Path: utzoo!attcan!uunet!tut.cis.ohio-state.edu!zaphod.mps.ohio-state.edu!van-bc!ubc-cs!alberta!atrc-gw!MoFH!beattie
From: beattie@MoFH.UUCP (Grant P. Beattie)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Can you speed up an old 6Mhz IBM-AT to 12Mhz?
Message-ID: <F4V1L3w162w@MoFH.UUCP>
Date: 9 Jul 90 03:41:14 GMT
References: <58011@bbn.BBN.COM>
Organization: Three Guys Productions
Lines: 8

> as one should reasonably dare.  At 10 MHz, some 3rd party cards will definite
> fail to work properly.  The solution that has been widely adopted is to run t
> bus at 8 MHz and the processor at some higher speed.  I believe that most
> (all?) 386-based ISA-bus machines do this.

Agreed. The 386-20 on my desk runs with the bus speed normally at 10 Mhz, 
but it is switch selectable to 5 Mhz (mind you, I've never had a card that 
couldn't keep up at 10 Mhz except an old EPROM programmer).