Subject: Re: Upgrading mac68k CPUs
To: Space Case <wormey@eskimo.com>
From: Bryan Vyhmeister <netbsd@bsdjournal.net>
List: port-mac68k
Date: 09/06/2006 14:18:02
On Sep 6, 2006, at 1:35 PM, Space Case wrote:

> On Sep 6,  1:36am, Bryan Vyhmeister wrote:
>> with a full 68040. It now has a 33 MHz 68LC040 and I want to put in a
>> 40 MHz 68040. Would that work? I am thinking it will not but I am
>> hoping it will. If that would work than I assume I could upgrade my
>> Quadra 650s to 40 MHz 68040 chips as well.
>
> You can generally replace a CPU with a faster one, so long as the
> replacement CPU's speed is equivalent to or faster than the system
> clock speed.  Replacing a 33MHz CPU with a 40MHz part will work OK
> (though the system will still be running at 33MHz unless you change
> out the oscillator too).

Understood. Thanks.

Bryan