Upgrading from other releases

# 5 Upgrading from other releases

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If you have an Xconfig for XFree86 versions earlier than 2.1.1, or for the alpha Mach64 server, you will need to change it to use it for this version. Specifically, you should run the server with the -probeonly flag and the the XF86Config derived from the Xconfig you used with the older XFree86. This will cause the clocks to be probed. You should replace the XF86Config clocks with the clocks reported by the probe. You should then change the chipset specification to "vgawonder".

You should not need to change your mode definitions except for those that are already driving your monitor close to its tolerance limits. You might need to change the dot clock used to one with the next lower (or higher) frequency.

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