MSI MEGA651 PC User Manual
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MSI MEGA651 PC User Manual

MSI MEGA651 PC User Manual

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  • Page 2 FCC-B Radio Frequency Interference Statement This equipment has been tested and found to comply 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 when the equipment is operated in a commercial environment.
  • Page 3 Copyright Notice The material in this document is the intellectual property of MICRO-STAR INTERNATIONAL. We take every care in the preparation of this document, but no guarantee is given as to the correctness of its contents. Our products are under continual improvement and we reserve the right to make changes with- out notice.

  • Page 4: 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 equipment from overheating.

  • Page 5: Table Of Contents

    CONTENTS Introduction Chapter 1. Getting Started................1-1 All-in-One Feature Set.................1-2 Front Panel..................1-3 Back Panel..................1-3 System Specification................1-4 Performance PC...................1-6 Hi-Fi Audio..................1-8 Home Theater..................1-10 Chapter 2. Using PC Function...............2-1 Mainboard Layout................2-2 CPU/Memory..................2-3 Introduction to DDR SDRAM............2-3 Power Supply..................2-4 Front Panel...................2-5 IEEE 1394 Port: J1394-2..............2-5 IEEE 1394 Port: J1394-1..............2-6 USB Ports..................2-6 Mic-in/Head-Phone.................2-7...
  • Page 6 Connectors..................2-13 IDE Connectors: CN22&CN23............2-13 FDD Connector: CN10..............2-13 CD-in Connector: CN16..............2-14 TV-Tuner Card Connector: CN13...........2-14 CPU Fan Connector: CN15............2-14 Front Panel Power Connector: CN4..........2-15 USB Card Reader Connector: CN6..........2-15 LCM Connector: CN8..............2-16 Modem Module Connector: CN21..........2-16 Jumper....................2-17 Clear CMOS Jumper: J2..............2-17 Slots....................2-18 PCI Slot..................2-18 AGP Slot..................2-18...
  • Page 7 Integrated Peripherals.................4-13 Power Management Setup..............4-19 PNP/PCI Configurations..............4-23 PC Health Status................4-25 Frequency/Voltage Control..............4-26...

  • Page 8: Introduction

    Introduction Introducing Your “Digital Media Platform”...
  • Page 9 Thank you for purchasing MEGA651 PC, the Best of Computing & Home Entertainment. Based on the design idea of consumer product, the MEGA651 is not just a PC anymore. The equipped “All-in-One” features position MEGA651 as a “Digital Media Platform”.
  • Page 10 - Home Theater: DVD+ 5.1 Channel+ TV Tuner (option) - Media Center: Card Reader+ 1394+ SPDIF I/O+ PVR - Complete PC: Office+ Game Machine A new Digital Media Form Factor from MSI that allows you to - Control Live Television - Enjoy Home Heater (DVD + 5.1 Channel)

  • Page 11: Chapter 1. Getting Started

    Getting Started Getting Started Getting Started Getting Started Getting Started Getting Started 1.1 All-in- 1.1 All-in- One Feature Set One Feature Set 1.1 All-in- 1.1 All-in- 1.1 All-in-One Feature Set One Feature Set One Feature Set 1.2 System Specification 1.2 System Specification 1.2 System Specification 1.2 System Specification 1.2 System Specification...

  • Page 12: All-In-One Feature Set

    Chapter 1 1.1 All-in-one Feature Set The MEGA651 implements all the Hi-Fi Stereo into Home-PC with a fancy equalizer LCM and control panel in the front bezel. When PC is power-off, you can use it just like a Hi-Fi Stereo with a remote controller. When PC is power- on, you can use it for Home Theater and Media Center PC.

  • Page 13: Front Panel

    Getting Started Front Panel Hi-Fi Power Switch IR Receiver Mode Eject/Stop Forward Play/Pause Backward Shuttle Controller PC Power Switch HDD LED PC Reset Optical SPDIF-in J1394-2 USB x 2 Mic-in J1394-1 Head-Phone Back Panel Mouse Parallel Port Power Jack LAN Port R a d i o A n t e n n a Jack Serial Port...

  • Page 14: System Specification

    Chapter 1 1.2 System Specification - MS-6760 (Proprietary F/F), 185 x 290 mm (4 layer) CPU: ® - Support Socket 478 for Pentium 4, 2.8 GHz Chipset: - SiS 651 + SiS 962 Memory: - DDR 333 x 2, support memory up to 2.0GB On-Board Audio: - AC’97 Codec integrated in ALC 650, support 5.1 channel , SPDIF In/Out.
  • Page 15 Getting Started On-Board Headers & Connectors - Rear Panel: Parallel Port x 1, Serial Port x 1, VGA x 1, PS/2 x 2, Mic in/Line in/ Line out x 1, USB x 2, LAN (RJ45) x 1, SPDIF/O x 1, Modem (RJ11) x 1 - Front Panel: Mic in/Headphone x 1, USB x 2, SPDIF/I x 1, 1394 x 1 (4-pin), 1394 x 1(6-pin) BIOS...

  • Page 16: Performance Pc

    Chapter 1 1.3 Performance PC When PC is power on, the MEGA651 is your performance PC. Power on means “If the power button of PC is pressed, the Hi-Fi stereo has no function even you press the “Hi-Fi” button.” Press the Power button to start the PC function Features CPU support: Intel P4...
  • Page 17 Getting Started Target Operating System -- Microsoft Windows XP Home Edition Security -- The security features protect the data of machine from unveiled publicity and unauthorized access through BIOS control. Password -- The MEGA651 uses three levels of BIOS access (User Password, Supervisor Password, HDD Password) to protect the computer system.

  • Page 18: Hi-Fi Audio

    Chapter 1 1.4 Hi-Fi Audio When PC is power off, the MEGA651 can be used as a Hi-Fi audio. You can press the Hi-Fi button or use the remote controller to start the audio function. Power-off means “When used as a Hi-Fi audio, the PC should be in power-off status.
  • Page 19 Getting Started MEGA651 is equipped with SRS audio enforce- ment technology. SRS (Sound Retrieval System) was the first generation of 3D sound, dramatically improv- ing the quality of standard stereo. SRS is based on the human hearing system and was designed to retrieve the natural spatial cues and ambient information that is present in audio but masked by traditional record- ing and playback methods.

  • Page 20: Home Theater

    The top part of remote controller is designed specially for the TV-Tuner function. To enforce the multimedia effect, the “Media Center”, which is developed by MSI, will be bundled in the next generation of MEGA651. You will find the simplified PC control of multimedia resources, such as watching TV, listening to music, viewing pictures and playing DVD..., etc.

  • Page 21: Chapter 2. Using Pc Function

    Using PC Function Using PC Function Using PC Function Using PC Function Using PC Function Using PC Function 2.1 Mainboard Layout 2.1 Mainboard Layout 2.1 Mainboard Layout 2.1 Mainboard Layout 2.1 Mainboard Layout 2.2 CPU/Memory 2.2 CPU/Memory 2.2 CPU/Memory 2.2 CPU/Memory 2.2 CPU/Memory 2.3 P 2.3 P...

  • Page 22: Mainboard Layout

    Chapter 2 2.1 Mainboard layout The MEGA651 is equipped with MS6760 proprietary mainboard. See the following for the mainboard layout: FDD Connector IDE Connectors Front Panel Connector USB Card Reader Connector DDR DIMM Slots Radio Module USB Connector Radio Antenna Connector LCM Connector Front Panel Power Connector...

  • Page 23: Cpu/Memory

    Using PC Function 2.2 CPU/memory ® ® The MEGA651 supports Intel Pentium 4 processors in the 478-pin package. The mainboard uses a CPU socket called PGA478 for easy CPU installation. When you are installing the CPU, make sure the CPU has a heat sink and a cooling fan attached on the top to prevent overheating.

  • Page 24: Power Supply

    Chapter 2 2.3 Power Supply The system is equipped with a 200W(PFC) ATX power supply. The power cord of power supply has been connected to the connectors on the mainboard when shipped out. You can find two connectors (20-Piin & CN 20) on the mainboard.

  • Page 25: Front Panel

    Using PC Function 2.4 Front panel The Front Panel is independent and extended from the mainboard. It’s connected to the Front Panel Connector on the mainboard. You can find the following ports on the Front Panel. Optical SPDIF-In USB x 2 J1394-1 J1394-2 Mic-In...

  • Page 26: Ieee 1394 Port: J1394-1

    Chapter 2 IEEE 1394 Port: J1394-1 The bigger 6-pin IEEE 1394 Port on the back panel is designed for you to connect to IEEE 1394 devices without external power. That means the mainboard can provide the power for the devices connected to this port. Software Support IEEE 1394 Driver is provided by Windows ®...

  • Page 27: Mic-In/Head-Phone

    Using PC Function Mic-in/Head-Phone Mic-In is a connector for microphone. Head-Phone is a connector for Speakers or Headphones. OPTICAL SPDIF-in The OPTICAL connector allows you to receive the audio file of SPDIF interface for recording and playing. The SPDIF (Sony & Philips Digital Interface) is developed jointly by the Sony and Philips corporations .

  • Page 28: Back Panel

    Chapter 2 2.5 Back panel The Back Panel provides the following ports: Serial Port Mouse LAN Port Parallel Port VGA Port Keyboard USB x 2 Optical SPDIF-out Lin-in Mic-in Speak-out Serial Port The mainboard offers a 9-pin male DIN serial port . The port is 16550A high speed communication ports that sends/receives 16 bytes FIFOs.

  • Page 29: Vga Port

    Using PC Function VGA Port The mainboard provides one DB 15-pin female connector to connect a VGA monitor. Pin Definition Analog Video Display Connector (DB-15s) SIGNAL DESCRIPTION Green Blue Not used Ground DB 15-Pin Female Connector Ground Ground Ground Power Ground Not used Horizontal Sync...

  • Page 30: Rj45 Lan Jack

    Chapter 2 RJ45 LAN Jack The mainboard provides one standard RJ-45 jack for connection to Local Area Network (LAN). You can connect a network cable to the LAN jack. Pin Definition SIGNAL DESCRIPTION Transmit Differential Pair Transmit Differential Pair Receive Differential Pair Not Used Not Used Receive Differential Pair...

  • Page 31: Parallel Port

    Using PC Function Parallel Port The mainboard provides a 25-pin female centronic connector as LPT. A parallel port is a standard printer port that supports Enhanced Parallel Port (EPP) and Extended Capabilities Parallel Port (ECP) mode. Pin Definition SIGNAL DESCRIPTION STROBE Strobe DATA0 Data0...

  • Page 32: Audio Port

    Chapter 2 Audio Port Speak-out is a connector for Speakers or Headphones. Line In is used for external CD player, Tape player, or other audio devices. Mic-in is a connector for microphones. Speak-out Lin-in Mic-in 2-12 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○...

  • Page 33: Connectors

    Using PC Function 2.6 Connectors IDE Connectors: CN22 & CN23 The mainboard has a 32-bit Enhanced PCI IDE and Ultra DMA 33/66/100 controller that provides PIO mode 0~4, Bus Master, and Ultra DMA/33/66/100 function. The two connectors on the mainboard allows you to connect to two IDE device.

  • Page 34: Cd-In Connector: Cn16

    Chapter 2 CD-in Connector: CN16 The connector is for CD-ROM audio connector. CN16 TV-Tuner Card Connector: CN13 The mainboard provides the connector to connect the TV-Tuner card. The TV-Tuner card is included in the package. You can insert the TV-Tuner card into the PCI Slot 1.

  • Page 35: Front Panel Power Connector: Cn4

    Using PC Function Front Panel Power Connector: CN4 The mainboard provides a Front Panel connector for electrical connection ® to the Front Panel switches and LEDs. CN4 is compliant with Intel Front Panel I/O Connectivity Design Guide. Power LED Reset Power Switch Switch...

  • Page 36: Lcm Connector: Cn8

    Chapter 2 LCM Connector: CN8 The connector is used to connect the LCM on the front panel. CN 8 VCC3SBY +12VSBY SPI Bus Key (0-~5) CD_SMI VCC5 HDLED PWRBTNH FP_RST LED-BL VCC5SBY Modem Module Connector: CN21 The mainboard provides the connector to connect the modem module. The modem module is directly inserted into the connector without an extra cable.

  • Page 37: Jumper

    Using PC Function 2.7 Jumper There is a CMOS RAM on board that has a power supply from external battery to keep the data of system configuration. With the CMOS RAM, the sys- tem can automatically boot OS every time it is turned on. That battery has long life time for at least 5 years.

  • Page 38: Slots

    Chapter 2 2.8 Slots PCI Slot The PCI slot allows you to insert PCI card or TV Tuner card. The TV Tuner card is included in the MEGA651. When adding or removing expansion cards, make sure that you unplug the power supply first. Meanwhile, read the documentation for the expansion card to make any neces- sary hardware or software settings NOTE: You can insert the OPTIONAL MS8606 card into the...

  • Page 39: Chapter 3. Using Audio Function

    Using Audio Function Using Audio Function Using Audio Function Using Audio Function Using Audio Function Using Audio Function 3.1 All-in- 3.1 All-in- One Feature Set One Feature Set 3.1 All-in- 3.1 All-in- 3.1 All-in-One Feature Set One Feature Set One Feature Set 3.2 System Specification 3.2 System Specification 3.2 System Specification...

  • Page 40: Control Panel

    Chapter 3 3.1 Control Panel You can use control panel on the front panel or remote controller to start the audio function. There are six buttons, one LCM and one shuttle on the panel board. See the following for the function description: Hi-Fi Power Switch IR Receiver Mode...

  • Page 41: Remote Controller

    Using Audio Function 3.2 remote Controller The remote controller allows you to use the audio function in some distance. The buttons on the bottom are used for audio function while the ones on the top are used for TV application. See the manual of TV Tuner Card MS8606 for the information of top part button.

  • Page 42: Ac Power On

    Chapter 3 3.3 AC Power ON Plug in the power cord of MEGA651. You will see the panel (LCM) items FLASH 2 times. Then you can adjust time by shuttle. You will see timer 00: 00 flash Turn the shuttle clockwise to adjust minute.

  • Page 43: Playing Cd/Mp3

    Using Audio Function 3.4 playing CD/Mp3 Press HiFi button to start the au- dio function. Press MODE on the Control Panel to select CD/ MP3 mode or press CD/MP3 on the remote controller to play CD/MP3. If there is no CD in the tray or CD is broken, the LCM shows “NO disc”.
  • Page 44 Chapter 3 Press “Play/Pause” button to pause the music. The LCM shows Press the “Forward” button to play the next song. There is no action if you hold “Forward” button. Press “Backward” button once to replay the song. Press the “Backward” button twice (in 2 seconds) to play the previous song (After 2 seconds, it replay the song).
  • Page 45 Using Audio Function Turn the shuttle clockwise to t u r n t h e v o l u m e u p a n d anticlockwise to turn the volume down. Press the shuttle once to set the Play Sub-Mode (NORMAL, RANDOM, REPEAT, and RE- PEAT DISC) Turn the shuttle to choose Play...
  • Page 46 Chapter 3 : To play the CD/MP3 in Normal mode. Turn the shuttle to choose EQ Sub-Mode. The item you : : To play the CD/MP3 in Classic mode. choose will flash and the others are on. Wait for 5 seconds to : To play the CD/MP3 in Jazz mode.

  • Page 47: Playing Fm/Am

    Using Audio Function 3.5 playing FM/AM Press the “MODE” button on the Control Panel to set AM/FM mode or press AM/FM button on the Remote Controller to switch to AM or FM station. Press the “Forward” button to jump to the next available station.
  • Page 48 Chapter 3 Turn the shuttle to adjust the volume. Press the “Eject/Stop” once to recall the memory sub-mode and turn the shuttle to choose the number of spot (1-6) to play. Press the shuttle once into the “EQ” sub-mode. Turn the shuttle to choose the sub-mode.

  • Page 49: Chapter 4. Setting Bios Function

    Setting BIOS Function Setting BIOS Function Setting BIOS Function Setting BIOS Function Setting BIOS Function Setting BIOS Function 4.1 Entering Setup 4.1 Entering Setup 4.1 Entering Setup 4.1 Entering Setup 4.1 Entering Setup 4.2 The Main Menu 4.2 The Main Menu 4.2 The Main Menu 4.2 The Main Menu 4.2 The Main Menu...

  • Page 50: Entering Setup

    Chapter 4 4.1 Entering Setup Power on the computer and the system will start POST (Power On Self Test) process. When 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 51: Getting Help

    Setting BIOS Function Getting Help After entering the Setup menu, the first menu you will see is the Main Menu. Main Menu The main menu lists the setup functions you can make changes to. You can use the control keys ( ↑↓ ) to select the item. The on-line description of the highlighted setup function is displayed at the bottom of the screen.

  • Page 52: The Main Menu

    Chapter 4 4.2 The main menu ® Once you enter Phoenix-Award BIOS CMOS Setup Utility, the Main Menu (Figure 1) will appear on the screen. The Main Menu allows you to select from twelve setup functions and two exit choices. Use arrow keys to select among the items and press <Enter>...
  • Page 53 Setting BIOS Function Power Management Setup Use this menu to specify your settings for power management. PNP/PCI Configurations This entry appears if your system supports PnP/PCI. PC Health Status This entry shows your PC health status. Frequency/Voltage Control Use this menu to specify your settings for frequency/voltage control. Load Fail/Safe Defaults Use this menu to load factory default settings into the BIOS for stable system performance operations.

  • Page 54: Standard Cmos Features

    Chapter 4 4.3 standard cmos features The items in Standard CMOS Features Menu are divided into 11 categories. Each category includes no, one or more than one setup items. Use the arrow keys to highlight the item and then use the <PgUp> or <PgDn> keys to select the value you want in each item.
  • Page 55 Setting BIOS Function If you select Manual, related information is asked to be entered to the following items. Enter the information directly from the keyboard. This information should be provided in the documentation from your hard disk vendor or the system manufacturer.

  • Page 56: Advanced Bios Features

    Chapter 4 4.4 advanced bios features Quick Boot Setting the item to Enabled allows the system to boot within 5 seconds since it will skip some check items. Available options: Enabled, Disabled. Boot Sequence The items allow you to set the sequence of boot devices where BIOS attempts to load the disk operating system.
  • Page 57 Setting BIOS Function CPU L2 Cache ECC Checking This setting allows you to enable or disable the ECC (Error-Correcting Code) fea- ture for error detection and correction when data passes through L2 cache memory. Setting options: Disabled, Enabled. Seek Floppy Setting to Enabled will make BIOS seek floppy drive A: before booting the system.
  • Page 58 Chapter 4 Security Option This specifies the type of BIOS password protection that is implemented. Set- tings are described below: Option Description Setup The password prompt appears only when end users try to run Setup. System A password prompt appears every time when the com- puter is powered on or when end users try to run Setup.

  • Page 59: Advanced Chipset Features

    Setting BIOS Function 4.5 advanced chipset features Advanced DRAM Control 1 Press <Enter> to enter the sub-menu and the following screen appears: System Performance The DRAM timing is controlled by the DRAM Timing Registers. The Timings programmed into this register are dependent on the system design. Slower rates may be required in certain system designs to support loose layouts or slower memory.
  • Page 60 Chapter 4 MA 1T/2T Select This setting controls the SDRAM command rate. Setting to Auto allows the SDRAM command rate to be determined by the BIOS. Selecting MA 1T/MA 2T makes SDRAM signal controller run at 1T/2T rate. 1T is faster than 2T. Setting options: Auto, MA 2T, MA 1T.

  • Page 61: Integrated Peripherals

    Setting BIOS Function 4.6 integrated peripherals SIS OnChip IDE Device Press <Enter> to enter the sub-menu and the following screen appears: Internal PCI/IDE This setting enables or disables the internal primary and secondary PCI & IDE controllers. Setting options: Disabled, Primary, Secondary, Both. ○...
  • Page 62 Chapter 4 IDE Primary/Secondary Master/Slave PIO The four IDE PIO (Programmed Input/Output) fields let you set a PIO mode (0-4) for each of the four IDE devices that the onboard IDE interface supports. Modes 0 through 4 provide successively increased performance. In Auto mode, the sys- tem automatically determines the best mode for each device.
  • Page 63 Setting BIOS Function USB 2.0 Supports Set to Enabled if you need to use any USB 2.0 device in the operating system that does not support or have any USB 2.0 driver installed, such as DOS and SCO Unix. Setting options: Disabled, Enabled. USB Keyboard Support Select Enabled if you need to use a keyboard in the operating system.
  • Page 64 Chapter 4 Onboard Super IO Device Press <Enter> to enter the sub-menu and the following screen appears: Onboard FDC Controller Select Enabled if your system has a floppy disk controller (FDD) installed on the system board and you wish to use it. If you install add-on FDC or the system has no floppy drive, select Disabled in this field.
  • Page 65 Setting BIOS Function EPP Mode Select The onboard parallel port is EPP Spec. compliant, so after the user chooses the onboard parallel port with the EPP function, the following message will be dis- played on the screen: “EPP Mode Select.” At this time either EPP 1.7 spec or EPP 1.9 spec can be chosen.
  • Page 66 Chapter 4 Onboard LAN Device This item is used to enable or disable the onboard LAN controllers. Setting options: Enabled, Disabled. Onboard Lan Boot ROM The items enable or disable the initialization of the onboard LAN Boot ROMs during bootup. Selecting Disabled will speed up the boot process. 4-18 ○...

  • Page 67: Power Management Setup

    Setting BIOS Function 4.7 Power management setup Sleep State This item specifies the power saving modes for ACPI function. If your operating system supports ACPI, such as Windows 98SE, Windows ME and Windows 2000, you can choose to enter the Standby mode in S1(POS) or S3(STR) fashion through the setting of this field.
  • Page 68 Chapter 4 Power Management This item is used to select the degree (or type) of power saving and is related to these modes: Suspend Mode and HDD Power Down. There are three options for power management: Min Saving Minimum Power Management. Suspend Mode=1 Hour Max Saving Maximum Power Management.
  • Page 69 Setting BIOS Function After AC Power Lost This setting specifies whether your system will reboot after a power failure or interrupt occurs. Available settings are: Leaves the computer in the power off state. Leaves the computer in the power on state. Last State Restores the system to the status before power failure or interrupt occurred.
  • Page 70 Chapter 4 USB Wake Up from S3 This item allows the activity of the USB device to wake up the system from S3 (Suspend to RAM) sleep state. Settings are: Enabled and Disabled. PS2KB Wake Up from S3/S4/S5 This setting allows you to enter “Any Key” (max. 8 numbers) to wake up the system from S3/S4/S5 state.

  • Page 71: Pnp/Pci Configurations

    Setting BIOS Function 4.8 pnp/pci configurations 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 72 Chapter 4 a “ ”). The settings are: Auto (ESCD), Manual. IRQ Resources The items are adjustable only when Resources Controlled By is set to Manual. Press <Enter> and you will enter the sub-menu of the items. IRQ Resources list IRQ 3/4/5/7/9/10/11/12/14/15 for users to set each IRQ a type depending on the type of device using the IRQ.

  • Page 73: Pc Health Status

    Setting BIOS Function 4.9 PC health status Shutdown Temperature When the processor reaches the preset temperature, the ACPI-aware system will be shut down. Settings: Disabled, 85 C/185 F, 90 C/194 System/CPU Temperature, CPU Fan, Vcore, 3.3V, +5V, +12V, -12V, VBAT (V), 5VSB(V) These items display the current status of all of the monitored hardware devices/ components such as CPU voltages, temperatures and all fans’...

  • Page 74: Frequency/Voltage Control

    Chapter 4 4.10 Frequency/Voltage Control Auto Detect DIMM/PCI Clk This option allows you to enable/disable the feature of auto detecting the clock frequency of the installed DIMM/PCI bus. The settings are: Enabled, Disabled. Spread Spectrum When the motherboard’s clock generator pulses, the extreme values (spikes) of the pulses creates EMI (Electromagnetic Interference).
  • Page 75 Setting BIOS Function CPU Frequency Use this item to select the appropriate frequency for your CPU FSB. Options: Default, 100MHz, 133MHz. DRAM Frequency This setting shows the current frequency of DDR DRAM (read only). Options: By SPD, 200MHz, 266MHz, 333MHz. ○...

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