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VIA Technologies EPIA-PD Mini-ITX, User Manual

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VIA Technologies EPIA-PD Mini-ITX User Manual Download Page 62

Chapter 3 

 

54 

Spread Spectrum 

When the mainboard’s clock generator pulses, the extreme values (spikes) of 

the pulses creates EMI (Electromagnetic Interference). The Spread Spectrum 

function reduces the EMI generated by modulating the pulses so that the spikes 

of the pulses are reduced to flatter curves. 

 

Summary of Contents for EPIA-PD Mini-ITX

Page 1: ...User s Manual EPIA PD Mini ITX Mainboard P N 99 51 012811 11 Version 1 21 September 25 2008...

Page 2: ...VIA has made every effort to ensure the accuracy of the content of this manual However it is possible that it may contain technical inaccuracies or typographical or other errors Our products are unde...

Page 3: ...used in accordance with 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...

Page 4: ...on the equipment should be noted 10 Never pour any liquid into the opening Liquid can cause damage or electrical shock 11 If any of the following situations arises get the equipment checked by a serv...

Page 5: ...i BOX CONTENTS 1 x VIA Mainboard 1 x User s Manual 1 x ATA 33 66 100 133 IDE Ribbon Cable 1 x I O Bracket 1 x Driver Utilities CD...

Page 6: ...necting the Power Supply 12 Back Panel Ports 13 Connectors 17 Jumpers 24 Slots 25 Chapter 3 27 BIOS Setup 27 Entering Setup 28 Control Keys 28 Getting Help 29 Main Menu 30 Standard CMOS Features 32 ID...

Page 7: ...iii Load Optimized Defaults 56 Set Supervisor User Password 57 Save Exit Setup 59 Exit Without Saving 60 Chapter 4 61 Driver Installation 61 Driver Utilities 62 CD Content 63...

Page 8: ...iv This page is intentionally left blank...

Page 9: ...of the company s open industry wide total connectivity initiative The mainboard enables the creation of an exciting new generation of small ergonomic innovative and affordable embedded systems Through...

Page 10: ...mory Chipset VIA CLE266 North Bridge VT8235 South Bridge Memory 1 x DDR266 DIMM socket up to 1 GB Expansion Slots 1 x PCI Graphics Integrated VIA UniChrome AGP graphics Audio VT1612A two channel AC 97...

Page 11: ...and mic in Onboard I O Connectors 1 x USB 2 0 connector 1 x Front Audio connector 1 x FIR connector 1 x KB MS connector 1 x Wake on LAN connector 3 x Fan connectors CPU Fan System Fan Power Fan 1 x D...

Page 12: ...Chapter 1 4 MAINBOARD LAYOUT Back Panel...

Page 13: ...ne In Microphone COM 1 Serial port LPT1 Parallel port PS2 MS PS2 mouse port PS2 KB PS2 keyboard port RJ45_1 RJ45_2 10 100 NIC port USB1 USB2 USB3 USB4 Universal Serial Bus ports 1 4 VGA Out VGA out po...

Page 14: ...nnectors F_AUDIO Front Audio connector Mic and Line out F_PANEL Case connectors Fans CPU System and Power fans FIR Infrared Radiation connector I C I C connector IDE1 IDE2 IDE hard disk drive connecto...

Page 15: ...hile installing the mainboard carefully hold the components and closely follow the installation procedures Some components may be damaged if they are installed incorrectly It is recommended to use a g...

Page 16: ...hat the red wire is the Positive and should be connected to the 12V The black wire is Ground and should be connected to GND The CPU System and Power fan connectors have sensors to detect fan speed The...

Page 17: ...Eden Processor features a fanless design The VIA Eden Processor requires only a heatsink as shown Caution This motherboard is not designed to support overclocking Any attempt to operate beyond produc...

Page 18: ...1 Push the white retaining latches at either end of the DIMM slot outwards 2 Align the DDR module with the corresponding notches on the DIMM slot The modules will only fit if placed in the correct po...

Page 19: ...le DDR Configurations Refer to the table below for available DDR configurations on the mainboard Slot Memory Module Total Memory DIMM Bank 0 1 64MB 128MB 256MB 512MB and 1GB 64MB 1GB Maximum System Me...

Page 20: ...ensure that no damage will be caused ATX 20 Pin Power Connector To connect the ATX power supply make sure the plugs of the power supply are inserted in the proper orientation and the pins are correctl...

Page 21: ...ws Pin Signal Description 1 Mouse DATA Mouse data 2 NC No connection 3 GND Ground 4 VCC 5V 5 Mouse Clock Mouse clock 6 NC No connection Keyboard Port PS2_KB The mainboard provides a standard PS 2 keyb...

Page 22: ...Data 4 DTR Data Terminal Ready 5 GND Ground 6 DSR Data Set Ready 7 RTS Request To Send 8 CTS Clear To Send 9 RI Ring Indicate USB Ports The mainboard provides 4 USB 2 0 1 1 ports plus 1 pin header fo...

Page 23: ...ort ECP modes 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 11 BUSY Busy 12...

Page 24: ...one The Line Out jack is for connecting to external speakers or headphones The Line In jack is for connecting to an external audio device such as a CD player tape player etc The Mic jack is for connec...

Page 25: ...DE hard disk cable IDE1 Primary IDE Connector The first hard drive should always be connected to IDE1 IDE1 can connect a Master and a Slave drive You must configure the second hard drive to Slave mode...

Page 26: ...RESET The Reset Switch is used to reboot the system rather than turning the power ON OFF Avoid rebooting while the HDD is working You can connect the Reset Switch from the system case to this pin Powe...

Page 27: ...the BIOS setup to activate the IR function Pin Signal 1 VCC 2 IRRX1 3 IRRX 4 GND 5 IRTX Consumer Infrared Module PS2 Header KBMS When the leader is not in use please short pin 3 5 pin 4 6 pin 7 9 and...

Page 28: ...Signal 1 VCC 2 VCC 3 USB2 4 USB3 5 USB2 6 USB3 7 GND 8 GND 9 NC 10 GND Wake on LAN WOL This connector allows you to connect a network card with the Wake On LAN function The connector will power up the...

Page 29: ...or Receive Data 3 SOUT Serial Out or Transmit Data 4 DTR Data Terminal Ready 5 GND Ground 6 DSR Data Set Ready 7 RTS Request To Send 8 CTS Clear To Send 9 RI Ring Indicate Digital I O Pin header J1 Ge...

Page 30: ...re available for use on the front panel To connect the front audio cable first remove the two red plastic jumpers Pin Signal Pin Signal 1 FRN_MIC 2 AGND 3 AUD_MIC_BIAS 4 5V 5 LINE_OUT_R 6 Next_R 7 NC...

Page 31: ...DS connector please contact your vendor or sales contact for more information Pin Signal Pin Signal 1 GFPDE 2 GFPD3 3 GFPD0 4 GFPD4 5 GFPD1 6 GFPD5 7 GFPD2 8 GFPCLK 9 GFPHS 10 GFPD6 11 GFPVS 12 GFPD7...

Page 32: ...use the CLEAR_CMOS Clear CMOS jumper You can clear the CMOS by shorting 1 2 pin while the system is off Then return it to the 2 3 pin position Shorting the jumper while the system is on will damage th...

Page 33: ...o make any necessary hardware or software settings for the expansion card such as jumpers switches or BIOS configuration PCI Interrupt Request Routing The IRQ abbreviation of interrupt request line an...

Page 34: ......

Page 35: ...27 CHAPTER 3 BIOS Setup This chapter gives a detailed explanation of each BIOS setup functions...

Page 36: ...ow Move to the item in the right side Enter Select the item Escape Jumps to the Exit menu or returns to the main menu from a submenu Page Up Increase the numeric value or make changes Page Down Decrea...

Page 37: ...ght view appears on the left of certain fields this means a sub menu is available The sub menu contains additional options You can use control keys Up Down Arrow Keys to highlight the field and press...

Page 38: ...igurations Advanced BIOS Features Use this menu to set the advanced features available on your system Advanced Chipset Features Use this menu to set chipset specific features and optimize system perfo...

Page 39: ...minimal and stable system operations Load Optimized Defaults Use this menu option to load BIOS default settings for optimal and high performance system operations Set Supervisor Password Use this men...

Page 40: ...Jan to Dec Date the date from 1 to 31 Year the year range from 1999 to 2098 Time The time format is Hour Minute Second Halt On Determine the system behavior if an error is detected at boot Settings ar...

Page 41: ...e sure the information is from your hard disk vendor or system manufacturer IDE Primary Master The name of this menu item will match the name of the menu The settings are None Auto Manual Access Mode...

Page 42: ...essage display on screen Settings Disabled and Enabled CPU L2 Cache ECC Checking Set the ECC Error Correcting Code feature for Level 2 cache Facilitates error detection correction when data passes thr...

Page 43: ...ystem will boot from network drive Disabled Disable this sequence Boot Other Device Enable the system to boot from other devices if the system fails to boot from the First Second Third boot device Set...

Page 44: ...enter Setup Settings are described below Setup The password prompt appears only when end users try to run Setup System A password prompt appears every time when the computer is powered on or when end...

Page 45: ...to 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 and 256MB AGP Mode Internal This mainbo...

Page 46: ...to receive more data Settings Enabled and Disabled Select Display Device This setting refers to the type of display being used with the system Settings CRT LCD and CRT LCD Panel Type This setting refe...

Page 47: ...sfer data to and from the hard disk drive Block mode is also called block transfer multiple commands or multiple sector read write Enabled enables IDE controller to use block mode Disabled allows the...

Page 48: ...roller cards to connect to an audio device Settings Auto and Disabled VIA OnChip LAN This setting allows you to make VIA OnChip LAN enabled or disabled Settings Enabled and Disabled USB Keyboard Suppo...

Page 49: ...Disabled 3F8 IRQ5 2F8 IRQ10 3E8 IRQ5 2E8 IRQ10 4 Disabled 3F8 IRQ5 2F8 IRQ10 3E8 IRQ5 2E8 IRQ10 Onboard Parallel Port This specifies the I O port address and IRQ of the onboard parallel port Settings...

Page 50: ...o DMA channels that it can use The default channel is 3 However some expansion cards may use channel 3 as well To solve this conflict change the ECP channel to 1 Select a DMA channel for the port Sett...

Page 51: ...xt S3 STR S3 Suspend To RAM STR is a power down state In this state power is supplied only to essential components such as main memory and wakeup capable devices The system context is saved to main me...

Page 52: ...turned off if power button is pressed for more than four seconds Instant Off The power button functions as a normal power on off button Run VGABIOS if S3 Resume Select whether to run VGA BIOS if resum...

Page 53: ...PT COM and LPT COM HDD FDD Event Decide whether or not the power management unit should monitor hard disks drives and floppy drives activities Settings Off and On PCI Master Event Decide whether or no...

Page 54: ...whether or not any PCI card can power up the system or resume from suspend state Such PCI cards include LAN onboard USB ports etc Settings Disabled and Enabled Wake On Lan Ring Connector Decide wheth...

Page 55: ...ctivity of the specified IRQ line will prevent the system from entering power saving modes or awaken it from power saving modes These fields are only available if Primary INTR is on Settings Enabled a...

Page 56: ...IDE SCSI The rest of the cards will be initialized by the PnP operating system like Windows 95 or 98 98SE When set to No BIOS will initialize all the PnP cards Set to Yes the operating system is Plug...

Page 57: ...re all the boot and Plug and Play compatible devices Choose Auto ESCD if unsure the BIOS will automatically assign IRQ DMA and memory base address fields Settings Auto ESCD and Manual Assign IRQ For V...

Page 58: ...nd 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 PCI Device For Plug...

Page 59: ...This section shows the status of your CPU fan warning for overall system status The PC Health Status displays the current status of all of the monitored hardware devices components such as CPU voltag...

Page 60: ...ue from the factory setting is not recommended unless you install new memory that has a different performance rating than the original modules Settings Manual and By SPD DRAM CAS Latency This item adj...

Page 61: ...o Manual Settings 2T 3T Active to Precharge Tras This field controls the length of time it a row stays active before precharging Longer values are safer but may not offer the best performance This fie...

Page 62: ...s clock generator pulses the extreme values spikes of the pulses creates EMI Electromagnetic Interference The Spread Spectrum function reduces the EMI generated by modulating the pulses so that the sp...

Page 63: ...BIOS settings to the default Fail Safe values These values are set by the mainboard manufacturer to provide a minimal and stable system When you select Load Fail Safe Defaults a message as below appea...

Page 64: ...timized values The Optimized Defaults are the default values also set by the mainboard manufacturer for both optimized and stable performance of the mainboard When you select Load Optimized Defaults a...

Page 65: ...d 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...

Page 66: ...uld prevent unauthorized use of your computer The setting to determine when the password prompt is required is the Security Option of the Advanced BIOS Features menu If the Security Option is set to S...

Page 67: ...e Setup menu you can select this option to save the changes and quit A message as below will appear on the screen Entering Y will allow you to quit the Setup Utility and save the user setup changes to...

Page 68: ...quit the Setup menu you can select this option to abandon the changes A message as below will appear on the screen Entering Y will allow you to quit the Setup Utility without saving any changes to RTC...

Page 69: ...ief descriptions of each mainboard driver and application You must install the VIA chipset drivers first before installing other drivers such as audio or VGA drivers The applications will only functio...

Page 70: ...isit our website http www viaembedded com for the latest updated mainboard driver and utilities Running the Driver Utilities CD To start using the CD just simply insert the CD into your local CD ROM o...

Page 71: ...river provides service routines to your VGA driver and interface directly to hardware providing fast graphical access IRQ Routing Miniport Driver sets the system s PCI IRQ routing sequence and VIA INF...

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