Reply 20 of 24, by EverythingOldIsNewAgain
wrote:50MHz is too much for PCI. I don' t even feel confident running PCI at 40MHz. Use a divider if your boards supports one (3/2 is best for 50MHz).
180MHz on the AMD chip is doable if your board supports 60MHz FSB, but not recommended as the L2 cache can't really handle it and 486 boards get too noisy to do it reliably.
What about replacing the L2 cache chips with those with tighter timings?