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AMD NX800LX manual

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Table of contents for the manual

  • Page 1

    NX800LX AMD ® Geode LX800 500MHz Nano ITX Main Board User’s Manual Ver. 1.00[...]

  • Page 2

    NX800LX 2 Contents Safety Information .......................................................................................................... 4 Technical Support ............................................................................................................ 5 Conventions Used in This Guide ...........................................[...]

  • Page 3

    User’s Manual NX800LX 3 Contents 1.6.13 LCD Inverter Conn ector (LCDB1) .............................................................................................. 26 1.6.14 LVDS Connector (LVDS1) ......................................................................................................... 26 1.6.15 TTL Connector (TTL1) ...........[...]

  • Page 4

    NX800LX 4 Safety Information Electrical safety z To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. z 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 a[...]

  • Page 5

    User’s Manual NX800LX 5 Technical Support If a problem arises with your system and no solution can be obtain ed from the user’s manual, please contact your place of purchase or local distributor. Alte rnatively, please try the following help resources for further gui dance. Visit the BCM TW website for FAQ, technical guide, BIOS updates, driver[...]

  • Page 6

    NX800LX 6 Packing List Before you begin installing your single board, please make sure that the following materials have been shipped: 9 1 x AMD LX800 Nano ITX Main board 9 1 x CD-ROM contains the followings: － User’s manual (this manual in PDF file) － Drivers 9 2 x Serial port cable 9 1 x 6 to 20 pin power cable 9 1 x Y cable 9 1 x IDE HDD c[...]

  • Page 7

    User’s Manual NX800LX 7 Revision History Revision Revision History Date V 1.0 First release for PCB 1.00 September 04, 2007[...]

  • Page 8

    NX800LX 8 Specifications Summary 1 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 Features 7 2 COM, 4 USB 2.0 System CPU Onboard AMD Geode LX8 00 @ [...]

  • Page 9

    User’s Manual NX800LX 9 Specifications Summary I/O Internal I/O 1 x 6Pin ATX compatible power connect or 1x LVDS 20Pin Panel Connector 1x TTL 40Pin Panel Connector 1x Front Pa nel Connecto r 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 Back Pa[...]

  • Page 10

    NX800LX 10 Block Diagram[...]

  • Page 11

    User’s Manual NX800LX 11 This chapter describes the motherboard features and the new technologies it supports. 1 Product introduction 1 Product introduction[...]

  • Page 12

    NX800LX 12 Production Introduction 1.1 Before you Proceed Take note of the following pr ecautions before you install motherboard components or change any motherboard settings. z Unplug the power cord from the wall socket before touching any component. z Use a grounded wrist strap or to uch a safely grounded object or a metal object, such as the pow[...]

  • Page 13

    User’s Manual NX800LX 13 1.2 Motherboard Overview Before you install the motherboar d, study the configuration of your chassis to ensure that the motherboard fits into it. Refer to the chassis documentat ion before installing the motherboard. Make sure to unplug the power cord before installing or removing the motherboard. Failure to do so can ca[...]

  • Page 14

    NX800LX 14 1.3 Motherboard Layout[...]

  • Page 15

    User’s Manual NX800LX 15 1.3.1 Layout Content List Slots Label Function Note Page CF1 CompactFlash card connector (Rear side) N/A SODIMM1 200-pin DDR SDRAM DI MM 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 head[...]

  • Page 16

    NX800LX 16 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 mo[...]

  • Page 17

    User’s Manual NX800LX 17 1.4 Expansion Slots In the future, you may need to insta ll expansion cards. The following sub ‑ sections describe the slots and the expansion cards that they support. Make sure to unplug the power co rd before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard comp[...]

  • Page 18

    NX800LX 18 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, ti me, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery power s the RAM data in CMOS, which include system setup information such as system passwords.[...]

  • Page 19

    User’s Manual NX800LX 19 1.5.2 LCD Backlight Brightness Adjustment Connector (LCDPJ1) +5V (Default) +3.3V 1.5.3 COM1/COM2 RI/+5V Se lection (COMAJ1, COMBJ1) Ring (Default) +5V 1.5.4 COM1/COM2 +5V/+12V Se lection (COMAPJ1, COMBPJ1) +5V (Default) +12V[...]

  • Page 20

    NX800LX 20 1.6 Connectors 1.6.1 Rear Panel Connectors No Label Function Description 1 CN1 PS/2 keyboard and mouse connector The standard PS/2 DIN connector is for a PS/2 keyboard and mouse 2 VGA1 VGA port This 15-pin po rt is for a VGA monitor or other VGA-compatible devices. 3 USB23 USB 2.0 connector x 2 These tw o 4-pin Universal Serial Bus (USB)[...]

  • Page 21

    User’s Manual NX800LX 21 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 orient ation. Find the proper orientation and push down firmly until the connector completely fit. 1.6.4 Power Fan Connector (CN7)[...]

  • Page 22

    NX800LX 22 1.6.5 SM Bus Connector (CN8) 1.6.6 Serial port 1 in RS-232 mode (COMB1) 1.6.7 Serial port 2 in RS-232 mode (COMB2)[...]

  • Page 23

    User’s Manual NX800LX 23 1.6.8 Front Panel Connector (FPANEL1) This connector supports several chassis-mounted functions. z System Power LED (2-pin PWRLED) This 2-pin connector is for the system pow er 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 [...]

  • Page 24

    NX800LX 24 1.6.9 IrDA Connector (IRB1) z Signal Description Signal Signal Description IRRX Infrared Receiver Input IRTX Infrared Transmitter Output 1.6.10 Primar y IDE Connector (IDEB1) z Orient the red markings (usually zigzag) on the IDE cable to Pin 1.[...]

  • Page 25

    User’s Manual NX800LX 25 1.6.11 AC97 Line-in Connector (J1) 1.6.12 GPIO Connector (J2)[...]

  • Page 26

    NX800LX 26 1.6.13 LCD Inverter Connec tor (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. z Signal Description Signal Signal Description VR Vadj=0.75V ~ 4.25V (Recommended: 4.7K Ω , [...]

  • Page 27

    User’s Manual NX800LX 27 1.6.15 TTL Connector (TTL1) 1.6.16 USB 2.0 Connector (USBB1) These connectors are for USB 2.0 ports. Co nnect 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 Mbp[...]