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Intel DK440LX Product Manual

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DK440LX
Motherboard
Product Guide
Order Number: 685890-001

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Summary of Contents for Intel DK440LX

  • Page 1 DK440LX Motherboard Product Guide Order Number: 685890-001...

  • Page 2: Revision History

    Intel products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. Intel products are not intended for use in medical , life saving, or life sustaining applications.

  • Page 3: Table Of Contents

    Contents 1 Motherboard Features Microprocessor........................7 Microprocessor Upgrades .....................7 Main Memory ........................10 Second-level Cache Memory ....................10 PCI Enhanced IDE Interface....................10 LS-120 Diskette Support.....................10 Input/Output (I/O) Controller....................10 Real-Time Clock........................11 Universal Serial Bus Support ....................11 Accelerated Graphics Port (A.G.P.) Support...............12 SCSI Support ........................12 Basic Input/Output System (BIOS)..................12 BIOS Upgrades ......................12 PCI Auto Configuration....................12...
  • Page 4 Contents How to Replace the Battery ....................31 How to Clear Passwords.....................33 3 Using the Setup Program Setup Program Modes ......................35 Setup Menus........................36 Setup Program Navigation ....................36 Maintenance Menu ......................37 Main Menu ..........................37 Floppy Options Submenu...................38 IDE Device Configuration Submenus .................39 Advanced Menu ........................40 Resource Configuration Submenu ................41 Peripheral Configuration Submenu ................42...
  • Page 5 DK440LX Motherboard Product Guide 6 Technical Reference Motherboard Connectors ....................61 Front Panel Connectors ......................66 Motherboard Resources......................68 Memory Map ......................68 DMA Channels ......................68 I/O Map ........................69 PCI Configuration Space Map..................71 Interrupts ........................71 A Error Messages BIOS Beep Codes.......................73 BIOS Error Messages ......................73...
  • Page 6 Contents Tables Jumper Settings for Setup Program Modes ...............35 Setup Menu Bar ......................36 Setup Function Keys ....................36 Maintenance Menu.....................37 Main Menu .........................37 Floppy Options Submenu...................38 IDE Device Configuration Submenus .................39 Advanced Menu ......................40 Resource Configuration Submenu ................41 Peripheral Configuration Submenu ................42 Keyboard Features Submenu ..................44 Video Configuration Submenu ...................44 DMI Event Logging Submenu ..................45...

  • Page 7: Motherboard Features

    1 Motherboard Features This chapter describes the features of the DK440LX motherboard. The remaining chapters explain how to: • Add or upgrade components like processors or memory • † Use the BIOS Setup program and the SCSISelect utility to modify the motherboard’s configuration •...

  • Page 8: Motherboard Layout

    Motherboard Features OM06320 Figure 1. Motherboard Layout Onboard serial port 2 connector (optional) Ultra-wide (16-bit) SCSI connectors Rear chassis fan connector Narrow (8-bit) SCSI connector ATAPI CD audio connector (optional) Sleep LED connector ATAPI-style telephony connector (optional) Front panel I/O connectors ATAPI-style Line In connector (optional) HDD LED input connector (4-pin) 2 mm CD audio connector (optional)

  • Page 9: Back Panel Connectors

    DK440LX Motherboard Product Guide OM06576 Figure 2. Back Panel Connectors † PS/2 connector (mouse or keyboard) Parallel port connector Audio Line In jack (optional) PS/2 connector (mouse or keyboard) USB connectors Serial port A connector Serial port B connector LAN connector (optional)

  • Page 10: Main Memory

    Motherboard Features Main Memory The motherboard has four sockets for installing dual in-line memory modules (DIMMs). The motherboard supports both extended data out (EDO) DRAM and synchronous DRAM (SDRAM). The motherboard can operate with a minimum of 16 megabytes (MB) of memory. Maximum memory size is 512 MB with SDRAM and 1 GB with EDO DRAM.

  • Page 11: Input/Output (I/O) Controller

    DK440LX Motherboard Product Guide Input/Output (I/O) Controller The I/O controller handles the exchange of information between the processor and external devices like the mouse and keyboard or a printer that are connected to the computer. The controller features the following: •...

  • Page 12: Accelerated Graphics Port (A.g.p.) Support

    Motherboard Features Accelerated Graphics Port (A.G.P.) Support The Accelerated Graphics Port (A.G.P.) is a high-performance interconnect for graphics-intensive applications, such as 3D graphics. A.G.P. is independent of the PCI bus and is intended for exclusive use with graphics displays. A.G.P. provides these features: •...

  • Page 13: Ide Auto Configuration

    DK440LX Motherboard Product Guide IDE Auto Configuration If you install an IDE device (e.g., a hard drive) in your computer, the IDE auto-configuration utility in the BIOS automatically detects and configures the device for your computer. You do not need to run the BIOS Setup program after installing an IDE device.

  • Page 14: Hardware Monitor

    Integrated temperature and voltage monitoring • Fan-speed sensors for up to five fans • ® Support for the Intel LANDesk Client Manager software • Connector for a chassis security feature Wake on LAN Connector A two-pin connector is used to implement the Wake on LAN feature when you install an add-in network interface card (NIC) to the computer.

  • Page 15: Optional Features

    DK440LX Motherboard Product Guide Optional Features This section describes features that are optional on the DK440LX motherboard. Networking † The optional onboard Ethernet networking subsystem features the EtherExpress ™ PRO/100WfM TX PCI LAN controller. The networking subsystem supports 10Base-T and 100Base-TX protocols.
  • Page 16 Motherboard Features...

  • Page 17: Installing And Replacing Motherboard Components

    2 Installing and Replacing Motherboard Components This chapter describes how to: • Install and remove the motherboard • Upgrade the processor(s) • Install and remove memory • Replace the battery • Use the configuration jumper to set processor speed and clear passwords Before You Begin CAUTION Before you install this motherboard in a chassis, see Appendix B for regulatory requirements and...

  • Page 18: How To Install And Remove The Motherboard

    Installing and Replacing Motherboard Components How to Install and Remove the Motherboard Refer to your chassis manual for detailed instructions on installing and removing the motherboard. NOTES You will need a Phillips (#2 bit) screwdriver. Refer to Appendix B for regulatory requirements and installation instructions and precautions. WARNING This procedure should be done only by qualified technical personnel.

  • Page 19: How To Install The Processor Retention Mechanism

    DK440LX Motherboard Product Guide How to Install the Processor Retention Mechanism NOTE To install the processor retention mechanism, you need a Phillips (#2 bit) manual torque screwdriver capable of a 6.0 in.-lb. ± 1.0 in.-lb. (0.678 N-m ± 0.113 N-m) setting. The screwdriver also must have a shaft longer than 2 inches.

  • Page 20: Processor Upgrades

    In a single-processor configuration, you must install a termination card in the empty application processor Slot 1 connector to ensure proper operation of the computer (see How to Install the Termination Card on page 22). A termination card is included with Intel boxed motherboards.

  • Page 21: Upgrading Dual Processors

    DK440LX Motherboard Product Guide Upgrading Dual Processors If you are upgrading both processors on the motherboard, see the following sections: 1. How to Remove a Processor 2. How to Install a Single Processor 3. How to Install a Second Processor 4.

  • Page 22: How To Install The Termination Card

    Installing and Replacing Motherboard Components How to Install the Termination Card To install the termination card (see Figure 6): 1. Observe the precautions in “Before You Begin” (see page 17). 2. Turn off the computer, disconnect the computer’s power cord, and disconnect all external peripherals.

  • Page 23: How To Remove The Termination Card

    DK440LX Motherboard Product Guide How to Remove the Termination Card To remove the termination card (see Figure 7): 1. Observe the precautions in “Before You Begin” (see page 17). 2. Turn off the computer, disconnect the computer’s power cord, and disconnect all external peripherals.

  • Page 24: How To Install A Single Processor

    How to Install a Single Processor NOTE When you buy an Intel boxed Pentium II processor to install on the motherboard, heat sink supports are included with the processor. These heat sink supports are not required on the DK440LX motherboard.

  • Page 25: How To Install A Second Processor

    SL28R, printed on the top edge of the S.E.C. For information about s-spec parameters, refer to the Pentium II processor quick reference guide at the Intel developer’s web site. 3. Remove any peripherals that block access to the application processor Slot 1 connector.

  • Page 26: Installing A Second Processor

    Installing and Replacing Motherboard Components J3F2 OM06311 Figure 9. Installing a Second Processor 4. If a termination card is installed in the application processor Slot 1 connector, remove it. See “How to Remove the Termination Card” on page 23. 5. Remove the processor from its antistatic package. 6.

  • Page 27: How To Set The Processor Speed

    DK440LX Motherboard Product Guide How to Set the Processor Speed Set the processor speed after you have installed or upgraded the processor. This procedure assumes that the computer is turned off, the cover is off, and the configuration jumper block (J7E1) has the jumper set on pins 1-2 for normal mode.

  • Page 28: How To Install Memory

    Installing and Replacing Motherboard Components 9. Turn off the computer. 10. Remove the computer cover. 11. On the jumper block (J7E1), move the jumper back to pins 1-2 to restore normal operation as shown below. J7E1 12. Replace the cover and turn on the computer. 13.

  • Page 29: Location Of Dimm Sockets

    DK440LX Motherboard Product Guide Figure 11 shows the location of the DIMM sockets. OM06326 Figure 11. Location of DIMM Sockets NOTE There may be mechanical interference with the DIMM 0 socket and the DIMM 1 socket (see Figure 11) in some combinations of ATX chassis and peripherals (such as CD-ROM drives).

  • Page 30: How To Remove Memory

    Installing and Replacing Motherboard Components OM06327 Figure 12. Installing a DIMM How to Remove Memory To remove a DIMM, follow these steps: 1. Observe the precautions in "Before You Begin" (see page 17). 2. Turn off the computer, disconnect the computer’s power cord, and disconnect all external peripherals.

  • Page 31: How To Replace The Battery

    DK440LX Motherboard Product Guide How to Replace the Battery When your computer is turned off, a lithium battery keeps the time-of-day clock and the values in CMOS RAM current. The battery should last about seven years. When the battery begins to die, it loses voltage; when the voltage drops below a certain level, the Setup program settings stored in CMOS RAM (for example, the date and time) might not be accurate.

  • Page 32: Replacing The Battery

    Installing and Replacing Motherboard Components To replace the battery, follow these steps: 1. Observe the precautions in “Before You Begin” (see page 17). 2. Turn off the computer, disconnect the computer’s power cord, and disconnect all external peripherals. 3. Remove the computer cover. 4.

  • Page 33: How To Clear Passwords

    DK440LX Motherboard Product Guide How to Clear Passwords This procedure assumes that the motherboard is installed in the computer and the configuration jumper block (J7E1) has the jumper set on pins 1-2 for normal mode. 1. Observe the precautions in “Before You Begin” (see page 17).
  • Page 34 Installing and Replacing Motherboard Components...

  • Page 35: Using The Setup Program

    3 Using the Setup Program This chapter provides an overview of the Setup program. You can use the Setup program to change the configuration boot sequence of the computer. NOTE For reference purposes, you should write down the current Setup settings. When you make changes to the settings, update this record.

  • Page 36: Setup Menus

    Using the Setup Program Setup Menus To enter the Setup program, turn the computer on and press <F2> when you see the message: Press <F2> Key if you want to run SETUP Table 2 is an overview of the menu screens in the Setup program. Table 2.

  • Page 37: Maintenance Menu

    DK440LX Motherboard Product Guide Maintenance Menu Use this menu to specify the processor speed and clear the Setup passwords. Setup only displays this menu in configure mode. Table 4. Maintenance Menu Feature Options Description • Processor Speed Specifies the processor speed in megahertz.

  • Page 38: Floppy Options Submenu

    Using the Setup Program Floppy Options Submenu Use this submenu to configure floppy drives. Table 6. Floppy Options Submenu Feature Options Description • Diskette A: Specifies the capacity and physical size Disabled • of diskette drive A. 360 KB, 5¼″ •...

  • Page 39: Ide Device Configuration Submenus

    DK440LX Motherboard Product Guide IDE Device Configuration Submenus Use this submenu to configure IDE devices, including: • Primary IDE master • Primary IDE slave • Secondary IDE master • Secondary IDE slave Table 7. IDE Device Configuration Submenus Feature Options Description •...

  • Page 40: Advanced Menu

    Using the Setup Program Advanced Menu Use this menu to set advanced features that are supported by the motherboard. Table 8. Advanced Menu Feature Options Description • Plug & Play O/S No (default) Specifies if a Plug and Play operating system is being •...

  • Page 41: Resource Configuration Submenu

    DK440LX Motherboard Product Guide Resource Configuration Submenu Use this submenu to configure the memory and interrupts. Table 9. Resource Configuration Submenu Feature Options Description • Memory Reserves specific upper C800 - CBFF Available (default) | Reserved • Reservation memory blocks for use...

  • Page 42: Peripheral Configuration Submenu

    Using the Setup Program Peripheral Configuration Submenu Use this submenu to configure the computer peripherals. Table 10. Peripheral Configuration Submenu Feature Options Description • Serial port A Configures serial port A. Disabled • Enabled Auto assigns the first free COM port, normally COM1, •...
  • Page 43 DK440LX Motherboard Product Guide Table 10. Peripheral Configuration Submenu (continued) Feature Options Description • Audio Disabled Enables or disables the onboard audio subsystem. • Enabled (default) • Hardware Disabled Enables or disables the onboard hardware monitor • Monitor device. Enabled (default) •...

  • Page 44: Keyboard Configuration Submenu

    Using the Setup Program Keyboard Configuration Submenu Use this submenu to set keyboard features. Table 11. Keyboard Features Submenu Feature Options Description • Numlock Specifies the power on state of the Numlock Auto (default) • feature on the numeric keypad of the keyboard. •...

  • Page 45: Dmi Event Logging Submenu

    DK440LX Motherboard Product Guide DMI Event Logging Submenu Use this submenu to control DMI event logging. Table 13. DMI Event Logging Submenu Feature Options Description Event log capacity No options Indicates if there is space available in the event log.

  • Page 46: Power Menu

    Using the Setup Program Power Menu Use this menu to set power management features. Table 15. Power Menu Feature Options Description • Power Management Disabled Enables or disables the BIOS power • management feature. Enabled (default) • Inactivity Timer Specifies the amount of time before the Off (default) •...

  • Page 47: Boot Menu

    DK440LX Motherboard Product Guide Boot Menu Use this menu to specify the boot features and the boot sequence. Table 16. Boot Menu Feature Options Description • Restore on Stay Off Specifies how the computer responds following a power • AC/Power Loss Last State failure.

  • Page 48: Hard Drive Submenu

    Using the Setup Program Hard Drive Submenu Use this submenu to configure the boot sequence for hard drives. Table 17. Hard Drive Submenu Options Description • Specifies the boot sequence for the hard drives attached to the computer. To Installed hard drive •...

  • Page 49: Scsi Support

    To connect external devices to the SCSI bus, you must install a SCSI Terminator card. A SCSI Terminator card is included with Intel boxed motherboards. If your motherboard did not come with a SCSI Terminator card, contact your computer supplier.

  • Page 50: Raid Port Connector

    SCSI Support RAID port Connector The onboard RAIDport connector, in conjunction with an ARO-1130CA-B Adaptec RAIDport card and the SCSI controller, provides a complete client RAID solution. The RAIDport card supports the following features for enhancing performance, data redundancy, and data availability: •...

  • Page 51: Main Screen

    DK440LX Motherboard Product Guide Main Screen Before the main screen is displayed, you must select which SCSI channel to configure, A or B. After you select the channel and press <Enter>, the main screen is displayed. Configure/View Host Adapter Settings When selected, this brings up the Configuration Menu.

  • Page 52: Boot Device Configuration

    SCSI Support Boot Device Configuration Boot Channel Specifies the SCSI channel from which the computer should boot first. The options are: • A First (default) • B First Boot SCSI ID Specifies the SCSI ID of the device from which you wish to boot. The options are ID 0–15. The default is ID 0.
  • Page 53 DK440LX Motherboard Product Guide Enable Disconnection Sets whether the motherboard allows SCSI devices to disconnect from the SCSI bus. Enabling disconnection allows the motherboard to perform other operations on the SCSI bus while the SCSI device is temporarily disconnected. If two or more SCSI devices are connected to the host adapter, select Yes.

  • Page 54: Advanced Configuration Options

    SCSI Support Advanced Configuration Options Plug and Play SCAM Support Enables or disables support for SCAM Level 1 and Level 2 SCSI devices. SCAM is a method that participating SCSI devices on a bus use to dynamically assign SCSI bus IDs. Some legacy devices cannot reside on a SCSI bus where SCAM protocols execute.
  • Page 55 DK440LX Motherboard Product Guide NOTE Several of the following fields are ignored if the Host Adapter BIOS is disabled. Support Removable Disks Under BIOS as Fixed Disks CAUTION If a removable-media SCSI device is controlled by the host adapter BIOS, do not remove the media while the drive is on or you could lose data.

  • Page 56: Using The Scsi Disk Utilities

    SCSI Support Using the SCSI Disk Utilities To enter the SCSI Disk Utilities, select the SCSI Disk Utilities option from the SCSISelect menu. When you select this option, SCSISelect scans the SCSI bus (to determine the devices installed) and displays a list of all SCSI IDs and the devices assigned to each ID. When you select a specific ID and device, a small menu appears, displaying two options: Format Disk and Verify Disk Media.

  • Page 57: Preparing For The Upgrade

    • BIOS recovery files • Intel Flash Memory Update Utility You can obtain the BIOS upgrade file through your computer supplier or from the Intel World Wide Web site: http://www.intel.com. NOTE Please review the instructions distributed with the update utility before attempting a BIOS upgrade.

  • Page 58: Creating A Bootable Floppy Disk

    BIOS A: 8. Press <Enter> 9. The floppy disk now holds the new BIOS files, the Intel Flash Update Utility, and the recovery files. Upgrading the BIOS 1. Boot the computer with the BIOS upgrade floppy disk in drive A. The flash memory update utility screen appears.

  • Page 59: Recovering The Bios

    DK440LX Motherboard Product Guide 5. When the utility asks for confirmation that you want to flash the new BIOS into memory, select . Press Continue with Programming <Enter> 6. When the utility displays the message , remove the floppy disk. Press upgrade is complete <Enter>...

  • Page 60: Changing The Bios Language

    You can use the BIOS upgrade utility to change the language the BIOS uses for messages and the Setup program. Use a bootable floppy disk containing the Intel Flash Memory Update Utility and language files (see “Upgrading the BIOS” on page 58).

  • Page 61: Technical Reference

    6 Technical Reference Motherboard Connectors Figure 14 shows the location of the motherboard connectors. J1E1 J0F2 J2E1 J1F1 J0E1 J1M1 J0A1 J1M2 J2E2 J3F2 J9A1 J10A1 J6D1 J12D1 J11B1 J12A1 J12B2 OM06328 Figure 14. Motherboard Connectors Rear chassis fan Auxiliary power Front chassis 1 fan ATAPI CD audio CPU 2 fan...

  • Page 62: Chassis Security Connector (J0A1)

    Technical Reference Table 21. Chassis Security Connector (J0A1) Signal Name Ground TAMPER_DETECT# Table 22. ATAPI CD Audio Connector (J1F1) Signal Name Left CD In CD_common CD_common Right CD In Table 23. ATAPI-Style Telephony Connector (J0E1) Signal Name MONO_IN (from external device) Ground Ground TEL_MICIN...

  • Page 63: Midi/Game Port Connector (J2E2)

    DK440LX Motherboard Product Guide Table 26. MIDI/Game Port Connector (J2E2) Signal Name +5 V (fused) +5 V (fused) JAB1 JABB1 JACX JBCX Ground MIDI-OUT Ground JBCY JACY JBB2 JAB2 MIDI-IN +5 V (fused) MIDI-PRESENT GP Table 27. Front Chassis 2 Fan Connector...

  • Page 64: Cpu Fan 1 Connector (J2E1)

    Technical Reference Table 30. CPU Fan 1 Connector (J1M1) Signal Name FAN_SEN +12 V Ground Table 31. Front Chassis 1 Fan Connector (J12A1) Signal Name FAN_SEN +12 V Ground Table 32. Hard Drive LED Input Connector (J10A1) Signal Name Ground DRV_ACT# Table 33.

  • Page 65: Auxiliary Power Supply Connector (J1M2)

    DK440LX Motherboard Product Guide Table 36. Auxiliary Power Supply Connector (J1M2) Signal Name Ground Ground Ground +3.3 V +3.3 V +5 V Table 37. Sleep LED Header (J12D1) Signal Name Ground Yellow/Green Green/Yellow...

  • Page 66: Front Panel Connectors

    Technical Reference Front Panel Connectors The motherboard has connectors for controls and indicators typically located on the front panel of the computer. Figure 15 shows the location of the front panel connectors and Table 38 shows the connectors’ pinouts. J12E1 OM06577 Figure 15.

  • Page 67: Front Panel Connectors

    DK440LX Motherboard Product Guide Table 38. Front Panel Connectors Connector Signal Name A. Speaker SPKR_HDR PIEZO_IN Ground B. Reset SW_RST Ground C. Power/Sleep LED PWR_LED (+5 V) PWR_LED (ground) D. Hard Drive LED HD_PWR (+5 V) HD Active# HD_PWR (+5 V) E.

  • Page 68: Motherboard Resources

    Technical Reference Motherboard Resources Memory Map Table 39. Memory Map Address Range (decimal) Address Range (hex) Size Description 1024 K - 1048576 K 100000 - 3FFFFFFF 1023 MB Extended memory (EDO memory) 1024 K - 524288 K 100000 - 1FFFFFFF 511 MB Extended memory (SDRAM) 928 K - 1024 K...

  • Page 69: I/O Map

    DK440LX Motherboard Product Guide I/O Map Table 41. I/O Map Address (hex) Size Description 0000 - 000F 16 bytes PIIX4 - DMA 1 0020 - 0021 2 bytes PIIX4 - interrupt controller 1 002E - 002F 2 bytes Super I/O controller configuration registers...
  • Page 70 Technical Reference I/O Map (continued) Table 41. Address (hex) Size Description 0378 - 037F 8 bytes LPT1 0388 - 038D 6 bytes AdLib (FM synthesizer) † 03B4 - 03B5 2 bytes Video (VGA 03BA 1 byte Video (VGA) 03BC - 03BF 4 bytes LPT3 03C0 - 03CA...

  • Page 71: Pci Configuration Space Map

    Number (hex) Description Intel 82443LX (PAC) Intel 82371AB (PAC ) A.G.P. bus Intel 82371AB (PIIX4 ) PCI/ISA bridge Intel 82371AB (PIIX4 ) IDE bus master Intel 82371AB (PIIX4 ) USB Intel 82371AB (PIIX4 ) power management Ethernet SCSI PCI expansion slot 1 (J1D2)
  • Page 72 Technical Reference...

  • Page 73: A Error Messages

    A Error Messages BIOS Beep Codes One long beep followed by several short beeps indicates a video problem. Table 44. Beep Codes Beeps 80h Code Description One short beep before boot Search for option ROMs 1-2-2-3 BIOS ROM checksum 1-3-1-1 Test DRAM refresh 1-3-1-3 Test keyboard controller...
  • Page 74 Error Messages Table 45. BIOS Error Messages (continued) Error Message Explanation Invalid NVRAM media type Problem with NVRAM (CMOS) access. Keyboard controller error The keyboard controller failed test. Try replacing the keyboard. Keyboard error Keyboard not working. Keyboard error nn BIOS discovered a stuck key and displays the scan code nn for the stuck key.

  • Page 75: B Regulatory And Integration Information

    B Regulatory and Integration Information This appendix contains: • Safety standards, electromagnetic compatibility regulations, and product certification markings for this motherboard • Instructions and precautions for integrators who are installing this motherboard in a chassis Regulatory Requirements This printed circuit assembly meets the following safety and electromagnetic compatibility (EMC) regulations when correctly installed in a compatible host computer.

  • Page 76: Electromagnetic Compatibility (Emc) Regulations

    Regulatory and Integration Information Electromagnetic Compatibility (EMC) Regulations CFR 47, Parts 2 and 15 Title 47, Code of Federal Regulations; General Rules and Regulations, Radio Frequency Devices. Product compliance is verified using limits from CSIPR 22 (frequencies to 1 GHz) and FCC Rules, Section 15.109(a) (frequencies above 1 GHz) and test criteria as defined in ANSI C63.4 and FCC Rules, Section 15.32(a).

  • Page 77: Installation Precautions

    DK440LX Motherboard Product Guide Installation Precautions When you install and test the motherboard, observe all warnings and cautions in the installation instructions. To avoid injury, be careful of: • Sharp pins on connectors • Sharp pins on printed circuit assemblies •...

  • Page 78: Ensure Host Computer And Accessory Module Certifications

    Appropriate protection is provided by a maximum 8-Amp current limiting circuit or a maximum 5- Amp fuse or positive temperature coefficient (PTC) resistor. All Intel motherboards now have PTCs on all external ports that provide DC power externally.

  • Page 79: Place Battery Marking On The Computer

    DK440LX Motherboard Product Guide Place Battery Marking on the Computer There is insufficient space on this motherboard to provide instructions for replacing and disposing of the battery. The following warning must be placed permanently and legibly on the host computer as near as possible to the battery.
  • Page 80 Regulatory and Integration Information...

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