sound Effect Here you can select a sound effect you like from the Environment list. Environment Simulation You will be able to enjoy different sound experience by pulling down the arrow, totally 23 kinds of sound effect will be shown for selection. Realtek HD Audio Sound Manager also provides five popular settings “Stone Corridor”, “Bathroom”, “Sewer pipe”, “Arena”...
  • Page 73 M S-7255 M ainboard Equalizer Selection Equalizer frees users from default settings; users may create their owned preferred settings by utilizing this tool. 10 bands of equalizer, ranging from 100Hz to 16KHz. Save Reset The settings are saved 10 bands of equalizer permanently for future would go back to the de- fault setting...
  • Page 74 Realtek ALC883 / ALC888 Audio Frequently Used Equalizer Setting Realtek recognizes the needs that you might have. By leveraging our long experience at audio field, Realtek HD Audio Sound Manager provides you certain optimized equal- izer settings that are frequently used for your quick enjoyment. [How to Use It] Other than the buttons “Pop”...

  • Page 75: Mixer

    M S-7255 M ainboard Mixer In the Mixer part, you may adjust the volumes of the rear and front panels individually. 1. Adjust Volume You can adjust the volume of the speakers that you pluged in front or rear panel by select the Realtek HD Audio rear output or Realtek HD Audio front output items.
  • Page 76 Realtek ALC883 / ALC888 Audio W hen you are playing the first audio source (for example: use W indows Media Player to play DVD/VCD), the output will be played from the rear panel, which is the default setting. Then you must to select the Realtek HD Audio front output from the scroll list first, and use a different program to play the second audio source (for example: use Winamp to play MP3 files).

  • Page 77: Playback Control

    M S-7255 M ainboard 3. Playback control Playback device Tool Mute This function is to let you freely decide which ports to output the sound. And this is essential when multi- streaming playback enabled. - Realtek HD Audio Rear Output - Realtek HD Audio Front Output M u te You may choose to mute single or multiple volume controls or to completely mute...
  • Page 78 Realtek ALC883 / ALC888 Audio 4. Recording control Recording device Tool Mute -Back Line in/Mic, Front Lin in -Realtek HD Audio Input M u te You may choose to mute single or multiple volume controls or to completely mute sound input. Tool - Show the following volume controls This is to let you freely decide which volume control items to be displayed.

  • Page 79: Audio I/O

    M S-7255 M ainboard Audio I/O In this tab, you can easily configure your multi-channel audio function and speakers. You can choose a desired multi-channel operation here. a. Headphone for the common headphone b. 2CH Speaker for Stereo-Speaker Output c. 4CH Speaker for 4-Speaker Output d.
  • Page 80 Realtek ALC883 / ALC888 Audio Connector Settings Click to access connector settings. Disable front panel jack detection (option) Find no function on front panel jacks? Please check if front jacks on your system are so-called AC’97 jacks. If so, please check this item to disable front panel jack detection. M ute rear panel output when front headphone plugged in.
  • Page 81 M S-7255 M ainboard S/PDIF Short for Sony/Philips Digital Interface, a standard audio file transfer format. S/PDIF allows the transfer of digital audio signals from one device to another without having to be converted first to an analog format. Maintaining the viability of a digital signal prevents the quality of the signal from degrading when it is converted to analog.
  • Page 82 Realtek ALC883 / ALC888 Audio Test Speakers You can select the speaker by clicking it to test its functionality. The one you select will light up and make testing sound. If any speaker fails to make sound, then check whether the cable is inserted firmly to the connector or replace the bad speakers with good ones.

  • Page 83: Microphone

    M S-7255 M ainboard Microphone In this tab you may set the function of the microphone. Select the Noise Suppres- sion to remove the possible noise during recording, or select Acoustic Echo Cancelltion to cancel the acoustic echo druing recording. Acoustic Echo Cancelltion prevents playback sound from being recorded by mi- crophone together with your sound.

  • Page 84: 3D Audio Demo

    Realtek ALC883 / ALC888 Audio 3D Audio Demo In this tab you may adjust your 3D positional audio before playing 3D audio applica- tions like gaming. You may also select different environment to choose the most suitable environment you like. B-17...

  • Page 85: Information

    M S-7255 M ainboard Information In this tab it provides some information about this HD Audio Configuration utility, including Audio Driver Version, DirectX Version, Audio Controller & Audio Codec. You may also select the language of this utility by choosing from the Language list. Also there is a selection Show icon in system tray.

  • Page 86: Hardware Setup

    Realtek ALC883 / ALC888 Audio Hardware Setup Connecting the Speakers W hen you have set the Multi-Channel Audio Function mode properly in the software utility, connect your speakers to the correct phone jacks in accordance with the setting in software utility. n 2-Channel M ode for Stereo-Speaker Output Refer to the following diagram and caption for the function of each phone jack on the back panel when 2-Channel Mode is selected.
  • Page 87 M S-7255 M ainboard n 4-Channel M ode for 4-Speaker Output Back Panel Description: Connect two speakers to back panel’s Line Out connector and two speakers to the real-chan- nel Line Out connector. 4-Channel Analog Audio Output Line In Line Out (Front channels) Line Out (Rear channels) Line Out (Center and Subwoofer channel, but no functioning in this mode) Line Out (Side Surround channels, but no functioning in this mode)
  • Page 88 Realtek ALC883 / ALC888 Audio n 6-Channel M ode for 6-Speaker Output Back Panel Description: Connect two speakers to back panel’s Line Out connector, two speakers to the rear-channel Line out connec tor and two s p e a k e r s t o t h e c e n t e r / subwoofer-channel Line Out 6-Channel Analog Audio Output connector.
  • Page 89 M S-7255 M ainboard n 8-Channel M ode for 8-Speaker Output Description: Connect two speakers to back panel’s Line Out connector, two speakers to the rear-channel Line out connector, two speak- ers to the center/subwoofer- channel Line Out connector and 8-Channel Analog Audio Output two speakers to the side-chan- nel Line Out connector.

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