>From: "D. J. Newman" <newman@cac.psu.edu>
>Date: Mon, 18 Nov 96 15:21:33 EST
>
>I just found that the problems with the com ports also go away when I
>disable cache.
>
>Is there something special that I should do to get the cache working
>(assuming that it isn't a bad motherboard in the first place).

Perhaps you have a memory-mapped peripheral which needs to have its
memory space marked non-cacheable?
-- 
Mike Long <mike.long@analog.com>     <URL:http://www.shore.net/~mikel>
VLSI Design Engineer         finger mikel@shore.net for PGP public key
Analog Devices, CPD Division          CCBF225E7D3F7ECB2C8F7ABB15D9BE7B
Norwood, MA 02062 USA       (eq (opinion 'ADI) (opinion 'mike)) -> nil