MSI MICRO-STAR INTERNATIONAL MS-6551(v1.X) ATX Mainboard Version 1.
Manual Rev: 1.0 Release Date: Nov. 2001 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.
Edition Nov 2001 Copyright Notice The material in this document is the intellectual property of MICROSTAR 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 without notice. Trademarks All trademarks used in this manual are the property of their respective owners. Intel and Pentium are registered trademarks of Intel Corporation.
Safety Instructions 1. 2. 3. 4. 5. 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. DO NOT COVER THE OPENINGS. 6. Make sure the voltage of the power source and adjust properly 110/220V before connecting the equipment to the power inlet. 7.
CONTENTS Chapter 1. Getting Started ........................................................................ 1-1 Mainboard Specification ...................................................................... 1-3 Mainboard Layout ............................................................................... 1-5 Quick Components Guide .................................................................... 1-5 Chapter 2. Hardware Setup .......................................................................
Fan Power Connectors: CPU_FAN/CHS_FAN/BAK_FAN ......... 2-15 Wake On Ring Connector: JMDM1 ............................................. 2-16 Wake On LAN Connector: JWOL1 .............................................. 2-16 Power Saving Switch Connector: JGS1 ........................................ 2-17 Power Saving LED Connector: JGLED1 ....................................... 2-17 Front Panel Connector: F_P1 ....................................................... 2-18 Front Panel Audio Connector: JAUDIO1 .
PC Health Status ................................................................................ 3-23 Frequency/Voltage Control ................................................................ 3-24 Load Fail-Safe/Optimized Defaults ..................................................... 3-26 Supervisor/User Password .................................................................
Getting Started Chapter 1. Getting Started Getting Started 1 Thank you for purchasing the MS-6551 v1.0 ATX mainboard. The MS6551 v1.0 is based on Intel® Brookdale & ICH2 chipsets for optimal system performance. Designed to fit the advanced Intel® Pentium® 4 processors in the 478 pin package, the MS-6551 v1.0 provides you with an ideal and professional desktop platform solution.
Chapter 1 Mainboard Specification CPU Support Socket478 for Intel® Pentium 4 processor Support 1.3GHz, 1.4GHz and up to 2.XGHz Chipset Intel® Brookdale chipset - AGP 4x universal slot - Support 100MHz FSB - Support 400MHz Intel NetBurst micro-architecture bus. Intel® ICH2 chipset. (360 BGA) - AC’97 Controller Integrated - 2 full IDE channels, up to ATA100 - Integrated 10/100Mbit/sec Ethernet - Low pin count interface for Winbond SIO Main Memory Support two 184-pin DDRs. Max. memory size at 2GB.
Getting Started On-Board Peripherals On-Board Peripherals include: - 1 floppy port supports 2 FDD with 360K, 720K, 1.2M, 1.44M and 2.88Mbytes. - 2 serial ports (COMA & COMB) - 1 parallel port supports SPP/EPP/ECP mode - 4 USB ports (Rear * 2 / Front * 2) - 1 RJ45 Connector (optional) - 1 Line-In/Line-Out/Mic-In/Game port Network ICH2 Integrated LAN Controller Intel 82562 ET/EM (optional) Audio ICH2 chip integrated AC97 2.1 Compliant.
Chapter 1 Mainboard Layout Top : mouse Bottom : k eyboard P_FAN1 BAK_FAN JPW 1 FDD1 ATX Pow er Supply W inbond W83627HF -AW C_FAN 1 CPU _FAN Top : Game port Bottom : Line-Out Line-In Mic Intel Brookdale chipset Top: LAN J ack Bottom : USB ports IDE 1 ICH2 PCI S lot 2 Codec IDE 2 PCI S lot 1 DDR 2 DDR 1 AGP Slot Intel Lan PCI S lot 3 USB1 JGS1 Winbond W83628F PCI S lot 4 J3 MD M_IN1 F_P1 FWH PCI S lot 5 CD _IN 1 BATT + AUX_IN1 JBAT1 JGLED 1 ISA Slot CN R IR1 JP2 JMDM1 J5 Wi
Getting Started Quick Components Guide Component Socket 478 DDR1 & DDR 2 ATX Power Supply JPW1 Mouse Connector Keyboard Connector COM A & COM B Joystick/Midi Connectors Parallel Port LAN Jack FDD1 CD_IN1 IDE1& IDE2 CPU-FAN/BAK-FAN CHS-FAN JMDM1 JWOL1 JGS1 JGLED1 F_P1 JAUDIO1 USB1 IR1 JBAT1 J3 JP2 AGP PCI Slots CNR Slot ISA Slot Function Installing CPU Installing DDR Memory Connect to ATX power supply Connect to ATX 12V power Connect to PS/2 mouse Connect to PS/2 keyboard Connec to serial devices Connect t
Hardware Setup Chapter 2. Hardware Setup Hardware Setup 2 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. Use a grounded wrist strap before handling computer components. Static electricity may damage the components.
Chapter 2 Central Processing Unit: CPU The mainboard supports Intel® Pentium® 4 processor 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. If you do not find the heat sink and cooling fan, contact your dealer to purchase and install them before turning on the computer. Open Lever CPU Installation Procedures 1.
Hardware Setup Installing the CPU Fan As processor technology pushes to faster speeds and higher performance, thermal management becomes increasingly important. To dissipate heat, you need to attach the CPU cooling fan and heatsink on top of the CPU. Follow the instructions below to install the Heatsink/Fan: 1. Locate the CPU and its retention 2. Position the heatsink onto the reten- mechanism on the motherboard. tion mechanism. retention mechanism 3. Mount the fan on top of the heatsink. 4.
Chapter 2 5. Connect the fan power cable from the mounted fan to the 3-pin fan power connector on the board. fan power cable CPU Core Speed Derivation Procedure If CPU Clock Core/Bus ratio then CPU core speed WARNING! = = = = = 100MHz 14 Host Clock x Core/Bus ratio 100MHz x 14 1.4GHz Overclocking This motherboard is designed to support overclocking. However, please make sure your components are able to tolerate such abnormal setting, while doing overclocking.
Hardware Setup Memory The mainboard provides two 184-pin DDR DIMM slots and supports a total memory size up to 2 GB. DDR1 DDR2 Introduction to DDR SDRAM DDR (Double Data Rate) SDRAM is similar to conventional SDRAM, but doubles the rate by transferring data twice per cycle. It uses 2.5 volts as opposed to 3.3 volts used in SDR SDRAM, and requires 184-pin DIMM modules rather than 168-pin DIMM modules used by SDR SDRAM. Two types of DDR are available at the time of writing: PC1600 & PC2100.
Chapter 2 DDR Module Combination You can install either single sided or double sided DDR SDRAM modules into the DDR DIMM slots (DDR 1~2) in any combination as follows: Socket DIMM 1 Memory Module 64MB, 128MB, 256MB, 512MB DIMM 2 64MB, 128MB, 256MB, 512MB Maximum System Memory Supported Total Memory 64MB ~ 512MB 64MB ~ 512MB 64MB ~ 2GB DDR Module Installation Procedure 1. The DDR DIMM has only one notch on the center of module. The module will only fit in the right orientation. 2.
Hardware Setup Power Supply The mainboard supports ATX power supply for the power system. Before inserting the power supply connector, always make sure that all components are installed properly to ensure that no damage will be caused. ATX 20-Pin Power Supply This connector allows you to connect to an ATX power supply. To connect to the ATX power supply, make sure the plugs of the power supply is inserted in the proper orientation and the pins are aligned.
Chapter 2 Back Panel The Back Panel provides the following connectors: Parallel Mouse Keyboard COM A COM B Midi/Joystick LAN L-out L-in MIC USB Mouse Connector The mainboard provides a standard PS/2® mouse mini DIN connector for attaching a PS/2 ® mouse. You can plug a PS/2® mouse directly into this connector.
Hardware Setup Keyboard Connector The mainboard provides a standard PS/2® keyboard mini DIN connector for attaching a PS/2® keyboard. You can plug a PS/2® keyboard directly into this connector.
Chapter 2 Serial Port Connectors: COM A & COM B The mainboard offers two 9-pin male DIN connectors for serial port COM A and COM B. The ports are 16550A high speed communication ports that send/receive 16 bytes FIFOs. You can attach a serial mouse or other serial devices directly to them.
Hardware Setup Parallel Port Connector The mainboard provides a 25-pin female centronic connector for LPT. A parallel port is a standard printer port that supports Enhanced Parallel Port (EPP) and Extended Capabilities Parallel Port (ECP) mode.
Chapter 2 LAN Jack (RJ-45) 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.
Hardware Setup Connectors Floppy Disk Drive Connector: FDD1 The mainboard provides a standard floppy disk drive connector that supports 360K, 720K, 1.2M, 1.44M and 2.88M floppy disk types. FDD1 CD-IN1/MDM_IN1/AUX_IN1 Connectors The connectors are for CD-ROM audio, modem with internal audio and DVD add-on card with Line-in connection. .
Chapter 2 Hard Disk Connectors: IDE1 & IDE2 IDE 1 IDE 2 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 DMA33/66/100 function. You can connect up to four hard disk drives, CD-ROM, 120MB Floppy (reserved for future BIOS) and other devices. These connectors support the provided IDE hard disk cable. IDE1 (Primary IDE Connector) The first hard drive should always be connected to IDE1.
Hardware Setup Fan Power Connectors: CPU_FAN/CHS_FAN/BAK_FAN The CPU_FAN (processor fan), CHS_FAN (system fan) & BAK_FAN (power supply fan) support system cooling fan with +12V. It supports threepin head connector. When 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.
Chapter 2 Wake On Ring Connector: JMDM1 This connector allows you to connect to a modem card with Wake On Ring function. The connector will power up the system when a signal is received through the modem card. JMDM1 1 NC GND MDM_WAKEUP NC 5VSB Wake On LAN Connector: JWOL1 This connector allows you to connect to a LAN card with Wake On LAN function. You can wake up the computer via remote control through a local area network.
Hardware Setup Power Saving Switch Connector: JGS1 Attach a power saving switch to this connector. Pressing the switch once will have the system enter the sleep/suspend state. Press any key to wake up the system. JGS1 Power Saving LED Connector: JGLED1 This allows you to connect to a power saving LED. The LED will be lit when the system enters the suspend mode.
Chapter 2 Front Panel Connector: F_P1 The mainboard provides one front panel connector for electrical connection to the front panel switches and LEDs. F_P1 18 9 Reset Switch Power Switch + Buzzer Speaker + - 10 1 Power LED HDD LED Keylock Reset Switch Reset switch is used to reboot the system rather than turning the power ON/ OFF. Avoid rebooting while the HDD LED is lit. You can connect the Reset switch from the system case to this pin.
Hardware Setup Speaker Speaker from the system case is connected to this pin. If on-board Buzzer is available: HDDLED HDD LED shows the activity of a hard disk drive. Avoid turning the power off while the HDD led is lit. You can connect the HDD LED from the system case to this pin. Power Switch Connect to a 2-pin push button switch.
Chapter 2 Front Panel Audio Connector: JAUDIO1 The JAUD1 front panel audio connector allows you to connect to the front panel audio and is compliant with Intel® Front Panel I/O Connectivity Design Guide.
Hardware Setup Front USB Connectors: USB1 The mainboard provides one front Universal Serial Bus connector for users to connect to USB devices.
Chapter 2 IrDA Infrared Module Header: IR1 These connectors allow you to connect to IrDA Infrared modules. You must configure the setting through the BIOS setup to use the IR function.
Hardware Setup Jumpers The motherboard provides one jumper for you to set the computer’s function. This section will explain how to change your motherboard’s function through the use of the jumper. Clear CMOS Jumper: JBAT1 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 system can automatically boot OS every time it is turned on. That battery has long life time for at least 5 years.
Chapter 2 BIOS Flush Jumper: J3 The jumper is used to lock or unlock the boot block area on the BIOS. When unlocked, the BIOS boot block area can be updated. When locked, the area cannot be updated. BIOS Flash Locked BIOS Flash Unlocked J3 Onboard Audio Jumper: JP2 The jumper allows you to enable the onboard audio function.
Hardware Setup Slots The motherboard provides five 32-bit Master PCI bus slots, one AGP slot, one ISA slot and one CNR slot. AGP Slot PCI Slots ISA Slot CNR Slot AGP (Accelerated Graphics Port) Slot The AGP slot allows you to insert the AGP graphics card. AGP is an interface specification designed for the throughput demands of 3D graphics.
Chapter 2 expansioncard to make any necessary hardware or software settings for the expansion card, such as jumpers, switches or BIOS configuration. CNR (Communication Network Riser) The CNR slot allows you to insert the CNR expansion cards. CNR is a specially designed network, audio, or modem riser card for ATX family motherboards. Its main processing is done through software and controlled by the motherboard’s chipset. ISA Slot The ISA slot allows you to install the ISA expansion card.
BIOS Setup Chapter 3. BIOS Setup BIOS Setup 3 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: An error message appears on the screen during the system booting up, and requests you to run SETUP. You want to change the default settings for customized features.
Chapter 3 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 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. You may also restart the system by simultaneously pressing , , and keys.
BIOS Setup 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.
Chapter 3 The Main Menu Once you enter 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 to accept or enter the sub-menu. Standard CMOS Features Use this Menu for basic system configurations. Advanced BIOS Features Use this menu to set the Advanced Features available on your system.
BIOS Setup PnP/PCI Configuration 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 Optimized Defaults Use this menu to load the BIOS default values set by the mainboard manufacturer for optimal performance system operations.
Chapter 3 Standard CMOS Features The items in Standard CMOS Features Menu are divided into 10 categories. Each category includes no, one or more than one 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 The date format is . day Day of the week, from Sun to Sat, determined by BIOS. Read-only. month The month from Jan. through Dec.
BIOS Setup ing 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. If the controller of HDD interface is SCSI, the selection shall be “None”. If the controller of HDD interface is CD-ROM, the selection shall be “None”. Access Mode The settings are CHS, LBA, Large, Auto. Capacity The formatted size of the storage device. Cylinder Number of cylinders. Head Number of heads.
Chapter 3 Advanced BIOS Features Anti-Virus Protection The item is to set the Virus Warning feature for IDE Hard Disk boot sector protection. If the function is enabled and any attempt to write data into this area is made, BIOS will display a warning message on screen and beep. Settings: Disabled and Enabled. CPU L1 & L2 Cache The item allows you to turn on or off CPU’s internal (L1) and external (L2) cache. Settings: Enabled and Disabled.
BIOS Setup SCSI CDROM HDD-1 HDD-2 HDD-3 ZIP LAN Disabled The system will boot from the SCSI. The system will boot from the CD-ROM. The system will boot from the second HDD. The system will boot from the third HDD. The system will boot from the fourth HDD. The system will boot from ATAPI ZIP drive. The system will boot from the Network drive. Disable this sequence.
Chapter 3 15, 20, 24 and 30. Typematic Delay (Msec) This item allows you to select the delay between when the key was first pressed and when the acceleration begins. Settings: 250, 500, 750 and 1000. Security Option This specifies the type of BIOS password protection that is implemented. Settings are described below: Option Setup Description The password prompt appears only when end users try to run Setup.
BIOS Setup Advanced Chipset Features The Advanced Chipset Features Setup option is used to change the values of the chipset registers. These registers control most of the system options in the computer. Note: Change these settings only if you are familiar with the chipset. Configure DRAM Timing This setting determines whether DRAM timing is configured by reading the contents of the SPD (Serial Presence Detect) EPROM on the DRAM module.
Chapter 3 signals, used when DRAM is written to, read from, or refreshed. Fast gives faster performance; and Slow gives more stable performance. This field applies only when synchronous DRAM is installed in the system. The settings are: 2 and 3. RAS# Precharge This item controls the number of cycles for Row Address Strobe (RAS) to be allowed to precharge. If insufficient time is allowed for the RAS to accumulate its charge before DRAM refresh, refresh may be incomplete and DRAM may fail to retain data.
BIOS Setup Integrated Peripherals On-Chip Primary/Secondary PCI IDE The integrated peripheral controller contains an IDE interface with support for two IDE channels. Choose Enabled to activate each channel separately. IDE Primary/Secondary Master/Slave PIO The four items allow you to set a PIO (Programmed Input/Output) mode for each of the four IDE devices that the onboard IDE interface supports. Modes 0~4 provide increased performance.
Chapter 3 USB Controller Select Enabled if your system contains a Universal Serial Bus (USB) controller and you have USB peripherals. The settings are: Enabled, Disabled. USB Keyboard/Mouse Support Set to Enabled if your need to use an USB keyboard/mouse in the operating system that does not support or have any USB driver installed, such as DOS and SCO Unix. Init Display First This item specifies which VGA card is your primary graphics adapter. Settings: PCI Slot and AGP.
BIOS Setup A/Serial Port B. Selecting Auto allows BIOS to automatically determine the correct base I/O port address. Settings: Disabled, 3F8/IRQ4, 2F8/IRQ3, 3E8/ IRQ4, 2E8/IRQ3 and Auto. Serial Port B Mode The field allows you to specify the operation mode for serial port “COM B”.
Chapter 3 To operate the onboard parallel port as Standard Parallel Port only, choose “SPP.” To operate the onboard parallel port in the EPP mode simultaneously, choose “EPP.” By choosing “ECP”, the onboard parallel port will operate in ECP mode only. Choosing “ECP + EPP” will allow the onboard parallel port to support both the ECP and EPP modes simultaneously. EPP Version The onboard parallel port is EPP Spec.
BIOS Setup Power Management Setup The Power Management Setup allows you to configure you system to most effectively save energy while operating in a manner consistent with your own style of computer use. IPCA 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, select Enabled. Settings: Enabled and Disabled.
Chapter 3 memory will be used to restore the PC to the previous state when an “wake up” event occurs. Power Management/APM 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. Suspend Mode = 1 Min. User Define Allows end users to configure each mode separately.
BIOS Setup Off, the power button works as normal power off button. When set to Suspend, the computer will enter the suspend/sleep mode if you press the power button. But if the button is pressed for more than four seconds, the computer is turned off. Setting options: Power Off, Suspend.
Chapter 3 Hot Key Power ON If POWER ON Function is set to Hot KEY, you can assign a hot key combina2 Power Again This setting specifies whether your system will reboot after a power failure or interrupts occurs. Available settings are: Power Off Leaves the computer in the power off state. Power On Reboots the computer. Last State Restores the system to the status before power failure or interrupt occurs.
BIOS Setup PNP/PCI Configurations This section describes configuring the PCI bus system. PCI, or Personal Computer Interconnect, is a system which allows I/O devices to operate at speeds nearing the speed the CPU itself uses when communicating with its own special components. This section covers some very technical items and it is strongly recommended that only experienced users should make any changes to the default settings.
Chapter 3 sub menu is preceded by a “¾”). The settings are: Auto (ESCD), Manual. IRQ/DMA Resources The items are adjustable only when Resources Controlled By is set to Manual. Press and you will enter the sub-menu of the items. IRQ Resources & DMA Resources list IRQ 3/4/5/7/9/10/11/12/14/15 and DMA 0/1/3/5/6/7 for users to set each IRQ/DMA a type depending on the type of device using the IRQ/DMA. Settings are: PCI/ISA PnP For Plug & Play compatible devices designed for PCI or ISA bus architecture.
BIOS Setup PC Health Status This section shows the status of your CPU, fan, warning for overall system status. Current System and CPU Temperature/System, Power and CPU Fan/Vcore/ 3.3V/+5V/+12V/-12V/-5V/VBAT(V)/5VSB(V) This will show the CPU/FAN/System voltage chart and FAN Speed. CPU Critical Temperature If the CPU temperature reaches the upper limit preset in this setting, the warning mechanism will be activated. This helps you to prevent the CPU overheat problem.
Chapter 3 Frequency/Voltage Control This section describes how to set the Chassis Intrusion feature, CPU FSB frequency, monitor the current hardware status including CPU/system temperatures, CPU/System Fan speeds, Vcore etc. Monitor function is available only if there is hardware monitoring mechanism onboard. CPU Ratio Selection This setting controls the multiplier that is used to determine the internal clock speed of the processor relative to the external or motherboard clock speed.
BIOS Setup may just cause your overclocked processor to lock up. CPU Host/3V66/PCI Clock This item specifies the clock frequency of CPU host bus (FSB), Chipset, AGP(3V66) and PCI bus and provides a method for end users to overclock the processor accordingly. If the item shows Default, the clock frequency will use the default value for both the CPU host bus and PCI bus.
Chapter 3 Load Fail-Safe/Optimized Defaults The two options on the main menu allow users to restore all of the BIOS settings to Optimized defaults or Fail-Safe defaults. The Optimized Defaults are the default values set by the mainboard manufacturer for the best system performance but probably will cause a stability issue. The Fail-Safe Defaults are the default values also set by the mainboard manufacturer for stable performance of the mainboard.
BIOS Setup When you select Load BIOS Setup Defaults, a message as below appears: Pressing ‘Y’ loads the default values that are factory settings for stable system performance.
Chapter 3 Supervisor/User Password When you select this function, a message as below will appear on the screen: Type the password, up to six characters in length, and press . The password typed now will replace any previously set password from CMOS memory. You will be prompted to confirm the password. Retype the password and press . You may also press to abort the selection and not enter a password.
BIOS Setup thorized use of your computer. The setting to determine when the password prompt is required is the PASSWORD CHECK option of the ADVANCED BIOS FEATURES menu. If the PASSWORD CHECK option is set to Always, the password is required both at boot and at entry to Setup. If set to Setup, password prompt only occurs when you try to enter Setup. About Supervisor Password & User Password: Supervisor password: User password: Can enter and change the settings of the setup menu.
