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24

Windows 95 Updates for AMD CPUs

PowerLeap

™

Installation Guide

designator such as "4.00.9500 B". The number may vary slightly, but the letter
designator will be a "B" for the OSR2 version. Version designators without a "B",
such as an "A" or nothing after the number, cannot use the patch.

Windows 95A (OSR1) Patch for AMD CPUs

A patch available on

www.friendtech.com

fixes the "Windows Protection Error"

problem that occurs when running AMD K6-2/K6-III CPUs at speeds of
350MHz (or higher) under Win95a (OSR1).

IMPORTANT:

Use this patch for Windows 95a (OSR1) only. If you have

Windows 95b (OSR2), use the OSR2 patch provided by Microsoft. Windows 98
users are not affected by this problem. For more information on this issue, read
the PL-ProMMX

Troubleshooting Guide

.

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Summary of Contents for PL-PROMMX

Page 1: ...POWERLEAP PL PROMMX Pentium CPU Upgrade Kit for Intel Pentium P54C and Pentium w MMX Technology P55C AMD K6 and K6 2 Cyrix IBM 6X86 6X86L 6X86MX and MII IDT C6 Version 6 xx ...

Page 2: ...and Pentium are registered trademarks of Intel Corporation Microsoft Windows Windows NT and MS DOS are either trademarks or registered trademarks of Microsoft Corporation VIA is a registered trademark of VIA Technologies Inc Other product names mentioned herein are used for identification purposes only and may be trademarks and or registered trademarks of their respective companies Limitation of L...

Page 3: ...Used Abbreviations 2 Special Features 2 What You Have 3 The PowerLeap PL ProMMX 5 Quick Start CPU Settings 5 SW1 Settings Clock Multiplier and Voltage Settings 7 Installing the PL ProMMX 9 Technical Reference 17 SW1 Core Voltage Settings 20 Windows 95 Updates for AMD CPUs 23 Windows 95B OSR2 Patch for AMD CPUs 23 Windows 95A OSR1 Patch for AMD CPUs 24 ...

Page 4: ... 3 Tightening the hex nuts______________________________11 Figure 4 Inserting the CPU into the upgrade adapter ______________12 Figure 5 Raising the ZIF socket arm___________________________13 Figure 6 Installing the CPU upgrade adapter into the ZIF socket _____14 Figure 7 Locking the CPU upgrade adapter into the ZIF socket ______15 Figure 8 Connecting the power cables _________________________16 ...

Page 5: ...tions a 32K L1 cache four new 64 bit data types and more For multimedia and communications applications MMX can significantly enhance audio video playback and image processing MMX technology is compatible with a wide range of existing operating systems including MS DOS Windows OS 2 and UNIX and 16 32 bit applications About the 3DNow Technology AMD s 3DNow technology is an innovative group of 21 ne...

Page 6: ...ed CPU upgrade Employed the patented IPS Independent Power Source technology Which provides pure sufficient durable power to the V Core of split voltage type CPUs Switching VRM Voltage Regulating Module circuitry Supports Intel Pentium Pentium w MMX AMD K6 K6 2 Cyrix IBM 6x86L 6x86MX MII and IDT C6 CPUs Large On Chip 64KB L1 Cache AMD K6 K6 2 Cyrix IBM 6x86MX MII and IDT C6 or 32KB L1 Cache Intel ...

Page 7: ...eap Installation Guide What You Have Your PowerLeap PL ProMMX CPU upgrade adapter includes the following items The PowerLeap PL ProMMX upgrade adapter Power connector cord PowerLeap Utility Diskette CPU cooling fan heatsink ...

Page 8: ...4 Introduction PowerLeap Installation Guide ...

Page 9: ...s section shows how to use the SW1 DIP switch to choose the correct clock multiplier and voltages for your new Intel AMD or Cyrix IBM processor Intel CPU SW1 Settings Pentium w MMX 200 66 3 0x O N 1 2 3 4 5 6 7 8 Pentium w MMX 233 66 3 5x O N 1 2 3 4 5 6 7 8 AMD K6 CPU SW1 Settings K6 200 66 3 0x O N 1 2 3 4 5 6 7 8 K6 233 66 3 5x O N 1 2 3 4 5 6 7 8 K6 266 66 4 0x O N 1 2 3 4 5 6 7 8 K6 300 66 4 ...

Page 10: ...6 6 0x O N 1 2 3 4 5 6 7 8 K6 2 450 75 6 0x O N 1 2 3 4 5 6 7 8 For systems with an external clock speed faster than 66MHz IDT CPU SW1 Settings C6 MMX 200 66 3 0x O N 1 2 3 4 5 6 7 8 C6 MMX 240 60 4 0x O N 1 2 3 4 5 6 7 8 WinChip2 240 60 4 0x O N 1 2 3 4 5 6 7 8 WinChip2 266 66 4 0x O N 1 2 3 4 5 6 7 8 WinChip2 300 75 4 0x O N 1 2 3 4 5 6 7 8 For systems with an external clock speed faster than 66...

Page 11: ... 66MHz Cyrix IBM MII CPU SW1 Settings MII 300GP 66 3 5x O N 1 2 3 4 5 6 7 8 MII 333GP 75 3 5x O N 1 2 3 4 5 6 7 8 For systems with an external clock speed faster than 66MHz SW1 Settings Clock Multiplier and Voltage Settings This section shows the SW1 clock multiplier and voltage settings for Intel AMD Cyrix IBM and IDT CPUs To reduce power consumption dual voltage CPUs use two separate supply volt...

Page 12: ...WinChip2 K6 233 K6 200 6x86MX MII P55C K6 2 450 K6 266 K6 300 K6 2 SW1 Pin 4 ON OFF ON OFF OFF OFF SW1 Pin 5 ON OFF OFF OFF OFF ON SW1 Pin 6 ON ON OFF OFF ON OFF SW1 Pin 7 ON ON ON ON OFF OFF SW1 Pin 8 OFF OFF OFF OFF OFF OFF For systems with an external clock speed of less than 66MHz there may be a slight performance sacrifice for your new CPU For example changing to a K6 2 400 from a Pentium 75 ...

Page 13: ... provided by the PL ProMMX CPU upgrade adapter we suggest running the PowerLeap CPU Control Panel software both before and after installation If you are uncertain about the speed of your existing CPU you can determine the speed by running the PowerLeap CPU Control Panel The PowerLeap web site http www powerleap com contains links to files available for downloading including the PowerLeap CPU Contr...

Page 14: ...e heatsink up and down 2 Turn your new CPU over so that the pins are facing upward and slide it under the grooves at the sides of the CPU cooling fan heatsink Pin 1 Pin 1 Power Power Cable Cable Figure 2 Sliding the CPU onto the CPU plate Pin 1 of the CPU must occupy the corner diagonally opposite the fan s power cable If necessary remove the CPU from the CPU plate and insert it again with pin 1 i...

Page 15: ...Installing the PL ProMMX 11 PowerLeap Installation Guide 3 Tighten the hex nuts The CPU should be firmly attached to the CPU plate Figure 3 Tightening the hex nuts ...

Page 16: ...of the socket Be sure the CPU is firmly seated in the socket Pin 1 Pin 1 Pin 1 Pin 1 Figure 4 Inserting the CPU into the upgrade adapter To install the CPU upgrade adapter in your computer 1 Place your computer where you will have plenty of space to work 2 Turn the computer off and disconnect all power cords and cables from the rear of the computer 3 Remove the cover from the computer as described...

Page 17: ... ZIF socket on the computer s motherboard The CPU itself may be concealed under a CPU cooling fan and or heatsink 5 If your computer has a CPU cooling fan heatsink remove it 6 Raise the ZIF socket arm and remove the CPU from the ZIF socket Figure 5 Raising the ZIF socket arm ...

Page 18: ...t making sure that pin 1 of the upgrade adapter is installed in pin 1 of the ZIF socket Pin 1 Pin 1 Pin 1 Pin 1 Figure 6 Installing the CPU upgrade adapter into the ZIF socket Pin 1 of the CPU upgrade adapter must match the pin 1 hole of the ZIF socket If the upgrade adapter is installed incorrectly the CPU may be damaged ...

Page 19: ...Installing the PL ProMMX 15 PowerLeap Installation Guide 8 Lock the CPU upgrade adapter into the ZIF socket by pressing the socket arm down Figure 7 Locking the CPU upgrade adapter into the ZIF socket ...

Page 20: ...or Power Connentor Fan Connentor Fan Connentor Fan Cable Fan Cable Figure 8 Connecting the power cables The CPU upgrade adapter must have an independent external power supply in order to operate properly For maximum reliability do not use the unused connector on the power connector cord to supply power to a CD ROM drive or other device In other words use the power connector cord to connect only th...

Page 21: ...e Speed External Clock Speed x Upgrade Adapter Clock Multiplier Intel CPU External Clock Speed Upgrade Adapter Clock Multiplier Internal Clock Speed Pentium 75 50 MHz 1 5x 75 MHz Pentium 90 60 MHz 1 5x 90 MHz Pentium 100 66 MHz 1 5x 100 MHz Pentium 120 60 MHz 2x 120 MHz Pentium 133 66 MHz 2x 133 MHz Pentium 150 60 MHz 2 5x 150 MHz Pentium 166 66 MHz 2 5x 166 MHz Pentium 200 66 MHz 3x 200 MHz P55C ...

Page 22: ...6 66 MHz 4x 266 MHz K6 2 300 66 MHz 4 5x 300 MHz K6 2 300 75 MHz 4x 300 MHz K6 2 333 66 MHz 5x 333 MHz K6 2 333 75 MHz 4 5x 337 MHz K6 2 366 66 MHz 5 5x 366 MHz K6 2 400 66 MHz 6 0x 400 MHz K6 2 450 75 MHz 6 0x 450 MHz IDT CPU External Clock Speed Upgrade Adapter Clock Multiplier Internal Clock Speed C6 200 66 MHz 3x 200 MHz C6 225 75 MHz 3 5x 225 MHz C6 240 60 MHz 4x 240 MHz WinChip 2 240 60 MHz ...

Page 23: ...Hz 2x 120 MHz 6x86L P166 66 MHz 2x 133 MHz 6x86L P200 75 MHz 2x 150 MHz 6x86MX PR166 60 MHz 2 5x 150 MHz 6x86MX PR200 66 MHz 2 5x 166 MHz 6x86MX PR200 75 MHz 2x 150 MHz 6x86MX PR233 75 MHz 2 5x 188 MHz 6x86MX PR233 66 MHz 3x 200 MHz 6x86MX PR266 83 MHz 2 5x 207 MHz MII 300GP 66 MHz 3 5x 233 MHz MII 333GP 75 MHz 3 5x 263 MHz For systems with an external clock speed slower than 50MHz there may be a ...

Page 24: ... 1V ON ON OFF ON OFF 3 0V OFF ON OFF ON OFF 2 9V ON OFF OFF ON OFF 2 8V OFF OFF OFF ON OFF 2 7V ON ON ON OFF OFF 2 6V OFF ON ON OFF OFF 2 5V ON OFF ON OFF OFF 2 4V OFF OFF ON OFF OFF 2 3V ON ON OFF OFF OFF 2 2V OFF ON OFF OFF OFF 2 1V ON OFF OFF OFF OFF 2 0V OFF OFF OFF OFF OFF 2 05V ON ON ON ON ON 2 00V OFF ON ON ON ON 1 95V ON OFF ON ON ON 1 90V OFF OFF ON ON ON 1 85V ON ON OFF ON ON 1 80V OFF O...

Page 25: ... Pin 4 Pin 5 Pin 6 Pin 7 Pin 8 1 75V ON OFF OFF ON ON 1 70V OFF OFF OFF ON ON 1 65V ON ON ON OFF ON 1 60V OFF ON ON OFF ON 1 55V ON OFF ON OFF ON 1 50V OFF OFF ON OFF ON 1 45V ON ON OFF OFF ON 1 40V OFF ON OFF OFF ON 1 35V ON OFF OFF OFF ON 1 30V OFF OFF OFF OFF ON ...

Page 26: ...22 Technical Reference PowerLeap Installation Guide ...

Page 27: ...his problem with a patch file Windows 95B OSR2 Patch for AMD CPUs Microsoft has released a patch for Windows 95 OSR2 OSR2 OSR2 1 or OSR2 5 to correct a timing problem with the AMD K6 2 at speeds of 350MHz and higher This file is available from the PowerLeap web site For complete information on this patch please go to http www microsoft com windows95 downloads contents wurecommended s_wuservicepack...

Page 28: ...the patch Windows 95A OSR1 Patch for AMD CPUs A patch available on www friendtech com fixes the Windows Protection Error problem that occurs when running AMD K6 2 K6 III CPUs at speeds of 350MHz or higher under Win95a OSR1 IMPORTANT Use this patch for Windows 95a OSR1 only If you have Windows 95b OSR2 use the OSR2 patch provided by Microsoft Windows 98 users are not affected by this problem For mo...

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