AMD Geode LX 800, User Manual

Page 1: ...NX800LX AMD Geode LX800 500MHz Nano ITX Main Board User s Manual Ver 1 00 ...

Page 2: ...n Card 17 1 5 Jumpers 18 1 5 1 Clear CMOS J3 18 1 5 2 LCD Backlight Brightness Adjustment Connector LCDPJ1 19 1 5 3 COM1 COM2 RI 5V Selection COMAJ1 COMBJ1 19 1 5 4 COM1 COM2 5V 12V Selection COMAPJ1 COMBPJ1 19 1 6 Connectors 20 1 6 1 Rear Panel Connectors 20 1 6 2 CF Power Connector CFPJ1 21 1 6 3 ATX Power Connector CN5 21 1 6 4 Power Fan Connector CN7 21 1 6 5 SM Bus Connector CN8 22 1 6 6 Seri...

Page 3: ...User s Manual NX800LX 3 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 27 ...

Page 4: ...ocal power company z If the power supply is broken do not try to fix it by yourself Contact a qualified service technician or your retailer Operation safety z Before installing the motherboard and adding devices on it carefully read all the manuals that came with the package z Before using the product make sure all cables are correctly connected and the power cables are not damaged If you detect a...

Page 5: ...OS updates driver updates and other information http www bcmimb com tw Conventions Used in This Guide To make sure that you perform certain tasks properly take note of the following symbols used throughout this manual DANGER WARNING Information to prevent injury to yourself when trying to complete a task CAUTION Information to prevent damage to the components when trying to complete a task IMPORTA...

Page 6: ...e 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 cable 9 1 x Startup Manual If any of the above items is damaged or missing please contact your retailer ...

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: ... Cache BIOS Award 4 Mb Flash BIOS System Chipset AMD Geode LX800 CS5536 I O Chipset Winbond W83627HG AW Memory 1 x 200 pin SODIMM socket supports up to 1 GB DDR 400 SDRAM SSD 1 x CompactFlash Type I II socket Watchdog Timer Reset 1 sec 255 min and 1 sec or 1 min step H W Status Monitor Monitoring CPU temperature voltage and cooling fan status Auto throttling control when CPU overheats Expansion Sl...

Page 9: ...r Line out Display Display Memory AMD LX800 integrated graphics controller supports up to 32 MB video memory Resolution CRT mode 1024 x 768 32 bpp 85 Hz TFT mode 1600 x 1200 32 bpp 100Hz VGA LCD interface AMD Geode LX800 supports 18 bit Single channel LVDS Audio Chipset AMD Geode CS5536 Audio Codec Realtek ALC655 supports 2 CH AC97 Audio Audio Interface Mic in Line in Line out Ethernet LAN1 Realte...

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: ...ct such as the power supply case before handling components to avoid damaging them due to static electricity z Hold components by the edges to avoid touching the ICs on them z Whenever you uninstall any component place it on a grounded antistatic pad or in the bag that came with the component z Before you install or remove any component ensure that the ATX power supply is switched off or the power...

Page 13: ...o do so can cause you physical injury and damage motherboard components 1 2 1 Placement Direction When installing the motherboard make sure that you place it into the chassis in the correct orientation The edge with external ports goes to the rear part of the chassis as indicated in the image below 1 2 2 Screw Holes Place four 4 screws into the holes indicated by circles to secure the motherboard ...

Page 14: ...NX800LX 14 1 3 Motherboard Layout ...

Page 15: ...r 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 54mm 19 COMBJ1 COM 2 RI 5V selection 3 x 1 header pitch 2 54mm 19 COMBPJ1 COM 2 5V 12V selection 3 x 1 header pitch 2 54mm 19 Rear Panel Connector Label Function Note Page CN1 PS 2 keyboard and mouse 6 pin Mini Din 20 VGA1 VGA port D sub 15 pin female 20 USB2...

Page 16: ...ial port 2 in RS 232 mode 5 x 2 header pitch 2 00mm 22 FPANEL1 Front panel connector 5 x 2 header pitch 2 00mm 23 IRB1 IrDA connector 5 x 1 header pitch 2 00mm 24 IDEB1 Primary IDE connector 22 x 2 header pitch 2 00mm 24 J1 AC97 line in connector 5 x 1 header pitch 2 00mm 25 J2 GPIO connector 6 x 2 header pitch 2 00mm 25 LCDB1 LCD inverter connector 5 x 1 header pitch 2 00mm 26 LVDS1 LVDS connecto...

Page 17: ...ry hardware settings for the card 2 Remove the system unit cover if your motherboard is already installed in a chassis 3 Remove the bracket opposite the slot that you intend to use Keep the screw for later use 4 Align the card connector with the slot and press firmly until the card is completely seated on the slot 5 Secure the card to the chassis with the screw you removed earlier 6 Replace the sy...

Page 18: ...ase the RTC RAM 1 Turn OFF the computer and unplug the power cord 2 Remove the onboard battery 3 Move the jumper cap from pins 1 2 default to pins 2 3 Keep the cap on pins 2 3 for about 5 10 seconds then move the cap back to pins 1 2 4 Re install the battery 5 Plug the power cord and turn ON the computer 6 Hold down the Del key during the boot process and enter BIOS setup to re enter data Except w...

Page 19: ...l NX800LX 19 1 5 2 LCD Backlight Brightness Adjustment Connector LCDPJ1 5V Default 3 3V 1 5 3 COM1 COM2 RI 5V Selection COMAJ1 COMBJ1 Ring Default 5V 1 5 4 COM1 COM2 5V 12V Selection COMAPJ1 COMBPJ1 5V Default 12V ...

Page 20: ...SB 2 0 devices LAN RJ 45 connector This port allows Gigabit connection to a Local Area Network LAN through a network hub Refer to the table below for the LAN port LED indications The optional 10 100 Mbps LAN controller allows 10 100 Mbps connection to a Local Area Network LAN through a network hub 4 CN9 ACT LINK LED SPEED LED Status Description Status Description OFF Y Linked OFF 10Mbps connection...

Page 21: ...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 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: ...ector is for the system power button Pressing the power button turns the system on or puts the system in sleep or soft off mode depending on the BIOS settings Pressing the power switch for more than four seconds while the system is ON turns the system OFF z Hard Disk Drive Activity LED 2 pin HDLED This 2 pin connector is for the HDD Activity LED Connect the HDD Activity LED cable to this connector...

Page 24: ...onnector IRB1 z Signal Description Signal Signal Description IRRX Infrared Receiver Input IRTX Infrared Transmitter Output 1 6 10 Primary 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: ...ible 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 7KΩ 1 16W TFTxBLKEN LCD backlight ON OFF control signal 1 6 14 LVDS Connector LVDS1 ...

Page 27: ... 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 ...