MSI 645 Ultra Manual Download Page 1

Page: 1 / 71

Version 1.0

G52-MA00481

MS-6547 (v1.X) ATX Mainboard

MSI

MICRO-STAR INTERNATIONAL

645 Ultra

Summary of Contents for 645 Ultra

Page 1: ...i Version 1 0 G52 MA00481 MS 6547 v1 X ATX Mainboard MSI MICRO STAR INTERNATIONAL 645 Ultra ...

Page 2: ...th the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Notice 1 The changes or modifications not expressly approved by the party respon sible for compliance could void the user s authority to opera...

Page 3: ... serve 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 PS 2 and OS 2 are registered trademarks of IBM Corporation Windows 95 and Windows NT are registered trademarks of Microsoft Netware is a registered trademark of Novell Award is a registered tradema...

Page 4: ... module 9 All cautions and warnings on the equipment should be noted 10 Never pour any liquid into the opening that could damage or cause electri cal shock 11 If any of the following situations arises get the equipment checked by a service personnel z The power cord or plug is damaged z Liquid has penetrated into the equipment z The equipment has been exposed to moisture z The equipment has not wo...

Page 5: ... Processing Unit CPU 2 2 CPU Installation Procedures 2 2 Installing the CPU Fan 2 3 CPU Core Speed Derivation Procedure 2 4 Memory 2 5 Introduction to DDR SDRAM 2 5 DDR Module Combination 2 6 Installing DDR Modules 2 6 Power Supply 2 7 ATX 20 Pin Power Connector JWR1 2 7 ATX 12V Power Connector JPW1 2 7 Back Panel 2 8 Mouse Connector JKBMS1 2 8 Keyboard Connector JKBMS1 2 9 USB Connectors 2 9 Seri...

Page 6: ... Infrared Module Header JIR2 2 16 Front Panel Connector JFP1 or JFP2 2 17 Front Panel Audio Connector JP20 2 18 Front USB Connector JUSB1 or JUSB3 2 19 D Bracket Connector JLED1 2 20 Clear CMOS Jumper JBAT1 2 21 Jumpers 2 21 Slots 2 22 AGP Accelerated Graphics Port Slot 2 22 PCI Slots 2 22 CNR CommunicationNetworkRiser 2 22 PCI Interrupt Request Routing 2 23 Chapter 3 BIOS Setup 3 1 Entering Setup...

Page 7: ...et Features 3 11 Power Management Features 3 13 PNP PCI Configurations 3 16 Integrated Peripherals 3 19 PC Health Status 3 22 Frequency Voltage Control 3 23 Supervisor User Password 3 25 Load High Performance BIOS Setup Defaults 3 26 Glossary G 1 ...

Page 8: ...Thank you for purchasing the 645 Ultra MS 6547 v1 X ATX mainboard The 645 Ultra is a superior computer mainboard based on SiS645 SiS961 chipsets for optimal system efficiency Designed to fit the advanced Intel Pentium 4 processors in the 478 pin package the 645 Ultra delivers a high performance and professional desktop platform solution 1 Getting Started ...

Page 9: ...ded capabilities for 6 ports Supports AC 97 V2 2 audio codec and modem codec ACPI 1 0b and APM 1 2 compliant LPC 1 0 interface PCI 2 2 interface MainMemory Supports six memory banks using three184 pin DDR DIMM Supportsupto3GBDDR333 DDR266 DDR200SDRAM Supports 2 5v DDR SDRAM Slots One AGP Accelerated Graphics Port 4x slot Five PCI 2 2 32 bit PCI bus slots support 3 3v 5v PCI bus interface One CNR C...

Page 10: ...odec BIOS The mainboard BIOS provides Plug Play BIOS which detects the pe ripheral devices and expansion cards of the board automatically The mainboard provides a Desktop Management Interface DMI function which records your mainboard specifications Dimension ATXFormFactor 30 5cm L x 22 0cm W Mounting 6 mounting holes Others Modem Internal External Ring Wake Up Function Suspend to RAM Disk SupportP...

Page 11: ...lot 1 AGP Slot IDE 1 IDE 2 CNR USB ports JPW1 Top Parallel Port Bottom COM A COM B Top mouse Bottom keyboard JCD1 Codec Winbond W83697HF JMD1 JAUX1 Top Game port Bottom Line Out Line In Mic FDD 1 SiS 961 SiS 645 ATX Power Supply BIOS BATT JUSB1 optional JFP2 optional JUSB3 optional Mainboard Layout 645 Ultra MS 6547 v1 X ATX Mainboard ...

Page 12: ... connectors See p 2 13 JCD1 JAUX1 JMD1 CD AUX Modem in connectors See p 2 14 CPUFA SYSFA Fan power connectors See p 2 15 JMDM1 Wake on ring connector See p 2 16 JIR2 IrDA infrared module connector See p 2 16 JFP1 JFP2 Front panel connectors See p 2 17 JP20 Front panel audio connector See p 2 18 JUSB1 JUSB3 USB front connector See p 2 19 JLED1 D Bracket connector See p 2 20 JBAT1 Clear CMOS jumper ...

Page 13: ...up menu CPU Warning Temperature Disabled Current System Temp Current CPU Temperature Current Top Tech III Temp SYSTEM fan POWER fan CPU fan Vcore VTT 3 3V 5V 12V 12V 5V VBAT V 5VSB V Chassis Intrusion Detect Disabled Shutdown Temperature Disabled Item Help Menu Level Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Values F6 Fail Safe Defaults F7 Optimized Defaults CMOS ...

Page 14: ...al time operation monitor CPU system temperatures monitor fan speed s monitor system voltage monitor chassis intrusion If one of the items above is abnormal the program main screen will be immediately shown on the screen with the abnormal item highlighted in red This will continue to be shown until user disables the warning Note Items shown on PC Alert III vary depending on your system s status ...

Page 15: ...dows environment Select the CPU fre quency you prefer and click Go to apply the frequency or click Save allowing the system to run at the specified frequency each time when the system is powered on Features z Display Current System Status CPU Fan CPUTemp Vcore Vio Memory Clock CPUClock AGPClock PCIClock z Adjust CPU FSB Frequency ...

Page 16: ...een Click the desired button to start the update process z z z z z Live BIOS Updates the BIOS online If your motherboard does not support the function the sorry message is displayed z z z z z Live Driver Updates the drivers online If your motherboard does not sup port the function the sorry message is displayed z z z z z Live VGA BIOS Updates the VGA BIOS online If your VGA device does not support...

Page 17: ...e overclocking users These users can use the feature to detect if there are any problems or failures D Bracket D Bracket Description System Power ON The D LED will hang here if the processor is damaged or not installed properly Early Chipset Initialization Memory Detection Test Testing onboard memory size The D LED will hang if the memory module is damaged or not installed properly Decompressing B...

Page 18: ...deo adapter BIOS Sign On This will start showing information about logo processor brand name etc Testing Base and Extended Memory Testing base memory from 240K to 640K and extended memory above 1MB using various patterns Assign Resources to all ISA Initializing Hard Drive Controller This will initialize IDE drive and controller Initializing Floppy Drive Controller This will initializing Floppy Dri...

Page 19: ... 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 TOPICS Central Processing Unit CPU 2 2 Memory Installation 2 5 Power Supply 2 7 Back Panel 2 8 Connectors 2 12 Jumpers 2 21 Slots 2 22 2 Hardware Setup ...

Page 20: ...ink and cooling fan contact your dealer to purchase and install them before turning on the computer 1 Pull the lever sideways away from the socket Then raise the lever up to a 90 degree angle 2 Look for the dot cut edge The dot cut edge should point to wards the lever pivot The CPU will only fit in the correct orientation 3 Hold the CPU down firmly and then close the lever to complete the installa...

Page 21: ...f the CPU Follow the instructions below to install the Heatsink Fan 2 Position the heatsink onto the reten tion mechanism 1 Locate the CPU and its retention mechanism on the motherboard 3 Mount the fan on top of the heatsink Press down the fan until its four clips get wedged in the holes of the reten tion mechanism 4 Press the two levers down to fasten the fan Each lever can be pressed down in onl...

Page 22: ... pin fan power connector on the board fan power cable Overclocking This motherboard is designed to support overclocking However please make sure your components are able to tolerate such abnormal setting while doing overclocking Any attempt to operate beyond product specifications is not recommended We do not guarantee the damages or risks caused by inadequate operation or beyond product specifica...

Page 23: ...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 mod ules rather than 168 pin DIMM modules used by SDR SDRAM Two types of DDRareavailableatthetimeofwriting PC1600 PC2100 PC1600DDRSDRAM running at 100MHz will produce about 1 6GB s memory bandwidth PC2100 running at 133MHz ...

Page 24: ...r y S lo t 1 B a n k 0 B a n k 1 6 4 M B 1 2 8 M B 2 5 6 M B 5 1 2 M B 1 G B 6 4 M B 1 G B S lo t 2 B a n k 2 B a n k 3 6 4 M B 1 2 8 M B 2 5 6 M B 5 1 2 M B 1 G B 6 4 M B 1 G B S lo t 3 B a n k 4 B a n k 5 6 4 M B 1 2 8 M B 2 5 6 M B 5 1 2 M B 1 G B 6 4 M B 1 G B M a x im u m S y s te m M e m o r y S u p p o r te d 6 4 M B 3 G B 1 The DDR DIMM module has only one notch on the center 2 Insert the ...

Page 25: ...tely when the power supply connector is inserted on the board 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 12V Power Connector JPW1 This 12V power connector is used to provide power to the CPU JWR1 10 1 20 11 JPW1 1 3 2 4 PIN SIGNAL 1...

Page 26: ... a PS 2 mouse You can plug a PS 2 mouse directly into this connector The connector location and pin assignments are as follows PS 2 Mouse 6 pin Female Mouse Keyboard USB Parallel COM A COM B L out L in MIC Midi Joystick 2 1 3 4 5 6 PIN SIGNAL DESCRIPTION 1 MouseDATA MouseDATA 2 NC Noconnection 3 GND Ground 4 VCC 5V 5 Mouse Clock Mouse clock 6 NC Noconnection Pin Definition ...

Page 27: ...ching USB devices such as keyboard mouse or other USB compatible devices You can plug the USB device directly into ths connector USB Ports 1 2 3 4 5 6 7 8 2 1 3 4 5 6 PIN SIGNAL DESCRIPTION 1 Keyboard DATA Keyboard DATA 2 NC Noconnection 3 GND Ground 4 VCC 5V 5 Keyboard Clock Keyboard clock 6 NC Noconnection Pin Definition PIN SIGNAL DESCRIPTION 1 VCC 5V 2 Data 0 Negative Data Channel 0 3 Data0 Po...

Page 28: ...n 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 1 8 Stereo Audio Connectors 1 2 3 4 5 6 7 8 9 Line Out Line In MIC PIN SIGNAL DESCRIPTION 1 DCD Data Carry Detect 2 SIN Serial In or Receive Data 3 SOUT Serial Out or ...

Page 29: ...P mode 13 1 14 25 PIN SIGNAL DESCRIPTION 1 STROBE Strobe 2 DATA0 Data0 3 DATA1 Data1 4 DATA2 Data2 5 DATA3 Data3 6 DATA4 Data4 7 DATA5 Data5 8 DATA6 Data6 9 DATA7 Data7 10 ACK Acknowledge 1 1 BUSY Busy 12 PE PaperEnd 13 SELECT Select 14 AUTO FEED AutomaticFeed 15 ERR Error 16 INIT Initialize Printer 17 SLIN SelectIn 18 GND Ground 19 GND Ground 20 GND Ground 21 GND Ground 22 GND Ground 23 GND Groun...

Page 30: ... 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 Connectors FDD 1 ...

Page 31: ...ovided IDE hard disk cable IDE1 PrimaryIDEConnector The first hard drive should always be connected to IDE1 IDE1 can connect a Master and a Slave drive You must configure second hard drive to Slave mode by setting the jumper accordingly IDE2 Secondary IDE Connector IDE2 can also connect a Master and a Slave drive IDE 1 IDE 2 TIP If you install two hard disks on cable you must configure the second ...

Page 32: ...or is for modem with internal audio connector 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 JCD1 GND R L JAUX1 GND R L JMD1 GND Phone_In Mono_Out ...

Page 33: ... the 12V the black wire is Ground and should be connected to GND If the mainboard has a System Hardware Monitor chipset on board you must use a specially designed fan with speed sensor to take advantage of the CPU fan control Note 1 Always consult the vendor for proper CPU cooling fan 2 CPU Fan supports the fan control You can install the PC Alert utility that will automatically control the CPU Fa...

Page 34: ...ceived through the modem card IrDA Infrared Module Header JIR2 This connector allows you to connect to IrDA Infrared modules You must configure the setting through the BIOS setup to use the IR function The JIR2 is compliant to Intel Front Panel I O Connectivity Design Guide JMDM1 NC MDM_WAKEUP 5VSB 1 NC 1 2 5 6 JIR2 Pin Signal 1 NC 2 NC 3 VCC 4 GND 5 IRTX 6 IRRX JIR2 Pin Definition ...

Page 35: ...ctivity Design Guide JFP1 Power Switch Power LED Reset Switch HDD LED Speaker Buzzer short pin 10 11 1 8 JFP2 Intel spec 1 2 9 10 PIN SIGNAL DESCRIPTION 1 HD_LED_P Hard disk LED pull up 2 FP PWR SLP MSG LED pull up 3 HD_LED_N Hard disk active LED 4 FP PWR SLP MSG LED pull up 5 RST_SW_N Reset Switch low reference pull down to GND 6 PWR_SW_P Power Switch high reference pull up 7 RST_SW_P Reset Switc...

Page 36: ...irected to the rear audio ports 5 6 10 9 PIN SIGNAL DESCRIPTION 1 AUD_MIC Front panel microphone input signal 2 AUD_GND Ground used by analog audio circuits 3 AUD_MIC_BIAS Microphone power 4 AUD_VCC Filtered 5V used by analog audio circuits 5 AUD_FPOUT_R Right channel audio signal to front panel 6 AUD_RET_R Right channel audio signal return from front panel 7 HP_ON Reserved for future use to contr...

Page 37: ...USB3 depending on their needs The JUSB3 is compliant with Intel Front Panel I O Connectivity Design Guide Pin Description Pin Description 1 VCC 2 VCC 3 DATA2 4 DATA3 5 DATA2 6 DATA3 7 GND 8 GND 9 NC 10 OC0 JUSB3 Pin Definition Pin Description Pin Description 1 VCC 2 GND 3 DATA2 4 GND 5 DATA2 6 DATA3 7 GND 8 DATA3 9 GND 10 VCC JUSB1 Pin Definition 10 2 9 1 JUSB3 Intel spec 10 2 9 1 JUSB1 MSI spec ...

Page 38: ...nnect to D Bracket D Bracket is a USB Bracket integrating four LEDs and allows users to identify system problem through 16 various combinations of LED signals For definitions of 16 signal combinations please refer to Chapter 1 D Bracket D Bracket Connected to JLED1 Connected to JUSB1 or JUSB3 JLED1 ...

Page 39: ... the system configuration use the JBAT1 Clear CMOS Jumper to clear data Follow the instructions below to clear the data 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 3 1 Keep CMOS 3 1 JBAT1 1 You can clear CMOS by shorting 2 3 pin while the system is off...

Page 40: ...ds 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 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 audi...

Page 41: ...r 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 Order 3 Order 4 PCI Slot 1 INT A INTB INTC INTD PCI Slot 2 INT B INTC INTD INT A PCI Slot 3 INTC INTD INT A INTB PCI Slot 4 INTD INT A INTB INTC PCI Slot 5 INT B INTC INTD INT A ...

Page 42: ...16 Integrated Peripherals 3 19 PC Health Status 3 22 Frequency Voltage Control 3 23 Supervisor User Password 3 25 Load High Performance BIOS Setup Defaults 3 26 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 An error message appears on the screen during the system booting up ...

Page 43: ... by pressing F11 When the same message as listed above appears on the screen press F11 to trigger the boot menu The POST messages might pass by too quickly for you to respond in time If so restart the system and press F11 after around 2 or 3 seconds to activate the boot menu similar to the following The boot menu will list all the bootable devices Select the one you want to boot from by using arro...

Page 44: ...F10 Save all the CMOS changes and exit Getting Help After entering the Setup utility the first screen you see is the Main Menu MainMenu The main menu displays the setup categories the BIOS supplies You can use the arrow keys to select the item The on line description for the selected setup category is displayed at the bottom of the screen Default Settings The BIOS setup program contains two kinds ...

Page 45: ...alues in the chipset registers and optimize your system s performance PowerManagementFeatures Use this menu to specify your settings for power management PNP PCIConfigurations This entry appears if your system supports PnP PCI Once you enter AMIBIOS EASY SETUP UTILITY the Main Menu will appear on the screen The Main Menu displays twelve configurable functions and two exit choices Use arrow keys to...

Page 46: ...Password Use this menu to set Supervisor Password Set User Password Use this menu to set User Password LoadHighPerformanceDefaults Use this menu to load the BIOS values for the best system performance but the system stability may be affected LoadBIOSSetupDefaults Use this menu to load factory default settings into the BIOS for stable system performance operations Save ExitSetup Save changes to CMO...

Page 47: ... you prefer System Date This allows you to set the system to the date that you want usually the current date The format is day month date year day Day of the week from Sun to Sat determined by BIOS Read only month The month from Jan through Dec date The date from 1 to 31 can be keyed by numeric function keys year The year can be adjusted by users System Time This allows you to set the system time ...

Page 48: ...the device FloppyDriveA B This item allows you to set the type of floppy drives installed Available options Not Installed 360 KB 5 1 2 MB 5 720 KB 3 1 44 MB 3 and 2 88 MB 3 Boot Sector Virus Protection The item is to set the Virus Warning feature for IDE Hard Disk boot sector protection When Enabled BIOS will issue a virus warning message and beep if a write to the boot sector or the partition tab...

Page 49: ... POST messages at boot BIOS Shows a still image logo on the full screen at boot 1st 2nd 3rd Boot Device The items allow you to set the sequence of boot devices where AMIBIOS attempts to load the operating system The settings are IDE 0 The system will boot from the first HDD IDE 1 The system will boot from the second HDD IDE 2 The system will boot from the third HDD IDE 3 The system will boot from ...

Page 50: ...stem to try to boot from other devices if the system fails to boot from the 1st 2nd 3rd boot device S M A R T for Hard Disks 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 goin...

Page 51: ...y is additional memory that is much faster than conventional DRAM system memory When the CPU requests data the system transfers the requested data from the main DRAM into cache memory for even faster access by the CPU The setting controls the internal cache also known as L1 or level 1 cache Setting options Disabled WriteBack WriteThru WriteBack WriteThru refer to the cache s write policy which det...

Page 52: ...M on the DRAM module Timing Setting Mode 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 Setting options Safe Normal Fast Turbo Ultra MA 1T 2T Select This setting controls the SDRAM command rate Selecting Normal all...

Page 53: ...ccelerated Graphics Port AGP aperture Aperture is a portion of the PCI memory address range dedicated for graphics memory address space Host cycles that hit the aperture range are forwarded to the AGP without any translation Settings 4MB 8MB 16MB 32MB 64MB 128MB 256MB ...

Page 54: ... POS The S1 sleep mode is a low power state In this state no system context is lost CPU or chipset and hardware maintains all system context S3 STR The S3 sleep mode is a lower power state where the infor mation of system cofiguration and open applications files is saved to main memory that remains powered while most other hardware components turn off to save energy The information stored in memor...

Page 55: ...Settings are Disabled 1 min 2 min 3 min 4 min 5 min 10 min 15 min 20 min 30 min Pentium4ThermalMonitor This setting enables disables the monitoring of the Pentium 4 processor tem perature to prevent the CPU from overheating PowerButtonFunction This feature sets the function of the power button Settings are Power Off The power button functions as normal power off button Suspend When you press the p...

Page 56: ...ing up the system on a scheduled time date from the soft off S5 state Settings Enabled and Disabled AlarmDate Hour Minute Second If Resume By Alarm is set to Enabled the system will automatically resume boot up on a specific date hour minute second specified in these fields Available settings for each item are Alarm Date 01 31 Every Day Alarm Hour 00 23 Alarm Minute 00 59 Alarm Second 00 59 Note 1...

Page 57: ...ystem Configuration Data NVRAM Non volatile Ran dom Access Memory is where the BIOS stores resource information for both PNP and non PNP devices in a bit string format When the item is set to Yes the system will reset ESCD NVRAM right after the system is booted up and then set the setting of the item back to No automatically PrimaryGraphicsAdapter This item specifies which VGA card is your primary...

Page 58: ...Q PCI Slot3 IRQ PCI Slot4 IRQ This item specifies the IRQ line for each PCI slot Settings 3 4 5 7 9 10 11 and Auto Selecting Auto allows BIOS to automatically determine the IRQ line for each PCI slot Set IRQs to PCI or ISA Press Enter to enter the sub menu and the following screen appears VGA Palette Snoop Bit Setting Action Disabled Data read or written by the CPU is only directed to the PCI VGA ...

Page 59: ...e configured as PCI PnP If all IRQs are set to ISA EISA and IRQ 14 15 are allocated to the onboard PCI IDE IRQ 9 will still be available for PCI and PnP devices Available settings ISA EISA and PCI PnP Set DMAs to PnP or ISA Press Enter to enter the sub menu and the following screen appears DMA Channel 0 1 3 5 6 7 These items specify the bus that the system DMA Direct Memory Access channel is used ...

Page 60: ...BIOS Setup 3 19 Integrated Peripherals Set Super I O Press Enter to enter the sub menu and the following screen appears FloppyController This is used to enable or disable the onboard Floppy controller ...

Page 61: ...Parallel Port This field specifies the base I O port address of the onboard parallel port Selecting Auto allows AMIBIOS to automatically determine the correct base I O port address Settings Auto 378 278 3BC and Disabled ParallelPortMode This item selects the operation mode for the onboard parallel port ECP Normal Bi Dir or EPP EPP Version The item selects the EPP version used by the parallel port ...

Page 62: ...ess for the onboard game port USB Device This setting is used to enable disable the onboard USB controllers Setting options Enabled Disabled USB Device Legacy Support Set to Enabled if your need to use any USB device in the operating system that does not support or have any USB driver installed such as DOS and SCO Unix Setting options Disabled Enabled Audio Modem Device This setting is used to ena...

Page 63: ...fan warning for overall system status CPU System Fan Speed CPU System Temperature Vcore 3 3V 5 0V 12 0V 12 0V 5 0V Battery Voltage These items display the current status of all of the monitored hardware de vices components such as CPU voltages temperatures and all fans speeds ...

Page 64: ...uency combinations Please note that the setting options vary according to the CPU FSB Clock preset CPU FSB Clock Setting Options 100MHz 1 1 3 4 3 5 By SPD 101 132MHz 1 1 3 4 3 5 133 160MHz 4 3 1 1 4 5 161 200MHz Auto 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 Freque...

Page 65: ...are plagued by EMI setting to Enabled for EMI reduction Remember to disable Spread Spectrum if you are overclocking be cause even a slight jitter can introduce a temporary boost in clockspeed which may just cause your overclocked processor to lock up UnusedPCISlot DIMMClk This setting enables you to stop or activate the unused PCI slot DIMM clock Setting options Stop Action CPUVcoreAdjust V This s...

Page 66: ...when you are prompted to enter the password A message will show up confirming the password will be disabled Once the password is disabled the system will boot and you can enter Setup without entering any password When a password has been set you will be prompted to enter it every time you try to enter Setup This prevents an unauthorized person from changing any part of your system configuration Ad...

Page 67: ...e best system performance but may lead to a stability issue The option is for power or overclocking users only Use of high performance defaults will tighten most timings to increase the sys tem performance Therefore a high end system configuration is a must which means you need high quality VGA adapter RAM and so on We don t recommend that users should apply the high performance defaults in their ...

Page 68: ...f input output interface such as keyboard disk drives etc It executes hardware test on booting the system starts the OS and provides an interface between the OS and the components The BIOS is stored in a ROM chip Buffer A region of memory reserved as a temporary storage area In most cases the OS or applica tions will create buffer areas to save the necessary data and the applications can find the ...

Page 69: ...ing the DMA controller data is transferred much faster DRAM Dynamic RAM A most common type of computer memory It usually uses one transistor and a capacitor to represent a bit As the development of technology the memory type and specification used in computer becomes variety such as SDRAM DDR SDRAM and RDRAM For further instruction please see the table below Dynamic RAM DRAM Memory Technologies Ty...

Page 70: ...rea network A computer netwoek that covers a relatively smaller area such as in a building or an enterprise It is made up of servers workstations shared resources a network operating system and a communications link These individual PCs and devices on a LAN are known as nodes and are connected by cables to access data and devices anywhere on the LAN so that many users can share expensive devices a...

Page 71: ... to a PC The PS 2 port supports a mini DIN plug containing just 6 pins Most modern PCs equipped with PS 2 ports so that the special port can be used by another device such as a modem USB universal serial bus A hardware interface for low speed peripherals such as the keyboard mouse joystick etc USB provides a maximum bandwidth of 12 Mbit sec Mbps for connecting up to 127 periph eral devices to PC U...

Search results

Summary of Contents for 645 Ultra

Reviews:

Related manuals for 645 Ultra

Brands by name

Popular brands

MSI 645 Ultra, Manual

Search results

Summary of Contents for 645 Ultra

Reviews:

Related manuals for 645 Ultra

Brands by name

Popular brands