the blizzard 1230 iv can reach 66mhz stable depending of the 030 revision and the memory module inserted, the fastest memory inserted the better chance to be stable at such speed, anyways forget to use the scsi kit at such speed
around 1999 I had a blizzard 1230 iv overclocked at 66mhz so I can confirm it works stable, then I sold that turboboard and I purchased an apollo 1240/40 mhz which I overclocked to 50 mhz using a 100mhz crystal and was stable using a 32mb simm
such apollo was fast as the 060/50mhz excepting in fpu which was a bit slower
then in 2005 I sold that apollo for 650 u$ and I purchased a tra1200 for 50u$ which is the fantastic turboboard still I'm using
Last edited by Mrz; 26 July 2019 at 08:47.
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