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Here’s an interesting article from MacWorld March 1995 about the 16 MHz 68000 Brainstorm Accelerator that achieves favorable results against the 030 Classic II. The article mentions a proprietary bus accelerator: “The unique part of the Brainstorm package is the BBA. It replaces the SE's 8MHz...

Here's a pic of the SuperMac Speedcard's very effective standoffs on my SE.

Regarding upclocked 68000s, here's some data of the Speedometer 3.2 performance increase from my FDHD SE's 16Mhz 68000 SuperMac Speedcard vs. stock (I included my SE/30 vs SE Speedcard for reference as well). So I would guess that indeed a 25Mhz 68000 would be a magnitude higher in the mid- 3s...

Thanks. Yes, it's the Sony CR-44. I did a little research and in case someone else stumbles on this thread I'm including the section on testing the power supply before you reinstall in Larry Pina's Classic & SE Repair and Upgrade Secrets and adjusting the p.s. from Douglass High's 1992...

I'm finishing up recapping my SE/30's power supply. This is not my first re-cap, but my first for a power supply. Is there a way to "smoke test' this without hooking it up to the Mac's analog board? While I will double check all my replacement cap's polarity and values, I'd like to avoid...

I just want to add my support and that I will be happy to be a paying customer of this project. My SE works so wonderful with the SuperMac Speed Card 16Mhz 68000, so I agree the 68K is the way to go for compatibility. I would add it would be nice to solve the distorted sound issue that is...

Ebony and Ivory Living in Perfect Harmony

You sir . . . are a Tinkering Hero! It' s great how your family is involved. These are wonderful lessons for them.

Update - I verified the cache setting in the SCSI2SD firmware. It was not enabled so that was not the culprit, but here's the setting to ensure this is documented for others.

Excellent! Thanks so much.

In hopes of helping others I wanted to post my troubleshooting today . (OK I should be working on 'real" stuff, but the Mac is stress relief ;) On my SuperMac accelerated SE running System 6.0.8 with my Internal SCSI2SD 5.2, the PPP Control Panel crashed the mac on "Soft Close" so that the...