[geeks] attention (old) mac geeks: pds/nubus/l2 cache questions

[Joshua D Boyd]

On Thu, Jun 13, 2002 at 02:26:45PM -0400, alex j avriette wrote:
> so i have my ancient quadra 660av here (with plans to rescue my se30 in 
> the future). i've got some questions about its hardware.
> 
> first, it seems reasonably easy to overclock it to 29mhz (from 25). has 
> anyone done this? a friend overclocked his IIsi and said it was fun and 
> worth it.
> 
> second, i see a 128k l2 cache board available. this appears to use my 
> PDS slot. I had hoped to be able to find strange nubus cards on ebay and 
> play with them. is there no way to use the l2 cache and a nubus adapter? 
> also, if i get the l2 cache, but dont actually use macos (at the moment 
> I am pondering booting macos 7.6.1 and openbsd), will other operating 
> systems make use of it? i'm not sure how that works.
> 
> third, would it be possible to move a faster cpu into the same board? 
> i.e., i just replaced my ipx cpu with a weitek unit. would it be 
> possible to get a 40mhz cpu out of an 840av and just plunk it in there? 
> what other upgrades are available?
You can swap in a 6100 board.  There are also various PPC accelerators
available.  I don't think any of it is likely to be worth it.  You
might have fun dropping in a SPAV board (usually $10 on ebay) though.

-- 
Joshua D. Boyd