VIA Technologies EPIA-PN User Manual

user manual EPIA-P820 Pico-ITX Mainboard Revision 1.07 107-06212012-1150

X Parallel Channel Enable ...63 ISA Master Support...

XI

1 1 Product Overview

2 The VIA EPIA-P820 is an ultra-compact and highly integrated Pico-ITX mainboard and the smallest stand-alone form-factor available today. Thro

3 MAINBOARD SPECIFICATIONS CPU VIA Nano 1.2 GHz NanoBGA2 processor • 800 MHz Front Side Bus Chipset VIA VX855 All-in-One System Processor Graphics

4 EPIA-P820 LAYOUT Top Side SymbolSymbolSymbolSymbol DescriptionDescriptionDescriptionDescription SymbolSymbolSymbolSymbol Descript

5 Bottom Side SymbolSymbolSymbolSymbol DescriptionDescriptionDescriptionDescription SymbolSymbolSymbolSymbol Description

6 P820-A I/O MODULE LAYOUT The VIA EPIA-P820 Pico-ITX mainboard is bundled with an I/O board (P820-A) to support connections to LAN, VGA and USB. Fr

7 DEVELOPMENT KIT ACCESSORIES DC-In Cable The DC-In power cable provides a means to connect to the power brick. Power Brick The power brick provides

8

II Copyright and Trademarks Copyright © 2010-2012 VIA Technologies Incorporated. All rights reserved. No part of this document may be reproduced, t

9 2 Onboard Connectors, Slots and Pin Headers This chapter provides you with information about hardware installation procedures. It is r

10 TOP SIDE CONNECTORS VIA Nano 1.2 GHz processor with Heatsink The VIA EPIA-P820 Pico-ITX mainboard is packaged with a standard VIA Nano 1.

11 DC-In Power connector: PWR1 EPIA-P820 has an onboard DC-In 2-pin power connector to connect the DC-In power cable. Pin Signal 1 DC In (+12V) 2

12 Serial ATA connector: SATA1 The current SATA interface allows a data transfer rate of up to 300 MB/s — approximately 225% faster than Ultra DMA p

13 IDE pin header: IDE1 The mainboard has an Ultra DMA 133/100 controller. You can connect up to two IDE devices in any combination. Pin Signal Pi

14 Ethernet LAN pin header: CN3 The Ethernet LAN pin header is for connecting to the P820-A I/O module. Pin Signal Pin Signal 1 A3V3

15 VGA and USB pin header: VGA_USB1 The VGA and USB pin header is for connecting to the P820-A I/O module. Pin Signal Pin Signal 1

16 Front Audio pin header: CN1 This pin header allows you to connect a front audio to the mainboard. Pin Signal Pin Signal 1 LINE IN_R

17 USB pin header: CN2 This 20-pin USB pin header allows you to connect up to four USB2.0 ports. Pin Signal Pin Signal 1 GND 2 GND

18 Front Panel and PS/2 KBMS pin header: CN4 This single pin header allows you to connect the power switch, reset switch, power LED, HDD LED, case s

III Regulatory Compliance FCC-A Radio Frequency Interference Statement This equipment has been tested and found to comply with the limits for a clas

19 LPC, SMBus and Digital I/O pin header: CN5 This single pin header allows the connection of LPC, SMBus devices and the Digital Input and Output.

20 UART port 2: J1 UART offers TTL level serial signal for the user to easily convert to support RS232/RS422/RS485. (Pin

21 BOTTOM SIDE CONNECTOR UART port 1: J2 UART offers TTL level serial signal for the user to easily convert to support RS232/RS422/RS485.

22 LVDS Panel connector: LVDS1 The single-channel LVDS connector allows you to connect the panel’s LVDS cable directly to support LVDS panel.

23 External Battery: BAT1 The mainboard comes with external CMOS battery connector. This 2-pin connector used to connect the external cable battery

24 Memory Module Installation Memory Slot: SODIMM1 The VIA EPIA-P820 Pico-ITX mainboard has one 200-SODIMM slot for DDR2 667/533 SDRAM memory module

25 Installing the memory Step 1Step 1Step 1Step 1 Locate the SODIMM slot in the mainboard and align the notch on the SODIMM with the memory

26 PIN HEADER AND CONNECTOR VENDOR LISTS ItemsItemsItemsItems FunctionFunctionFunctionFunction PinPinPinPin PitchPitchPitchPitch Ven

27 3 Onboard Jumpers

28 Clear CMOS jumper: JM1 The onboard CMOS RAM stores system configuration data and has an onboard battery power supply. To reset the CMOS settings,

IV Safety Precautions Do’s o Always read the safety instructions carefully. o Keep this User's Manual for future reference. o All cauti

29 LCD Panel Power Selector: JM2 This jumper determines the input voltage for the LCD connector. Setting 1 2 3 +5V ON ON OFF +3.3V (default)

30

31 4 P820-A I/O Module Installation

32 P820-A INSTALLATION PROCEDURE Step 1Step 1Step 1Step 1 Align and mount the P820-A board. Step 2Step 2Step 2Step 2 Align the CON1 (VGA &

33 Step 3Step 3Step 3Step 3 Then gently press down until the pins on the EPIA-P820 mainboard have been fully inserted into the CON1 and CON2 conn

34

35 5 BIOS Setup This chapter gives a detailed explanation of the BIOS setup functions.

36 ENTERING THE BIOS SETUP MENU Power on the computer and press <DeleteDeleteDeleteDelete> during the beginning of the boot sequence to enter

37 GETTING HELP The BIOS setup program provides a “General HelpGeneral HelpGeneral HelpGeneral Help” screen. You can display this screen from any m

38 MAIN MENU AMIBIOS BIOS version number and related information. Processor CPU information. System Memory Memory size. System Time Use the key “+”

V Box Contents  1 x EPIA-P820 Pico-ITX mainboard  1 x P820-A I/O module board  1 x SATA cable  1 x SATA power cable  1 x DC-In cable

39 ADVANCED SETTINGS CPU Configuration IDE Configuration ACPI Configuration APM Configuration Spread Spectrum Configuration USB Configuration

40 CPU CONFIGURATION CMPXCHG8B instruction support Settings: [Enabled, Disabled] Nano CPU Thermal Monitor Adjust Settings: [Disabled, Thermal Monit

41 IDE CONFIGURATION Parallel ATA IDE Controller Settings: [Disabled, Primary] Hard Disk Write Protect Settings: [Disabled, Enabled] IDE Detect Tim

42 IDE DRIVES Primary IDE Master Primary IDE Slave (SATA Device) Type Settings: [Not Installed, Auto, CD/DVD, ARMD] LBA/Large Mode Settings: [Dis

43 Block (Multi-Sector Transfer) Settings: [Disabled, Auto] PIO Mode Settings: [Auto, 0, 1, 2, 3, 4] DMA Mode Settings: [Auto] S.M.A.R.T. Self Monit

44 ACPI SETTINGS General ACPI Configuration This menu contains ACPI (Advanced Configuration and Power Management Interface) options. Advanced ACPI

45 GENERAL ACPI CONFIGURATION Suspend Mode Select the ACPI state used for system suspend. Settings Description S1(POS) S1/Power On Suspend (POS)

46 ADVANCED ACPI CONFIGURATION ACPI Version Features To enable RSDP pointers to 64-bit Fixed System Description Tables. Settings: [ACPI v1.0, ACPI

47 CHIPSET ACPI CONFIGURATION USB Device Wakeup Function Settings: [Disabled, Enabled]

48 APM CONFIGURATION Power Management / APM Settings: [Disabled, Enabled] Power Button Mode Settings: [On/Off, Standby, Suspend] Suspend Power Savi

VI TABLE OF CONTENTS 1 Product Overview... 1 Key Compon

49 System Thermal Settings: [Disabled, Enabled] Standby Time Out Settings: [Disabled, 1/2/4/8/10/20/30/40/50/60 minutes] Suspend Time Out Settings:

50 Resume on Ring Settings: [Disabled, Enabled] Resume on PME# Settings: [Disabled, Enabled] Resume On PS/2 KBC Settings: [Disabled, S3, S3/S4/S5] W

51 SPREAD SPECTRUM CONFIGURATION Spread Spectrum Configuration Settings: [Disabled, 0.1%, 0.2%, 0.3%, 0.4%, 0.5%, 0.6%, 0.7%, 0.8%, 0.9%]

52 USB CONFIGURATION USB 1.1 Ports Configuration To enable USB 1.1 host controllers. Settings: [Disabled, USB 2 ports, USB 4 ports, USB 6 ports] US

53 ADVANCED PCI/PNP SETTINGS Note: This section covers some very technical items and it is strongly recommended to leave the default settings as i

54 PCI IDE BusMaster Settings: [Disabled, Enabled] Off Board PCI/ISA IDE Card Settings: [Auto, PCI Slot1, PCI Slot2, PCI Slot3, PCI Slot4, PCI Slot5

55 BOOT SETTINGS Boot Settings Configuration Configuration settings during system boot. Boot Device Priority Specifies the boot device priority seq

56 BOOT SETTINGS CONFIGURATION Quick Boot Settings: [Disabled, Enabled] Display Logo Settings: [Disabled, Enabled] AddOn ROM Display Mode Settings:

57 Interrupt 19 Capture Settings: [Disabled, Enabled]

58 BOOT DEVICE PRIORITY 1st Boot Device To specifies the boot sequence from the available devices. The available boot devices are detected dynamic

VII Pin Header and Connector Vendor Lists...26 3 Onboard Jumpers ...

59 SECURITY SETTINGS Change Supervisor Password This option is for setting a password for entering BIOS Setup. When a password has been set, a pas

60 ADVANCED CHIPSET SETTINGS Caution: The Advanced Chipset Features menu is used for optimizing the chipset functions. Do not change these setti

61 NORTH BRIDGE VIA VX855 CONFIGURATION Software Reset E2 Issue Settings: [Patch, Escape Patch] Change DCLK using RDCKM Settings: [Program, Escape

62 ONCHIP VGA CONFIGURATION VGA Frame Buffer Size Settings: [64MB, 128MB, 256MB] CPU Direct Access Frame Buffer Settings: [Disabled, Enabled] Selec

63 SOUTH BRIDGE VIA VX855 CONFIGURATION Parallel Channel Enable Settings: [Enabled, Disabled] ISA Master Support Settings: [Support, Not Support] H

64 PCI Delay Transaction Settings: [Disabled, Enabled] WATCH-DOG Settings: [Disabled, Enabled]

65 EXIT OPTIONS Save Changes and Exit Exit system setup after saving the changes, or press “F10”. Discard Changes and Exit Exit system setup withou

66

67 6 Driver Installation .

68 MICROSOFT DRIVER SUPPORT The VIA EPIA-P820 mainboard is compatible with Microsoft operating systems. The latest Windows drivers can be downloaded

VIII Advanced ACPI Configuration.....44 Chipset ACPI Configuration ...

IX Plug & Play O/S.......................53 PCI Latency Timer....