ENX-LX800 AMD® Geode LX800 500MHz Nano ITX Main Board User’s Manual 2nd Ed –29 August 2012
ENX-LX800 Contents Safety Information .......................................................................................................... 4 Technical Support ............................................................................................................ 5 Conventions Used in This Guide .................................................................................... 5 Packing List ........................................................................................................
User’s Manual Contents 1.6.13 LCD Inverter Connector (LCDB1) .............................................................................................. 26 1.6.14 LVDS Connector (LVDS1) ......................................................................................................... 26 1.6.15 TTL Connector (TTL1) ............................................................................................................... 27 1.6.16 USB 2.0 Connector (USBB1) ..............................
ENX-LX800 Safety Information Electrical safety To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device.
User’s Manual Technical Support If a problem arises with your system and no solution can be obtained from the user’s manual, please contact your place of purchase or local distributor. Alternatively, please try the following help resources for further guidance. Visit the Avalue website for FAQ, technical guide, BIOS updates, driver updates, and other information: http://www.avalue.com.
ENX-LX800 Packing List Before you begin installing your single board, please make sure that the following materials have been shipped: 1 x AMD LX800 Nano ITX Main board 1 x CD-ROM contains the followings: － User’s manual (this manual in PDF file) － Drivers 2 x Serial port cable 1 x 6 to 20 pin power cable 1 x Y cable 1 x IDE HDD cable 1 x Startup Manual If any of the above items is damaged or missing, please contact your retailer.
User’s Manual Revision History Revision Revision History V 1.0 First release for PCB 1.
ENX-LX800 Specifications Summary 1 Features Onboard AMD Geode LX800 500 MHz @ 0.9 W with 128K L2 Cache & 64K L1 Cache CPU 2 AMD Geode CS5536 Companion Chip 3 One 200-pin SODIMM up to 1GB DDR 400 SDRAM 4 24-bit TTL, 18-bit LVDS 5 Realtek RTL8139DL 10/100Mbps LAN 6 1 Mini PCI, Type I/II CF 7 2 COM, 4 USB 2.0 System CPU Onboard AMD Geode LX800 @ 0.
User’s Manual Specifications Summary I/O 1 x 6Pin ATX compatible power connector 1x LVDS 20Pin Panel Connector 1x TTL 40Pin Panel Connector 1x Front Panel Connector Internal I/O 1 x 44Pin IDE Connector 2 x COM Port Connector 1 x LCD Invert Power Connector 1 x 3Pin FAN Connector 1 x ext. USB Connector 1 x ext Line-in Connector 1 x PS/2 Keyboard+Mouse (through Y-Cable) 1 x VGA port Back Panel 2 x USB 2.0/1.
ENX-LX800 Block Diagram 10
User’s Manual This chapter describes the motherboard features and the new technologies it supports.
ENX-LX800 Production Introduction 1.1 Before you Proceed Take note of the following precautions before you install motherboard components or change any motherboard settings. 12 Unplug the power cord from the wall socket before touching any component.
User’s Manual 1.2 Motherboard Overview Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it. Refer to the chassis documentation before installing the motherboard. Make sure to unplug the power cord before installing or removing the motherboard. Failure to do so can cause you physical injury and damage motherboard components. 1.2.
ENX-LX800 1.
User’s Manual 1.3.1 Layout Content List Slots Label Function Note Page CF1 CompactFlash card connector (Rear side) N/A SODIMM1 200-pin DDR SDRAM DIMM socket (Rear side) N/A PCI1 Mini PCI slot N/A Jumpers Label Function Note Page J3 Clear CMOS 3 x 1 header, pitch 2.00mm 18 LCDPJ1 LCD Backlight Brightness Adjustment Connector 3 x 1 header, pitch 2.54mm 19 COMAJ1 COM 1 RI/+5V selection 3 x 1 header, pitch 2.54mm 19 COMAPJ1 COM 1 +5V/+12V selection 3 x 1 header, pitch 2.
ENX-LX800 Internal Connector Label Function Note Page CFPJ1 CF power connector 3 x 2 header, pitch 2.54mm 21 CN5 ATX power connector 3 x 2 header 21 CN7 Power fan connector 3 x 1 wafer, pitch 2.54mm 21 CN8 SM Bus connector 4 x 1 wafer, pitch 2.00mm 22 COMB1 Serial port 1 in RS-232 mode 5 x 2 header, pitch 2.00mm 22 COMB2 Serial port 2 in RS-232 mode 5 x 2 header, pitch 2.00mm 22 FPANEL1 Front panel connector 5 x 2 header, pitch 2.
User’s Manual 1.4 Expansion Slots In the future, you may need to install expansion cards. The following sub‑sections describe the slots and the expansion cards that they support. Make sure to unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components. 1.4.1 Installing an Expansion Card 1. Before installing the expansion card, read the documentation that came with it and make the necessary hardware settings for the card.
ENX-LX800 1.5 Jumpers 1.5.1 Clear CMOS (J3) This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which include system setup information such as system passwords. To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 2. Remove the onboard battery. 3.
User’s Manual 1.5.2 LCD Backlight Brightness Adjustment Connector (LCDPJ1) +5V +3.3V (Default) 1.5.3 COM1/COM2 RI/+5V Selection (COMAJ1, COMBJ1) Ring (Default) +5V 1.5.
ENX-LX800 1.6 Connectors 1.6.1 No 1 Rear Panel Connectors Label 2 VGA1 Function PS/2 keyboard and mouse connector VGA port 3 USB23 USB 2.0 connector x 2 4 CN9 LAN (RJ-45) connector CN1 Description The standard PS/2 DIN connector is for a PS/2 keyboard and mouse This 15-pin port is for a VGA monitor or other VGA-compatible devices. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices.
User’s Manual 1.6.2 CF Power Connector (CFPJ1) 1.6.3 ATX Power Connector (CN5) This connector is for ATX power supply plugs. The power supply plugs are designed to fit this connector in only one orientation. Find the proper orientation and push down firmly until the connector completely fit. 1.6.
ENX-LX800 1.6.5 SM Bus Connector (CN8) 1.6.6 Serial port 1 in RS-232 mode (COMB1) 1.6.
User’s Manual 1.6.8 Front Panel Connector (FPANEL1) This connector supports several chassis-mounted functions. System Power LED (2-pin PWRLED) This 2-pin connector is for the system power LED. Connect the chassis power LED cable to this connector. The system power LED lights up when you turn on the system power, and blinks when the system is in sleep mode. ATX Power Button/Soft-off Button (2-pin PWRSW) This connector is for the system power button.
ENX-LX800 1.6.9 IrDA Connector (IRB1) Signal Description Signal 1.6.10 IRRX Infrared Receiver Input IRTX Infrared Transmitter Output Primary IDE Connector (IDEB1) 24 Signal Description Orient the red markings (usually zigzag) on the IDE cable to Pin 1.
User’s Manual 1.6.11 AC97 Line-in Connector (J1) 1.6.
ENX-LX800 1.6.13 LCD Inverter Connector (LCDB1) For inverters with adjustable Backlight function, it is possible to control the LCD brightness through the VR signal controlled by LCDPJ1. Please see the LCDPJ1 section for detailed circuitry information. Signal Description Signal VR TFTxBLKEN 1.6.14 26 LVDS Connector (LVDS1) Signal Description Vadj=0.75V ~ 4.25V (Recommended: 4.
User’s Manual 1.6.15 TTL Connector (TTL1) 1.6.16 USB 2.0 Connector (USBB1) These connectors are for USB 2.0 ports. Connect the USB/GAME module cable to any of these connectors, then install the module to a slot opening at the back of the system chassis. These USB connectors comply with USB 2.0 specification that supports up to 480 Mbps connection speed. Never connect a 1394 cable to the USB connectors. Doing so will damage the motherboard! The USB module is purchased separately.
