AMD AHCI Problems with PAE on Exkernel

  • Thread starter Windows 2000/2003/NT4 Latest Topics
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Windows 2000/2003/NT4 Latest Topics

Ahcix86 3.3.1540.29, as suggested by blackwingcat, can break PAE compatibility in W2K extended kernel (on my system - M5AF99FX PRO R2.0 it does). It seems this driver was written without care of

Physical Address Extension - PAE Memory and Windows - Windows 10 hardware dev

Perhaps it would be better not to use too many XPSP3 files with w2k exkernel, they seem to be buggy with "real" PAE in native environment ...

Workaround: if you experience i/o problems (I had strange read/write to/from disc problems) with 3.3.1540.29 and /PAE mode, simply replace ahcix86.sys with v3.2.1540.75 WHQL Server2003. It will resolve this (also AMD Raid console will be installed). The system seems to be faster, too, without /PAE.

Now I can use 32GB in W2k Exkernel!!!

Greetings from Austria!

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