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System power on by PS/2 Mouse: You can power on the system by double clicking the right or left button of your PS/2 Mouse. 2. System power on by Keyboard: If your ATX power supply supports 1 ampere 5V Stand-By function, you can power on your system by entering password from keyboard. 3. Supports 3 steps ACPI LED selectable. 4. Modem Ring-On. (COM B) 5. Wake-Up on LAN. (on J13) Pentiuma II Processor MAINBOARD REV. 1.0 First Edition R-01-01-080119 686LX4 The author assumes no responsibility for any errors or omissions that may appear in this document nor does it make a commitment to update the information contained herein. Third-party brands and names are the property of their respective owners. 1 Quick Installation Guide January 19, 1998 Taipei, Taiwan I. Quick Installation Guide : CPU SPEED SETUP The default system bus speed is 66.6MHz. The user can change the DIP SWITCH (SW) selection to set up the CPU speed for 200 - 633MHz processor. The CPU speed MUST match with the frequency RATIO. It will cause system hanging up if the frequency RATIO is higher than that of CPU. DIP SWITCH (SW) FREQ. RATIO EXT.CLK. MHz INT.CLK. MHz CPU Type 1 2 3 4 OFF ON OFF OFF 3 66 200 Pentiuma II 200 MHz ON ON OFF OFF 3.5 66 233 Pentiuma II 233 MHz OFF OFF ON OFF 4 66 266 Pentiuma II 266 MHz ON OFF ON OFF 4.5 66 300 Pentiuma II 300 MHz OFF ON ON OFF 5 66 333 Pentiuma II 333 MHz ON ON ON OFF 5.5 66 366 Pentiuma II 366 MHz Main Clock JP4 JP3 JP2 66 MHz 1-2 1-2 1-2 2 686LX4 1. Pentiuma II 200 MHz PIIX4 INTEL 440LX JP2 JP3 JP4 3 2 1 ON 4 3 2 1 2. Pentiuma II 233 MHz PIIX4 INTEL 440LX JP2 JP3 JP4 3 2 1 ON 4 3 2 1 3 Quick Installation Guide 3. Pentiuma II 266 MHz PIIX4 INTEL 440LX JP2 JP3 JP4 3 2 1 ON 4 3 2 1 4. Pentiuma II 300 MHz PIIX4 INTEL 440LX JP2 JP3 JP4 3 2 1 ON 4 3 2 1 5. Pentiuma II 333 MHz 4 686LX4 PIIX4 INTEL 440LX JP2 JP3 JP4 3 2 1 ON 4 3 2 1 6. Pentiuma II 366 MHz PIIX4 INTEL 440LX JP2 JP3 JP4 3 2 1 ON 4 3 2 1 II. Jumper setting : SPK : Speaker Connector 5 Quick Installation Guide PIIX4 INTEL 440LX PIN FUNCTION 1 VCC 2 NC 3 NC 4 DataSPK 1 RST : Reset Switch PIIX4 INTEL 440LX RST Open: Normal Close: Reset System PWR : Power LED Connector 6 686LX4 PIIX4 INTEL 440LX Power LED PIN FUNCTION 1 LED (+) 2 NC 3 LED (-) 1 HD : IDE Hard Disk Active LED PIIX4 INTEL 440LX PIN FUNCTION 1 LED (+) 2 LED (-) 1 HD LED IR : Infrared Connector 7 Quick Installation Guide PIIX4 INTEL 440LX PIN FUNCTION 1 IR Data Output 2 GND 1 IR Connector 3 IR Data Input 4 Signal 5 POWER (+) GN : Green Function Switch PIIX4 INTEL 440LX GN Open: Normal Close: Enter Green Mode Soft POWER : Soft Power Connector 8 686LX4 PIIX4 INTEL 440LX 1 Soft Power POWER1 : Power Connector PIIX4 INTEL 440LX 1 Power Good Pin No. 3,5,7,13, 15-17 4,6,19,20 10 12 18 8 9 14 Function GND VCC(+5V) +12V -12V -5V 5V SB PS-ON 11 PS/2 Mouse / Keyboard Connector 9 Quick Installation Guide PIIX4 INTEL 440LX PS/2 Keyboard PS/2 Mouse J1 : CPU Cooling Fan Power Connector PIIX4 INTEL 440LX PIN FUNCTION 1 GND 2 +12V 3 SENSE FAN Power 1 IDE1: For Primary IDE port 10 686LX4 PIIX4 INTEL 440LX 1 1 FLOPPY IDE1 IDE2 1 RED LINE IDE2: For Secondary IDE port PIIX4 INTEL 440LX 1 1 FLOPPY IDE1 IDE2 1 RED LINE J3 : FLOPPY PORT 11 Quick Installation Guide PIIX4 INTEL 440LX 11 1 FLOPPY IDE1 IDE2 1 RED LINE LPT PORT / COM A / COM B PIIX4 INTEL 440LX 11 1 FLOPPY IDE1 IDE2 COM B LPT PORT COM A JP1 : Keyboard Power On 12 686LX4 PIIX4 INTEL 440LX 11 1 FLOPPY IDE1 IDE2 1 2 3 1-2 2-3 Enable Disable Keyboard Power On Default: Disable CN1: USB Port PIIX4 INTEL 440LX 11 1 FLOPPY IDE1 IDE2 Pin No. Function 1 2 3 4 5 6 7 8 USB D0USB D0+ GND USB V0 GND USB V0 USB D1USB D1+ J16: ATX Power Control Selection 13 Quick Installation Guide PIIX4 INTEL 440LX 11 1 FLOPPY IDE1 IDE2 J16 Open: Soft Off Close: Full On J13:Wake On LAN PIIX4 INTEL 440LX 11 1 FLOPPY IDE1 IDE2 Pin No. Function 1 +5V SB 2 GND 3 Signal 1 J15:Creative PCI Sound Card Support 14 686LX4 PIIX4 INTEL 440LX 11 1 FLOPPY IDE1 IDE2 Pin No. Function 1 Signal 2 GND 3 NC 4 Signal 5 GND 6 Signal 1 2 5 6 4 15 Quick Installation Guide III. Top Performance Test Setting: Users have to modify the value for each item in chipset features as follow for top performance setting. ROM PCI / ISA BIOS CHIPSET FEATURES SETUP AWARD SOFTWARE, INC. DRAM Speed Selection Auto Configuration DRAM Data Integrity Mode Memory Hole At 15M-16M Video RAM Cacheable SDRAM RAS-to-CAS Delay SDRAM RAS Precharge Time SDRAM CAS latency Time Delayed Transaction Memory Buffer Strength 16 Bit I/O Recovery Time : Fast : Enabled : Disabled : Non-ECC : Disabled : Fast : Fast : 2 : Disabled : Middle : 1 CPU Temperature Select Slow Down CPU Duty Cycle Current CPUFAN1 Speed Current +3.3 V Current CPUVCORE A Current +12 V Current - 12 V Current - 5 V Current +5 V Current CPU1 Temperature Current CPUVCORE B Current Battery Life : Disabled : 3.53 V : 4470 RPM : 2.83 V : 12.28 V :-11.81 V :-5.04 V : 4.99 V : 1.50 V : 70 /158 .K.J : 39 /102 .K.J : OK ESC F1 F5 F7 : Load Setup Defaults : Quit : Help : Old Values PU/PD/+...

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