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6KB
82440 LX PCI Mainboard
User’s Guide &
Technical Reference
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® ™ About This Guide This UserÕs Guide is for assisting system manufacturers and end users in setting up and installing the mainboard. Information in this guide has been carefully checked for reliability; however, no guarantee is given as to the correctness of the contents. The information in this document is subject to change without notice. Copyright Notice Copyright 1997, Soyo Computer Inc. All rights reserved. This manual is copyrighted by Soyo Computer Inc. You may not reproduce, transmit,
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iii Table of Contents Chapter 1: Introduction 1 .................................................. Key Features 1 ............................................................................... Unpacking the Mainboard 2 ........................................................... Electrostatic Discharge Precautions 2 ............................................ Mainboard Layout w/ Default Settings 3 ....................................... Chapter 2: Hardware Setup 5 ............................
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iv Chapter 3: BIOS Setup 19 .................................................. Standard CMOS Setup 20 .............................................................. BIOS Features Setup 21 ................................................................. Chipset Features Setup 23 .............................................................. Power Management Setup 26 ........................................................ PNP/PCI Configuration Setup 28 ..........................................
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1 Introduction The 82440 LX PCI mainboard is a high-performance ATX architecture system board that supports 686 (PII) family CPUs. This mainboard is fully compatible with industry standards, and adds many technical enhancements. Key Features ¥ Processor supports: Ñ 686 (PII) CPU up to 66 MHz host bus frequency (233 ~ 333 MHz) Ñ auto detection of CPU voltage Ñ Slot 1 support ¥ DRAM controller: Ñ supports 4 strips of 168-pin EDO /SDRM Unbuffered DIMM Ñ supports auto detection of memory type Ñ sup
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2 Introduction Unpacking the Mainboard The mainboard package contains: ¥ The 82440LX Mainboard ¥ This User's Guide ¥ One Triones IDE Bus Master Drivers Diskette Note: Do not unpack the mainboard until you are ready to install it. Follow the precautions below while unpacking the mainboard. 1. Before handling the mainboard, ground yourself by grasping an unpainted portion of the systemÕs metal chassis. 2. Remove the mainboard from its anti-static packaging and place it on a grounded surface, compo
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Introduction 3 Mainboard Layout w/ Default Settings 11 11 15 13 12 15 3 14 1 6 5 2 8 16 2 7 17 10 4 9 9 Figure 1Ð1. Mainboard Layout 1. Slot 1 for PII CPU 9. IDE1/IDE2 Connector 2. 82440LX Chipset 10. Floppy Connector 3. Ultra I/O Chip 11. COM1/COM2 Connector 4. PnP FLASH BIOS 12. Parallel Port Connector 5. ISA Slot 13. PS/2 Keyboard Connector 6. PCI Slot 14. PS/2 Mouse Connector 7. DIMM Memory Bank 15. USB 1/2 Connector 8. AGP Port 16. ATX Power Connector 17. CMOS Battery (Lithium battery, 3V)
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1 23 4 5 4 Introduction Default settings are as follows: 686 (PII) 233MHz CPU, On-board PCI Bus IDE Enabled, FDC Enabled, 2 high speed UARTS Enabled (w/ 16550 FIFO), 1 EPP/ECP port (ECP + EPP mode), and ATX Power Supply. IR PS/2 1 JP44 COM2 COM1 USB1 KB 1 6 Conn. PRT USB2 83977FX PS/2 Mouse Conn. 5 10 Slot 1 (for Pentium II CPU) ISA SLOT PCI SLOT 82443LX FAN 1 #4 #3 #2 #1 ATX PW DIMM 1 #3 #2 #1 82371 AB DIMM 2 DIMM 3 1 3V Lithium Battery DIMM 4 JP5 FLASH FDC BIOS SW1 Keylock SPK +–+– + – IDE2 P
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2 Hardware Setup This chapter explains how to configure the mainboardÕs hardware. After you install the mainboard, you can set jumpers, install memory on the mainboard, and make case connections. Refer to this chapter whenever you upgrade or reconfigure your system. CAUTION: Turn off power to the mainboard, system chassis, and peripheral devices before performing any work on the mainboard or system. Jumpers JP5: CMOS Clear Jumper Clear the CMOS memory by momentarily shorting this jumper; then o
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1 23 4 5 6 Hardware Setup SW1: Bus Fraction Core/Bus Ratio Select Jumper Set this jumper according to your CPU clock. Ratio 686 (PII) Family SW1 ON 3.5x 686 (PII) Ð 233 MHz 1 23 4 5 (default) ON 4.0x 686 (PII) Ð 266 MHz 1 23 4 5 ON 4.5x 686 (PII) Ð 300 MHz 1 23 4 5 ON 5.0x 686 (PII) Ð 330 MHz 1 23 4 5 CPU Type Configuration Set the mainboardÕs CPU switch SW1 according to CPU type as described below. 686 (PII) Ð 233 CPU Settings (3.5 x clock) FLASH BIOS SW1 ON Figure 2Ð1Ð1. CPU Jumper
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1 23 4 5 1 23 4 5 1 23 4 5 Hardware Setup 7 686 (PII) Ð 266 CPU Settings (4.0 x clock) FLASH BIOS SW1 ON Figure 2Ð1Ð2. CPU Jumper Settings 686 (PII) Ð 300 CPU Settings (4.5 x clock) FLASH BIOS SW1 ON Figure 2Ð1Ð3. CPU Jumper Settings 686 (PII) Ð 330 CPU Settings (5.0 x clock) FLASH BIOS SW1 ON Figure 2Ð1Ð4. CPU Jumper Settings Memory Configuration The mainboard supports four banks of 168-pin 3.3V EDO/SDRM Unbuffered DIMM. The mainboard supports from 8 to 512 Mbytes with no other restr
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8 Hardware Setup Multi I/O Port Addresses Default settings for multi-I/O port addresses are shown in the table below. Port I/O Address IRQ Status LPT1* 378H 7 ECP + EPP COM1 3F8H 4 COM2 2F8H 3 * If default I/O port addresses conflict with other I/O cards (e.g. sound cards or I/O cards), you must adjust one of the I/O addresses to avoid address conflict. (You can adjust these I/O addresses from the BIOS. Note: Some sound cards have a default IRQ setting for IRQ7, which may conflict with printing
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Hardware Setup 9 PS/2 Mouse Connector A six-pin female PS/2 mouse connector is located at the rear of the board. Plug the mouse jack into this connector. IR – IR Connector A ten-pin wafer connector is for connecting to the IR device. Use the device that has the ASKIR or HPSIR specification and choose ASKIR/HPSIR from the BIOS setup. IR Connector Pin Assignment VCC 1 6 Empty FIRRX 2 7 CIRRX IRRX 3 8 VSB GND 4 9 Empty IRTX 5 10 Empty There are two ways to use this IR function. One is to connect
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10 Hardware Setup IDE1/IDE2 – On-board Primary/Secondary IDE HDD Connectors Attach on-board hard disk drives to these connectors. COM1/COM2 Connectors Connect COM1/COM2 devices to these connectors. IDE LED – IDE HDD LED Connectors Attach on-board IDE device LEDs to this connector. The LED lights when an IDE device is active. FDC Connector Attach floppy cable to this connector. PRT – Parallel Port Connector Attach parallel port cable to this connector. USB1/USB2 – Universal Serial Bus Connector A
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Hardware Setup 11 FAN: CPU Cooling Fan Connector This 3-pins connector provides 12V power for the CPU cooling fan which matches the pin assignment of this connector. If you enable the Suspend Mode function in BIOS setup, this fan will stop when the system is into the suspend mode. CPU Cooling Fan Connector (Pin Assignment) Note: Make sure the pin assignment of our CPU Cooling Fan is matched with this connector before connecting it, otherwise, you may damage either the mainboard or the cooling
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Slot 1 (for Pentium II CPU) ATX PW 12 Hardware Setup Slot 1 Installation Guide This mainboard provides a non-boxed 686 (PII) CPU retention set to secure the CPU on this board. Follow the steps below to secure this type of CPU on to your motherboard. Step 1: Find the ATX PW and the Slot 1 on the board and set the board in the direction as follows before doing any installation. Install the 2 pairs of screws, as shown in the following figure, from the bottom of the motherboard upward onto the main
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Hardware Setup 13 Step 2: Insert the supporting base, which is shown below, into the two holes directly to the left of the 2 sets of screws that have just been inserted on to the board. Slot 1 ATX PW
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14 Hardware Setup Step 3: Insert the 2 latches into the two holes of the supporting base and then turn them 90¡ to secure the CPU. ATX PW
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Hardware Setup 15 Step 4: Set the retention clip right on the top of the 2 sets of screws which are along the sides of Slot1 and then tighten the 4 screws on the retention clip. Slot 1 ATX PW
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16 Hardware Setup Step 5: Insert the CPU into the retention clip and notice that the heat sink is on the left hand side of the board. Lock the two latches on the sides of the CPU to secure the CPU. Non-boxed Pentium II Golden Finger Slot 1 ATX PW
