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Home Forums 68040 33mhz versus 25mhz — #3 68040 33mhz versus 25mhz — #3
Post #3 by Byrd
Source Forum68040 33mhz versus 25mhz — #3
CategoryTroubleshooting
Post DateMon, 5 Jan 2015 - 19:38
Original URLhttps://68kmla.org/bb/threads/68040-33mhz-versus-25mhz.975/
Post
I've never had any problems clocking an '040 25Mhz part to 33Mhz in several overclocked Macs, just put a small thin heatsink on top.  I didn't think you could adjust the LC575 board by resistor relocation - you needed to replace the oscillator - I suspect this is for an LC580 board?

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