On Fri, 7 Jun 1996, Ben Hockenhull wrote:

> Date: Fri, 7 Jun 1996 13:05:47 -0600
> From: Ben Hockenhull <benh@inlink.com>
> To: port-mac68k@NetBSD.ORG
> Subject: Motorola cpus and swappability
>
> I have an old Apollo 400t that I'm upgrading to a 425t via motherboard
> swap.  The 400t board has a socketed Motorola 68030 chip that runs at
> 50mhz.
> Hmmm....I thought, Maybe I can put that cpu in my SE/30 which runs MacBSD...
> S
> So, my question is, can anyone think of a reason why I would not want to do
> this?  I assume that since its an 030 chip, just faster, there shouldn't be
> any problems but wanted to make certain before going ahead.  It sounds to
> me a lot like putting in a DayStar 50mhz accellerated chip.  Am I
> overlooking anything glaringly obvious here?
>
> Thanks.
>
> Ben
>
Typically the clock driving the chip is on your motherboard.  So
replacing your processor with a "faster" (read higher speed rated) one
will not accomplish anything.

The Daystar is most probably a small circuit board that, amoung other
things, has a faster clock mounted on it.

Greg
--
Greg Bartlett                          Automatic Data Processing (ADP)
CM Systems Administrator               Dealer Services Division, R&D
                                       2525 SW First Ave.
bartlett@plaza.ds.adp.com              Portland, OR 97201