Page 1
MICRO-STAR INTERNATIONAL MS-6558/G (v1.X) Micro ATX Mainboard Version 1.0 G52-MA00491...
Page 2
Shielded interface cables and A.C. power cord, if any, must be used in order to comply with the emission limits. VOIR LA NOTICE D’INSTALLATION AVANT DE RACCORDER AU RESEAU. Micro-Star International MS-6558/G Tested to comply with FCC Standard For Home or Office Use...
Page 3
Edition Nov. 2001 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 re- serve the right to make changes without notice.
Page 4
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.
Getting Started Chapter 1. Getting Started Getting Started Thank you for purchasing the MS-6558/G v1.X Micro ATX mainboard. The MS-6558/G consists of two superior computer mainboards: MS-6558 & MS-6558G. The MS-6558 is based on SiS645 HMAL & the MS-6558G is based on SiS650 IGUI HMAL for optimal system efficiency.
Page 10
Getting Started On-Board IDE An IDE controller on the SiS961 chipset provides IDE HDD/CD-ROM with PIO, Bus Master and Ultra DMA100/66/33 operation modes. Can connect up to four IDE devices. On-Board Peripherals On-Board Peripherals include: - 1 floppy port supports 2 FDDs with 360K, 720K, 1.2M, 1.44M and 2.88Mbytes.
Getting Started Quick Components Guide Component Function Reference JWR1/JPW1 ATX power connectors See p. 2-7 JKBMS1 Mouse/keyboard connector See p. 2-8 USB Connectors Connecting to USB devices See p. 2-9 COM A & COM B Serial port connector See p. 2-10 VGA DB 15 Pin Connecting to VGA monitor See p.
Hardware Setup Chapter 2. Hardware Setup 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.
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.
Hardware Setup Installing the CPU Fan As processor technology pushes to faster speeds and higher performance, thermal management becomes increasingly important. To dissi- pate 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: Locate the CPU and its retention Position the heatsink onto the reten- mechanism on the motherboard.
Chapter 2 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 CPU Clock 100MHz Core/Bus ratio then CPU core speed Host Clock x Core/Bus ratio 100MHz x 14 1.4GHz Overclocking...
Hardware Setup Memory The mainboard provides 2 slots for 184-pin, 2.5V DDR DIMM with 4 memory banks. You can install DDR200/PC1600 or DDR266/PC2100 DDR SDRAM modules on the DDR DIMM slots (DDR 1~2). To operate properly, at least one DIMM module must be installed. Introduction to DDR SDRAM DDR (Double Data Rate) SDRAM is similar to conventional SDRAM, but doubles the rate by transferring data twice per cycle.
Chapter 2 DDR Module Combination You can install either single sided or double sided 184-pin DDR DIMM modules into DDR DIMM slots to meet your needs. Different from the SDR DIMM, the DDR DIMM has only one notch on the center of module. The number of pins on either side of the breaks are different.
Hardware Setup Power Supply The mainboard supports ATX power supply for the power system. Be- fore inserting the power supply connector, always make sure that all compo- nents are installed properly to ensure that no damage will be caused. ATX 20-Pin Power Connector: JWR1 This connector allows you to connect to an ATX power supply.
Chapter 2 Back Panel The Back Panel provides the following connectors: Parallel Midi/Joystick Mouse (optional) Keyboard COM A L-out L-in MIC COM B (or optional VGA port) Mouse Connector: JKBMS1 ® The mainboard provides a standard PS/2 mouse mini DIN connector for ®...
Hardware Setup Keyboard Connector: JKBMS1 ® 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. Pin Definition SIGNAL DESCRIPTION Keyboard DATA Keyboard DATA No connection Ground Keyboard Clock...
Chapter 2 Serial Port Connector: COM A & COM B For SiS 645 chipset, two serial ports COM A and COM B are provided. You can attach a serial mouse or other serial devices to them. For SiS 650 chipset, one 9-pin male DIN serial port COM A and one 9-pin JCOM1 pin header are supplied.
Hardware Setup Joystick/Midi Connectors You can connect a joystick or game pad to this connector. Audio Port Connectors Line Out is a connector for Speakers or Headphones. Line In is used for external CD player, Tape player, or other audio devices. Mic is a connector for microphones.
Chapter 2 Parallel Port Connector: LPT1 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. Pin Definition SIGNAL DESCRIPTION STROBE Strobe...
Hardware Setup Connectors The mainboard provides connectors to connect to FDD, IDE HDD, case, modem, LAN, USB Ports, IR module and CPU/System FAN. 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 Chassis Intrusion Switch Connector: J8 This connector is connected to 2-pin connector chassis switch.
Chapter 2 Hard Disk Connectors: IDE1 & IDE2 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.
Hardware Setup CD-In Connector: JCD1 The connector is for CD-ROM audio connector. Aux Line-In Connector: JAUX1 The connector is for DVD add-on card with Line-in connector. Modem-In Connector: JMD1 The connector is for modem with internal audio connector. JAUX1 JCD1 Phone_In JMD1 Mono_Out...
Chapter 2 Fan Power Connectors: CPUFA/SYSFA The CPUFA (processor fan) & SYSFA (system fan) support system cool- ing fan with +12V. It supports three-pin 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.
Hardware Setup Front Panel Connector: JFP1 or JFP2 The mainboard provides one front panel connector for electrical connec- tion to the front panel switches and LEDs. Users can choose either the JFP1 or the JFP2 depending on their needs. The difference between JFP1 & JFP2 is that ®...
Chapter 2 Front Panel Audio Connector: JAUD1 You can connect an optional audio connector to the Front Panel Audio ® Header. Pin number 1 to 10 of the audio pin header is compliant with Intel Front Panel I/O Connectivity Design Guide. JAUD1 JAUD1 Pin Definition (1~10) Signal...
Page 31
Hardware Setup Note: To have the Line-out connector on the back panel work properly, you need to place jumpers on pin# 13~16 (MSI spec) or on pin#5~6 and 9~10 (Intel spec) of the JAUD1 connector. Otherwise, this Line-out connector will not function and nothing can be heard through speakers or headphones attached to the Line-out connector on the back panel.
Chapter 2 Front USB Connectors: JUSB1 or JUSB2 The mainboard provides one front Universal Serial Bus connector for users to connect to USB devices. Users can choose either the JUSB1 or the ® JUSB2 depending on their needs. The JUSB1 is compliant with Intel Front Panel I/O Connectivity Design Guide.
Hardware Setup IrDA Infrared Module Header: JIR1 This connector allows you to connect to IrDA Infrared modules and is ® compliant with Intel Front Panel I/O Connectivity Design Guide. You must configure the setting through the BIOS setup to use the IR function. JIR1 JIR1 Pin Definition Signal...
Chapter 2 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.
Hardware Setup Slots The motherboard provides three 32-bit Master PCI bus slots, one AGP slot and one CNR slot. AGP Slot PCI Slots 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 PCI Interrupt Request Routing The IRQ, abbreviation 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 INT A# ~ INT D# pins as follows: Order 1 Order 2...
BIOS Setup Chapter 3. BIOS Setup 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: An error message appears on the screen during the system booting up, and requests you to run SETUP.
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 <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.
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 high- lighted 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 <Enter>...
Page 41
BIOS Setup 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 the BIOS default values for minimal but stable system performance.
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 <PgUp> or <PgDn> keys to select the value you want in each item.
Page 43
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”.
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.
Page 45
BIOS Setup First/Second/Third Boot Device The items allow you to set the sequence of boot devices where BIOS attempts to load the disk operating system. The settings are: Floppy The system will boot from floppy drive. LS120 The system will boot from LS-120 drive. HDD-0 The system will boot from the first HDD.
Page 46
Chapter 3 Typematic Rate Setting This item is used to enable or disable the typematic rate setting including Typematic Rate & Typematic Delay. Typematic Rate (Chars/Sec) After Typematic Rate Setting is enabled, this item allows you to set the rate (characters/second) at which the keys are accelerated.
Page 47
BIOS Setup HDD S.M.A.R.T. Capability This allows you to activate the S.M.A.R.T. (Self-Monitoring Analysis & Re- porting Technology) capability for the hard disks. S.M.A.R.T is a utility that monitors your disk status to predict hard disk failure. This gives you an oppor- tunity to move data from a hard disk that is going to fail to a safe place before the hard disk becomes offline.
Chapter 3 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. Advanced DRAM Control 1 Press <Enter>...
Page 49
BIOS Setup 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. Setting options: Safe Mode, Normal Mode, Fast Mode, Turbo Mode, Ultra Mode. CAS Latency Setting When synchronous DRAM is installed, the number of clock cycles of CAS latency depends on the DRAM timing.
Chapter 3 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 & 3-14...
Page 51
BIOS Setup IDE controllers. Setting options: Disabled, Primary, Secondary, Both. 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.
Page 52
Chapter 3 SiS-7012 AC97 Audio This setting enables or disables the SiS-7012 AC97 audio. Setting options: Disabled, Enabled. SiS-7013 S/W Modem This setting enables or disables the SiS-7013 S/W modem. Setting options: Disabled, Enabled. System Share Memory Size (for SiS650 chipset only) For SiS650 chipset, the system shares memory to the onboard VGA card.
Page 53
BIOS Setup Onboard Serial Port 1/Port 2 Select an address and corresponding interrupt for the first and second serial ports. The settings are: 3F8/IRQ4, 2E8/IRQ3, 3E8/IRQ4, 2F8/IRQ3, Disabled, Auto. UART Mode Select This setting allows you to specify the operation mode for serial port 2. Setting options: IrDA, ASKIR, Normal.
Page 54
Chapter 3 EPP : Enhanced Parallel Port ECP : Extended Capability Port ECP + EPP: Extended Capability Port + Enhanced Parallel Port SPP/EPP/ECP/ECP+EPP 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.”...
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. ACPI Function This item is to activate the ACPI (Advanced Configuration and Power Man- agement Interface) Function.
Page 56
Chapter 3 Video Off Option This setting is used to control the mode in which the monitor will shut down. Setting options: Always On Always turn on. Suspend -> Off During suspend mode, the monitor will shut down. Susp, Stby->Off During suspend or standby mode, the monitor will shut down.
Page 57
BIOS Setup Power Button Override Pressing the power button for more than 4 seconds forces the system to enter the Soft-Off state. The settings are: Delay 4 Sec, Instant Off. Power/Sleep LED This item configures how the system uses power LED on the case to indicate the sleep state.
Page 58
Chapter 3 RING Power Up Control, PCI PME Power Up Control, USB Port Wake Up Control, Hot Key Power Up Control, PS2 Mouse Power Up Control These fields specify whether the system will be awakened from power saving modes when activity or input signal of the specified hardware peripheral or component is detected.
BIOS Setup PNP/PCI Configurations This section describes configuring the PCI bus system. PCI, or Personal Com- puter 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 spe- cial components.
Page 60
Chapter 3 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. Settings are: PCI Device For Plug & Play compatible devices designed for PCI bus architecture.
BIOS Setup PC Health Status This section shows the status of your CPU, fan, warning for overall system status. CPU Warning Temperature If the CPU temperature reaches the upper limit preset in this setting, the warn- ing 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 avail- able only if there is hardware monitoring mechanism onboard. CPU Clock Ratio 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.
Page 63
BIOS Setup cause even a slight jitter can introduce a temporary boost in clockspeed which may just cause your overclocked processor to lock up. CPU Host/SDRAM/PCI Clock This setting controls the clock speed of the CPU Host (FSB)/SDRAM memory bus/PCI bus on the motherboard. 3-27...
Chapter 3 Load Fail-Safe/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 opti- mal performance of the mainboard.
BIOS Setup Set 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 <Enter>. The password typed now will replace any previously set password from CMOS memory.
Glossary Glossary Glossary ACPI (Advanced Configuration & Power Interface) This power management specification enables the OS (operating system) to control the amount of power given to each device attached to the computer. Windows 98/98SE, Windows 2000 and Windows ME can fully support ACPI to allow users managing the system power flexibly.
Page 67
Glossary example, a modem chipset contains all the primary circuits for transmitting and receiv- ing data; a PC chipset provides the electronic interfaces between all subsystems. CMOS (complementary metal-oxide semiconductor) CMOS is a widely used type of semiconductor, which features high speed and low power consumption.
Page 68
Glossary ECC Memory (error correcting code memory) A type of memory that contains special circuitry for testing the accuracy of data and correcting the errors on the fly. IDE (Integrated Drive Electronics) A type of disk-drive interface widely used to connect hard disks, CD-ROMs and tape drives to a PC, in which the controller electronics is integrated into the drive itself, eliminating the need for a separate adapter card.
Page 69
Glossary PCI (Peripheral Component Interconnect) A local bus standard developed by Intel that first appeared on PCs in late 1993. PCI provides “plug and play” capability and allows IRQs to be shared. The PCI controller can exchange data with the system's CPU either 32 bits or 64 bits at a time. PnP (Plug and Play) A set of specifications that allows a PC to configure itself automatically to work with peripherals.
Need help?
Do you have a question about the MS-6558/G and is the answer not in the manual?
Questions and answers