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Win95 OSR2 / AMD issue

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  • C Offline
    C Offline
    Cpudood
    wrote on last edited by
    #1

    It has been stated as a fact from AMD, that chips with a speed greater than or equal to 300Mhz conflict with Win95 OSR2. Explicitly, the boot process yields the message, "While Initializing Device IOS: Windows Protection Error. You Need to Restart Windows". This is the message I recieved after a clean install of 95 with a K6-2 500Mhz processor. I did get 95 to boot by clocking the chip down to 166Mhz. I then tried to install the chip update from AMD's web but recieved a message about a Restriction error. The details of the error are as follows: caused an exception c0000006H in module at 0000:bff832f3. Registers: EAX=20040000 CS=0137 EIP=bff832f3 EFLGS=00010206 EBX=01047000 SS=013f ESP=827e4c84 EBP=827e4cb4 ECX=81789200 DS=013f ESI=0000100d FS=0da7 EDX=c10d1700 ES=013f EDI=0100d000 GS=0000 Bytes at CS:EIP: 08 0f 6a 00 6a 01 56 68 0d 00 01 00 e8 d0 e0 fe Stack dump: 20040000 000002bb 00000014 81789064 00000050 00000003 00000000 00000003 00000000 00000000 00000001 817892bc 827e4e00 bff85528 00000014 00000000 The only conclusion this message gives me is that the K6 and K6-2 register and stack architecture don't coincide. How can I get the processor to run at 500Mhz?

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    • C Cpudood

      It has been stated as a fact from AMD, that chips with a speed greater than or equal to 300Mhz conflict with Win95 OSR2. Explicitly, the boot process yields the message, "While Initializing Device IOS: Windows Protection Error. You Need to Restart Windows". This is the message I recieved after a clean install of 95 with a K6-2 500Mhz processor. I did get 95 to boot by clocking the chip down to 166Mhz. I then tried to install the chip update from AMD's web but recieved a message about a Restriction error. The details of the error are as follows: caused an exception c0000006H in module at 0000:bff832f3. Registers: EAX=20040000 CS=0137 EIP=bff832f3 EFLGS=00010206 EBX=01047000 SS=013f ESP=827e4c84 EBP=827e4cb4 ECX=81789200 DS=013f ESI=0000100d FS=0da7 EDX=c10d1700 ES=013f EDI=0100d000 GS=0000 Bytes at CS:EIP: 08 0f 6a 00 6a 01 56 68 0d 00 01 00 e8 d0 e0 fe Stack dump: 20040000 000002bb 00000014 81789064 00000050 00000003 00000000 00000003 00000000 00000000 00000001 817892bc 827e4e00 bff85528 00000014 00000000 The only conclusion this message gives me is that the K6 and K6-2 register and stack architecture don't coincide. How can I get the processor to run at 500Mhz?

      M Offline
      M Offline
      Michael A Barnhart
      wrote on last edited by
      #2

      Did you install the AMD patch for 95? What is happening is a timing error in 95 that supported the intel chips. I have run 95 on 300, 450, 550, and 800 AMD K6 and K6-2 chips fine. "For as long as I can remember, I have had memories. Colin Mochrie."

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