On Apr 4, 2005, at 7:00 PM, John Klos wrote:

>> That's correct, Michael and Matthew. I'm trying to enable the G3 
>> upgrade card
>> in the L2 cache slot. The original (and soldered on) 250MHz 603e 
>> works just
>> fine. I realize that these cards are a major hack, and it may not be 
>> possible
>> to get it to work, but it'd be nice to have the slightly faster 
>> machine if
>> there's a way to do it.
>
> There's a problem, I think. All of the L2 cache slot CPU accelerators 
> were
> automatic, since they cause the native processor to float. No 
> accelerators
> that I know about boot using one CPU, then switch somehow to another -
> that'd be a complicated mess of code to rearrange the MMU tables and 
> stuff
> like that after the OS has booted and all of that.
>
> So make sure your L2 accelerator is seated firmly, with nothing 
> blocking
> the socket, and see if it makes a difference. If it doesn't, you might
> have a defective accelerator or motherboard.
>
> John
>
>

The card works in MacOS, though I haven't booted off the MacOS drive 
since I started trying to get NetBSD to work on the machine (too much  
munging with OpenFirmware variables to make dual-booting easy).
I'll check, though.

  -Adam