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VIA Technologies EPIA-EN, User Manual

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VIA Technologies EPIA-EN User Manual Download Page 18

Chapter 2 

 

10 

CPU 

The VIA EPIA-EN Mini-ITX mainboard includes an embedded VIA C7 or Eden 

V4 Bus Processor.  The VIA Eden V4 Bus Processor provides ultra-low power 

consumption and advanced thermal dissipation properties and features a 

fanless design.  The VIA C7 or Eden V4 Bus Processor requires only a 

heatsink to provide sufficient cooling. 

 

 

 

Summary of Contents for EPIA-EN

Page 1: ...User s Manual EPIA EN Version 1 23 January 18 2012...

Page 2: ...e 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 This equipment...

Page 3: ...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 4: ......

Page 5: ...i BOX CONTENTS One VIA Mini ITX mainboard One Quick Installation Guide One ATA 133 100 IDE ribbon cable One driver and utilities CD One IO bracket...

Page 6: ...r 2 9 Installation 9 CPU 10 Memory Module Installation 12 Connecting the Power Supply 13 Back Panel Ports 14 Connectors 17 Jumpers 25 Slots 27 Chapter 3 29 BIOS Setup 29 Entering Setup 30 Control Keys...

Page 7: ...eral Activities 57 IRQs Activities 60 PNP PCI Configurations 61 IRQ Resources 63 PC Health Status 64 Frequency Voltage Control 65 Load Fail Safe Defaults 69 Load Optimized Defaults 70 Set Supervisor U...

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

Page 9: ...stry wide total connectivity initiative The mainboard enables the creation of an exciting new generation of small ergonomic innovative and affordable embedded systems Through a high level of integrati...

Page 10: ...h Bridge Graphics Integrated UniChrome Pro AGP with MPEG 2 Acceleration Audio VIA VT1618 8 channel AC 97 Codec Memory 1 x DDR2 533 400 DIMM slot up to 1 GB Expansion Slot 1 x PCI slot IDE 2 x UltraDMA...

Page 11: ...pin header for 2 additional USB 2 0 ports 1 x IEEE 1394 pin header 1 x SIR pin header IRDA 1 0 1 x Serial port pin header for COM2 1 x Front Panel audio pin header Mic in and Line out 2 x S PDIF conn...

Page 12: ...lash memory capacity ACPI2 0 SMBIOS2 1 and DMI2 2 Form Factor Mini ITX 6 layers 17 cm X 17 cm Note Due to the hardware limitation DDR2 SDRAM chips organized as 128Mb x 8 bank cannot be supported by EP...

Page 13: ...Specifications 5 MAINBOARD LAYOUT...

Page 14: ...Chapter 1 6 BACK PANEL LAYOUT PS 2 Mouse PS 2 Keyboard RCA SPDIF Line In Line Out Microphone S Video USB USB RJ45 LAN VGA Out COM1...

Page 15: ...13 15 COM1 Serial port 1 13 PS 2 Mouse PS 2 mouse port 13 PS 2 Keyboard PS 2 keyboard port 13 RCA SPDIF RCA port SPDIF or TV out 13 14 RJ45 RJ45 port 13 14 USB USB 2 0 ports 13 14 VGA VGA port 13 S V...

Page 16: ...ve connectors 16 KBMS Keyboard and Mouse connector 22 LPC SIR LPC SIR connector 23 LVDS TTL DVI LVDS TTL DVI connector 21 22 SATA 1 2 Serial ATA 1 and 2 connectors 18 SPDIF 1 2 SPDIF In Out connectors...

Page 17: ...n This chapter provides you with information about hardware installation procedures It is recommended to use a grounded wrist strap before handling computer components Electrostatic discharge ESD can...

Page 18: ...dded VIA C7 or Eden V4 Bus Processor The VIA Eden V4 Bus Processor provides ultra low power consumption and advanced thermal dissipation properties and features a fanless design The VIA C7 or Eden V4...

Page 19: ...be aware that the red wire is the Positive and should be connected to the 12V The black wire is Ground and should always be connected to GND FAN_MCM is a switch that is used by high quality fans to m...

Page 20: ...M slot by pressing the retaining clips outward Align a DIMM on the socket such that the notch on the DIMM matches the break on the slot Firmly insert the DIMM into the slot until the retaining clips s...

Page 21: ...ed correctly to ensure that no damage will be caused ATX 20 Pin Power Connector To connect the ATX power supply make sure the power plug is inserted in the proper orientation and the pins are aligned...

Page 22: ...Mouse The green 6 pin connector is for a PS 2 mouse The purple connector is for a PS 2 keyboard Serial port COM 1 The green 9 pin COM 1 port is for pointing devices or other serial devices VGA Out The...

Page 23: ...Network LAN through a network hub and USB 2 0 devices USB 2 0 ports These two 4 pin Universal Serial Bus USB ports are available for connecting USB 2 0 devices RCA SPDIF jack The yellow jack connects...

Page 24: ...witched to Smart 5 1 6 channel audio output You can enable the function by clicking the Vinyl Audio icon on your desktop after installing the audio driver After completing the previous installation co...

Page 25: ...s You can connect up to four hard disk drives CD ROM and other devices The primary hard drive should always be connected to IDE1 as the master drive Both IDE drives can connect to a master and a slave...

Page 26: ...t Switch RST_SW The reset switch is used to reboot the system rather than turning the power ON OFF Avoid rebooting the system if the HDD is still working Connect the reset switch from the system case...

Page 27: ...s Digital Interface S PDIF bracket The S PDIF output provides digital audio to external speakers or compressed AC3 data to an external Dolby Digital Decoder The feature is available only with stereo s...

Page 28: ...y 10 GND FireWire Connector IEEE1394 FireWire is a serial I O interface that provides you fast data transfer rates The mainboard has one FireWire pin header to provide PC connectivity for a wide range...

Page 29: ...udio devices By default the pins labeled LINE_OUT_R NEXT_R and the pins LINE_OUT_L NEXT_L are shorted with jumper caps Remove the caps only when you are connecting the front panel audio cable Pin Sign...

Page 30: ...VICLK 15 DVIVS 16 NC 17 DVIHS 18 NC 19 GND 20 GND 21 12V 22 5V 23 12V 24 5V 25 GND 26 GND 27 3 3V 28 GND 29 ENPVEE 30 GND 31 FPBKLP 32 ENPVDD 33 GFPD13 34 GFPDE 35 GND 36 GFPD17 37 GFPD23 38 GND 39 GF...

Page 31: ...nnector signals Pin Signal 1 Y 2 GND 3 Pr 4 Key 5 Pb 6 GND KBMS Connector KBMS The mainboard provides a PS2 pin header to attach a PS2 keyboard and mouse Pin Signal Pin Signal 1 5V Dual 2 GND 3 KB_CLK...

Page 32: ...his pin connector is for LPC SIR devices Pin Signal Pin Signal 1 LAD1 2 LPCCLK1 3 PCIRSTX 4 GND 5 LAD0 6 SIO_OSC 7 LAD2 8 LFRAME 9 SERIRQ 10 LAD3 11 LDRQ1 12 EXTSMI 13 5V 14 3 3V 15 5V 16 3 3V 17 IRTX...

Page 33: ...per to pins 1 and 2 afterwards Setting the jumper while the system is on will damage the mainboard Setting 1 2 3 Clear CMOS setting OFF ON ON Keep CMOS setting ON ON OFF Caution Except when clearing t...

Page 34: ...Chapter 2 26 BIOS Write Protection WP This jumper allows you to protect from flashing the BIOS BIOS Write Protection setting pin1 WP TBL pin2 GND short 1 2 default WP 1...

Page 35: ...entation for the expansion card if any changes to the system are necessary PCI PCI Interrupt Request Routing The IRQ interrupt request line are hardware lines over which devices can send interrupt sig...

Page 36: ......

Page 37: ...29 CHAPTER 3 BIOS Setup This chapter gives a detailed explanation of the BIOS setup functions...

Page 38: ...30 ENTERING SETUP Power on the computer and press Delete during the beginning of the boot sequence to enter the BIOS setup menu If you missed the BIOS setup entry point you may restart the system and...

Page 39: ...the main menu from a submenu Page Up Increase the numeric value or make changes Page Down Decrease the numeric value or make changes F1 General help only for Status Page Setup Menu and Option Page Se...

Page 40: ...ntrol keys Up Down arrow keys to select any item sub menu Description of the selected highlighted category is displayed at the bottom of the screen An arrow symbol next to a field indicates that a sub...

Page 41: ...The BIOS setup program provides a General Help screen You can display this screen from any menu sub menu by pressing F1 The help screen displays the keys for using and navigating the BIOS setup Press...

Page 42: ...Utility Standard CMOS Features Use this menu to set basic system configurations Advanced BIOS Features Use this menu to set the advanced features available on your system Advanced Chipset Features Use...

Page 43: ...menu option to load BIOS default settings for optimal and high performance system operations Set Supervisor Password Use this menu option to set the BIOS supervisor password Set User Password Use this...

Page 44: ...None IDE Channel 1 Slave None Halt On All But Keyboard Base Memory 640K Extended Memory 195584K Total Memory 196608K Standard CMOS Features Phoenix AwardBIOS CMOS Setup Utility 20 20 20 Date The date...

Page 45: ...The hard disk will not work properly if you enter incorrect information in this category Select Auto whenever possible If you select Manual make sure the information is from your hard disk vendor or s...

Page 46: ...pematic Rate Chars Sec 6 Typematic Delay Msec 250 Security Option Setup APIC Mode Enabled Display Small Logo Disabled CPU L1 L2 Cache Enabled CPU Feature Press Enter MPS Version Control for OS 1 4 Dis...

Page 47: ...m network drive Disabled Disable the boot device sequence Boot Other Device Enables the system to boot from alternate devices if the system fails to boot from the First Second Third Boot Device list S...

Page 48: ...y time the System boots or only when you enter Setup Setting Description Setup Password prompt appears only when end users try to run BIOS Setup System Password prompt appears every time when the comp...

Page 49: ...oExecute NX Disabled C7 TM1 TM2 Working Temp 100 C7 TM Overstress Temp C 125 ODCM Disabled ACPI C4 Function Disabled Thermal Management Thermal Monitor 1 die throtting Thermal Monitor 2 Ratio VID tran...

Page 50: ...212V 1 228V 1 244V 1 260V 1 276V 1 292V 1 308V 1 324V 1 340V 1 356V 1 372V 1 388V 1 404V 1 420V 1 436V 1 452V 1 468V 1 484V 1 500V 1 516V 1 532V 1 548V 1 564V 1 580V 1 596V 1 612V 1 628V 1 644V 1 660V...

Page 51: ...number Settings Min 0 Max 255 ODCM Enables the ODCM On Demand Clock Modulation functionality Settings Enabled Disabled ACPI C4 Function Enables the ACPI Advanced Configuration and Power Management In...

Page 52: ...ority Phoenix AwardBIOS CMOS Setup Utility 2 Pri Slave 3 Sec Master Use or to select a device then press to move it up or to move it down the list Press ESC to exit this menu 4 Sec Slave 5 USB HDD0 6...

Page 53: ...Slot Press Enter Press Enter CRT 07 Disabled Default NTSC Press Enter HDTV 720P RGB Input AGP Driving Control Auto AGP Driving Value DA Caution The Advanced Chipset Features menu is used for optimizi...

Page 54: ...Chapter 3 46...

Page 55: ...Settings Min 0000 Max 000F TV H W Layout Settings Default COMPOSITE S Video COMP R G B COMP Y Cb Cr COMP SDTV R G B COMP SDTV Y Pb Pr COMPOSITE S Video R G B Y Cb Cr SDTV R G B SDTV Y Pb Pr S Video R...

Page 56: ...AGP for video purposes The aperture is a portion of the PCI memory address range dedicated to graphics memory address space Host cycles that hit the aperture range are forwarded to the AGP without any...

Page 57: ...BIOS Setup 49 AGP 3 0 Calibration Cycle Settings Enabled Disabled VGA Share Memory Size Settings Disabled 16M 32M 64M Direct Frame Buffer Settings Enabled Disabled...

Page 58: ...evel Item Help By Auto VLink mode selection CPU PCI Bus Control Phoenix AwardBIOS CMOS Setup Utility VLink 8X Support Enabled DRDY_Timing Default V Link mode selection This menu item controls the data...

Page 59: ...t Connector Phoenix AwardBIOS CMOS Setup Utility CVBS Composite Enabled Cr Y Cb Disabled S Video 0 Y C Enabled R G B Disabled SDTV Pr Y Pb Disabled SDTV R G B Disabled CVBS Composite Settings Enabled...

Page 60: ...hoenix AwardBIOS CMOS Setup Utility OnChip USB Controller All Enabled OnChip EHCI Controller Enabled Onboard IDE Channel 1 and 2 The integrated peripheral controller contains an IDE interface with sup...

Page 61: ...r card is being used to connect to an audio device Setting Description Auto Enables onboard controller if audio device is detected Disabled Turn off onboard controller to allow external controller OnC...

Page 62: ...R2 Duplex Mode Half Use IR Pins IR Rx2Tx2 Onboard Serial Port 1 2 Sets the base I O port address and IRQ for the onboard serial ports A and B Selecting Auto allows the BIOS to automatically determine...

Page 63: ...ory S1 S3 Depends on OS to select S1 or S3 ACPI Suspend Type Setting Description S1 POS S1 Power On Suspend POS is a low power state In this state no system context CPU or chipset is lost and hardware...

Page 64: ...is Setting Description Delay 4 Sec System is turned off if power button is pressed for more than four seconds Instant Off Power button functions as a normal power on off button Run VGABIOS if S3 Resum...

Page 65: ...ey Menu Level When Select Password Please press ENTER key to change Password max 8 numbers PS2KB Wakeup Select When selecting Password press Page Up or Page Down to change password The maximum number...

Page 66: ...ables the power management unit to monitor hard disk activities Settings Off On PCI Master Event Enables the power management unit to monitor PCI master activities Settings Off On PowerOn by PCI Card...

Page 67: ...Sets a scheduled time and or date to automatically power on the system Settings Disabled Enabled Date of Month The field specifies the date for RTC Alarm Resume Resume Time hh mm ss The field specifie...

Page 68: ...ed Disabled IRQ12 PS 2 Mouse Enabled IRQ13 Coprocessor Enabled IRQ14 Hard Disk Enabled IRQ15 Reserved Disabled Primary INTR Restores the system to an active state if IRQ activity is detected from any...

Page 69: ...oenix AwardBIOS CMOS Setup Utility Note This section covers some very technical items and it is strongly recommended to leave the default settings as is unless you are an experienced user PNP OS Insta...

Page 70: ...all the Plug and Play compatible devices Setting Description Auto ESCD BIOS will automatically assign IRQ DMA and memory base address fields Manual Unlocks IRQ Resources for manual configuration Assi...

Page 71: ...d to PCI Device IRQ 9 assigned to PCI Device IRQ 10 assigned to PCI Device IRQ 11 assigned to PCI Device IRQ 12 assigned to PCI Device IRQ 14 assigned to PCI Device IRQ 15 assigned to PCI Device IRQ 5...

Page 72: ...C Exit F1 General Help Menu Level Item Help PC Health Status Phoenix AwardBIOS CMOS Setup Utility 3 3 V 5 V 12 V VBAT V Vcore System Temp CPU Temp CPU FAN Speed System FAN Speed 5VSB V The PC Health S...

Page 73: ...to Detect PCI Clk Enabled DRAM Clock The chipset supports synchronous and asynchronous mode between host clock and DRAM clock frequency Settings 100 MHz 133 MHz 166 MHz 200MHz 266MHz 333MHz By SPD DRA...

Page 74: ...time it takes to precharge a row in the memory module before the row becomes active Longer values are safer but may not offer the best performance This field is only available when DRAM Timing is set...

Page 75: ...g equals faster command rate Settings 2T Command 1T Command Note Some memory modules may not be able to handle lower settings RDSAIT Mode Settings Manual Auto RDSAIT Selection Key in a HEX number Sett...

Page 76: ...Chapter 3 68 Settings Disabled 0 20 0 25 0 35...

Page 77: ...nced BIOS Features Frequency Voltage Control Load Optimized Defaults Set Supervisor Password Set User Password Save Exit Setup Exit Without Saving Load Fail Safe Defaults Load Fail Safe Defaults Y N P...

Page 78: ...h Status Advanced BIOS Features Frequency Voltage Control Load Optimized Defaults Set Supervisor Password Set User Password Save Exit Setup Exit Without Saving Load Optimized Defaults Y N Phoenix Awar...

Page 79: ...S Setup is run This prevents an unauthorized person from changing any part of your system configuration There are two types of passwords you can set A supervisor password and a user password When a su...

Page 80: ...when a password is enabled the BIOS can be set to request the password each time the system is booted This would prevent unauthorized use of the system See Security Option in the Advanced BIOS Feature...

Page 81: ...hipset Features Integrated Peripherals Power Management Setup PnP PCI Configurations PC Health Status Advanced BIOS Features Frequency Voltage Control Set Supervisor Password Set User Password Save Ex...

Page 82: ...ipset Features Integrated Peripherals Power Management Setup PnP PCI Configurations PC Health Status Advanced BIOS Features Frequency Voltage Control Set Supervisor Password Set User Password Save Exi...

Page 83: ...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 84: ...the driver utilities and software for enhancing the performance of the mainboard If the CD is missing from the retail box please contact the local dealer for the CD Note The driver utilities and soft...

Page 85: ...he CD should run automatically after closing the CD ROM or DVD ROM drive The driver utilities and software menu screen should then appear on the screen If the CD does not run automatically click on th...

Page 86: ...to hardware providing fast graphical access IRQ Routing Miniport Driver sets the system s PCI IRQ routing sequence and VIA INF Driver enables the VIA Power Management function VIA Graphics Driver Enh...

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