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Chapter 1. INTRODUCTION

1-1 About this Manual

This manual is arranged to help you set up and run this Motherboard of
Pentium with MMX



as soon as possible.

The information is presented in the following two chapters:

Chapter 1

Introduction:

Presents what you should receive with your
motherboard, the features and specifications of the
product. This chapter is enclosed with a diagram
showing the layout out of the motherboard.

Chapter 2

Installation:

Motherboard Installation includes detailed
information on how to install and configure the
motherboard.

EP-PT22 User’s Manual

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Summary of Contents for EP-PT22

Page 1: ...EP PT22 Motherboard of Pentium with MMX User s Manual Order Number 4101003 November 1997 ...

Page 2: ...NG THE ELECTROMAGNETIC COMPATIBILITY AND SAFETY THE FOLLOWING STANDARDS WERE APPLIED EN50081 1 1992 GENERIC EMISSION STANDARDS EN550022 1994 EMISSION EN60555 2 1987 HARMONICS EN60555 3 1987 VOLTAGE FLUCTUATIONS EN50082 1 1992 GENERIC IMMUNITY STANDARD IEC 801 2 1984 ELECTROSTATIC DISCHARGE IMMUNITY IEC 801 3 1984 RADIATED IMMUNITY IEC 801 4 1988 ELECTRICAL FAST TRANSIENT The manufacturer also decl...

Page 3: ...EP PT22 Motherboard for Compatible PC User Manual Rev 1 0 Related Motherboard EP PT22 P C B Rev 1 2 and up Date Nov 1997 EP PT22 User s Manual i ...

Page 4: ... Item Checklist 2 1 3 Specifications 3 Chapter 2 7 2 1 Motherboard Layout 6 2 3 System Memories 8 2 4 Central Processing Unit CPU 10 2 5 Expansion Cards 10 2 6 External Connectors 11 2 7 Hardware Jumper Switch Setup 28 APPENDIX 30 30 EP PT22 User s Manual ii ...

Page 5: ...radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Re orient or relocate the receiving antenna I...

Page 6: ...partment of Communications Statement This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out the Radio Interference Regulations for the Canadian Department of Communications EP PT22 User s Manual iv ...

Page 7: ...n the following two chapters Chapter 1 Introduction Presents what you should receive with your motherboard the features and specifications of the product This chapter is enclosed with a diagram showing the layout out of the motherboard Chapter 2 Installation Motherboard Installation includes detailed information on how to install and configure the motherboard EP PT22 User s Manual 1 ...

Page 8: ...skette x 1 Option Rear Panel Shielding Option IrDA Module x 1 Option 50 Pin SCSI Connection Flat Cable x 1 Option Sound Driver Diskette x 1 Option SCSI Driver Diskette x 1 Option 50 Pin SCSI Connection Cable Ribbon for Bracket Option LDCM Diskette x 1 Option Option Components will be included upon customer ordering instructions per Proforma Invoice additional external procurement cost will be incl...

Page 9: ...D ROM ATAPI LS 120 and any IDE Device Bootable Virus Protection Cache Onboard 512KB Pipeline Burst SRAM Cache System Memory 4 x 72 pin SIMM 2 x 168 pin DIMM Slots support up to 256MB Support Mixed Memory Technologies Extended Data Out EDO Fast Page FP DRAM Synchronous DRAM SDRAM Multi I O Onboard 1 x FDD Port support up to 2 88MB 1 x Parallel Port LPT support ECP EPP 2 x High Speed Serial 16C550 U...

Page 10: ...t 1 x PS 2 Keyboard Port 1 x PS 2 Mouse Port 1 x Parallel Port 2 x Com Port 1 x Audio Line in Port 1 x Audio Line Out Port 1 x Audio Mic In Port Expansion Slots 3 x 16 bit ISA Slots with 100 ISA Compatible Functions 4 x 32 bit PCI Slots supporting PCI Master Conform with PCI Specifications Version 2 1 Options Infrared IrDA Wireless Interface Kit Front Rear Universal Serial Bus USB Connector Kit LM...

Page 11: ...rround 3D Audio with Enhanced Wave Table Support Optional SCSI Support Optional Support Power Monitor with Alarm Support Modem Ring Wake Up Compliant with PC97 Support Win95 Soft Power Off For ATX Power only Support SM Bus Dimension 305mm x 210mm Form Factor ATX Form Factor EP PT22 User s Manual 5 ...

Page 12: ...id damaging any circuits or sockets on board A cooling fan is strongly recommended when installing P54C P54CTB P55C K5 K6 6x86 M2 due to possible overheat The motherboard supports minimum of 8 MB of system memory and a maximum of 256MB The onboard L2 Cache is 512KB SRAM to increase system performance The motherboard supports standard Fast Page FP EDO Extended Data Out or SDRAM Synchronous DRAM The...

Page 13: ...se Dual USB Port LPT1 Com 1 Multi I O Mic In Line Out Line In IrDA Rear AT ATX Power Suppy ZIF Socket 7 Floppy Port Sound Chip Wave Table Optional 430 TX Chipset SCSI Connectors Optional 3 x ISA LM78 Ext Battery Clear CMOS HCLK Host Clock Switch Primary IDE 2 x DIMM IrDA Front VCORE Set SW Frequency Ratio 512KB PB SARM Speaker In Secondary IDE Game Port SCSI Chipset Optional Flash ROM Front Panel ...

Page 14: ...r 70ns Fast Page Mode FPM Asymmetric or Symmetric Extended Data Output EDO SIMMs must be installed in pairs so that each bank contains two of the same size memory modules Install memory in any or all of the banks at any combination as the following page NOTE Each bank must have the same size and type FPM EDO of memory installed in pairs Memory setup is required Auto Configuration in Chipset Featur...

Page 15: ...ed Item Bank Memory Module 1 DIMM 1 8 128MB 2 DIMM 1 2 8 128MB 3 DIMM 1 SIMM 1 2 8 128MB 4 64MB 4 DIMM 2 SIMM 3 4 8 128MB 4 64MB 5 SIMM 1 2 4 64MB 6 SIMM 3 4 4 64MB 7 SIMM 1 2 3 4 4 64MB EP PT22 User s Manual 9 SIMM 4 SIMM 3 SIMM 2 SIMM 1 DIMM 1 DIMM 2 ...

Page 16: ...nd open it by first pulling the lever sideways away from the socket s Lock then upwards to a 90 degree right angle Insert the CPU with the correct orientation Look to see that the pins are denser on one half compared to the other half The picture is for reference only you should have a CPU fan that will cover the face of the CPU With the added weight of the CPU fan no force is required to insert t...

Page 17: ...ector will not allow standard AT size large DIN keyboard plugs You may use a DIN to mini DIN adapter on standard AT keyboard 2 PS 2 Mouse Connector J26 6 pin Female The system will direct IRQ12 to the PS 2 mouse if one is detected If not detected expansion cards can use IRQ12 EP PT22 User s Manual 11 J26 PS 2 Keyboard Connector J25 USB Port J26 PS 2 Mouse Connector Support Standard USB Specificati...

Page 18: ...he IRQ through BIOS Setup on Onboard Parallel Port 4 Serial Ports J24 COM2 J21 COM1 9 pin Male The two serial COM1 COM2 ports can be used for pointing devices or other serial devices See Onboard Serial Port in Chipset Features Setup of the BIOS Software EP PT22 User s Manual 12 J23 Parallel Port 1 J24 Com2 J21 Com1 ...

Page 19: ...o prevent electrical spikes make sure that the power supply is not connected to an outlet when making or removing connections Power supplies contain power reserves which can damage electrical components 6 Floppy Drive Connector J18 34 pin block This connector supports the provided floppy disk drive ribbon cable After connecting the single end to the board connect the plugs on the other end to one ...

Page 20: ... plugs at the other end to your hard disk s If you install two hard disks you must configure the second drive to Slave mode by setting its jumper accordingly Please refer to the documentation of your hard disk for the jumper settings BIOS now supports SCSI device or IDE CD ROM boot up see Boot Sequence in the BIOS Features Setup of the BIOS Software EP PT22 User s Manual 14 J5 Secondary HDD J4 Pri...

Page 21: ...nection of several SCSI devises The SCSI devices can be chained together and the last device must be Termination Enabled All other devices in the chain must be Termination Disabled The SCSI Driver Diskette provided with this option contains the configuration utility EP PT22 User s Manual 15 J 16 50 Pin Con1 ...

Page 22: ...Chapter 2 INSTALLATION 9 a IDE Activity LED J2 Pin 2 4 This connector connects to the IDE hard disk activity indicator light on the system cabinet EP PT22 User s Manual 16 1 J2 Pin 2 4 HDD Activity LED ...

Page 23: ... when the motherboard has power NOTE For case housing with 2 pin connector connect direct pin to pin to J2 9 11 For case housing with 3 pin connector connect direct pin to pin to J2 9 13 of motherboard EP PT22 User s Manual 17 1 1 J2 Pin 9 11 Pin 9 13 for 3 pin connector J2 Pin 9 13 Pin 9 11 for 2 pin connector ...

Page 24: ... the system The system power LED shows that status of the system s power This connection does not have a function when a standard power supply is used NOTE If the power to the ATX power supply is interrupt while the motherboard is on standby power will remember that the motherboard should be on and boot the computer when power is reapplied to the ATX power supply EP PT22 User s Manual 18 J2 Pin10 ...

Page 25: ...This is a preferred method of rebooting in order to prolong the life of the system s power supply e Turbo LED J2 Pin 6 8 The motherboard s turbo mode is always on so an LED attached to this connector will always be lit while system power is on You may wish to connect the Power LED of your system case to this connector EP PT22 User s Manual 19 1 J2 Pin18 20 Reset Switch Lead 1 J2 Pin 6 8 Turbo LED ...

Page 26: ...ed keyboard lock switch for locking the keyboard and also to connect the system power LED The system power LED lights when the system is powered on g Speaker Connector J2 Pin 1 7 SPEAKER This 4 pin connector connects to the case mounted speaker EP PT22 User s Manual 20 1 J2 Pin15 19 KEYLOCK 1 J2 Pin 1 7 Speaker ...

Page 27: ...e at 4 5 6 0 V 11 Clear CMOS Connector J8 Temporarily placing a jumper across pins 1 2 of this pin block will erase all user defined BIOS setting For regular use the jumper can be stored on pins 2 3 which is marked as NORMAL Be certain that system power is OFF before using this feature EP PT22 User s Manual 21 1 Normal Clear Clear CMOS Connector Ext Battery Connector ...

Page 28: ...13 Flash ROM Vpp Select Jumper J6 This jumper selects Vpp for the Flash ROM By default it s set to 5V pins 1 2 Moving the jumper cap to pin 2 3 sets the Vpp to 12V If you change the ROM chips you should check the specifications to be sure you set the right value EP PT22 User s Manual 22 R IN L IN CD IN Connector 5v ...

Page 29: ...Activity LED LED1 When SCSI device is accessing the LED be light 15 PC Speaker connector J10 This connector can output the audio signal to PC Speaker at inner case of PC EP PT22 User s Manual 23 LED1 SCSI Access LED J10 PC Speaker Connector ...

Page 30: ...fects the power supply to the CPU it is important to be very careful with this setting to avoid damage to the CPU For P55C K6 and M2 type CPUs set jumper caps on the two pin pairs which are closest to the center of the motherboard EP PT22 User s Manual P55C K6 M2 P54C K5 M1 24 1 Setting CPU Type J3 1 ...

Page 31: ... 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 VID4 ON ON ON ON ON ON ON OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF VID3 OFF OFF OFF OFF ON ON ON OFF OFF OFF OFF OFF OFF OFF OFF ON ON ON ON ON ON ON ON VID2 OFF OFF ON ON OFF OFF ON OFF OFF OFF OFF ON ON ON ON OFF OFF OFF OFF ON ON ON ON VID1 OFF ON OFF ON OFF ON OFF OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF...

Page 32: ...k fins allow airflow to go across the onboard heat sink s instead of the expansion slots Depending on the fan manufacturer the wiring and plug may be different The red wire should be positive while the black should be ground Connect the fan s plug to the board taking into consideration the polarity of the connector EP PT22 User s Manual 26 Fan1 DET1 J29 J30 DET2 Fan2 ...

Page 33: ...ort the optional wireless transmitting and receiving infrared module This module mounts to a small opening on system cases that support this feature You must also configure USRT 2 Use Infrared in Chipset Features Setup to select whether UART2 is directed for use with COM2 or IrDA When IrDA is selected in BIOS COM2 will be disabled Use the five pins as shown on the Back View and connect a ribbon ca...

Page 34: ...ardware Jumper Switch Setup 1 External HCLK Frequency SW1 refer APPENDIX 2 Frequency Ratio JB2 Refer APPENDIX EP PT22 User s Manual 28 SW1 1 2 3 4 ON Note Default Setup is OFF JB2 Frequency Ratio 1 2 3 BF2 BF1 BF0 Default setting ...

Page 35: ...C CORE Voltage 2 8V 3 57 I O Voltage 3 3V 5 9 09 Cyrix 6x86 PRXX CORE I O Voltage 016 3V 028 3 52V 3 15V 3 70V Cyrix 6x86L PRXX CORE Voltage 2 8V I O Voltage 3 3V AMD K5 PRXX CORE I O Voltage 3 52V 3 45V 3 6V AMD K6 PR166 200 CORE Voltage 2 9V 0 145V I O Voltage 3 3V 0 3V 0 165V EP PT22 User s Manual 29 ...

Page 36: ...OFF ON ON OFF OFF ON ON VID0 OFF OFF OFF OFF OFF OFF OFF OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON FREQUENCY RATIO AMD CYRIX INTEL BF0 BF1 BF2 1 75X 2 M1 2 5 M2 2 5 2 3 2 3 1 2 2 0X 3 3 1 2 2 3 1 2 1 5X 2 2 2 3 1 2 1 2 1 5X 3 M1 3 5 M2 1 5 P54C 3 5 P55C 1 2 1 2 1 2 AMD K6 PR 166 2 3 2 3 1 2 AMD K6 PR 200 1 2 2 3 1 2 AMD K6 PR 233 1 2 1 2 1 2 SW1 3 2 1 HCLK OFF ON ON 55 0M OFF ON OFF ...

Page 37: ...EP PT22 User s Manual 100 POST CONSUMER RECYCLED PAPER ...

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