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Date:      Mon, 28 Jul 1997 13:54:48 -0700 (PDT)
From:      Tom Samplonius <tom@sdf.com>
To:        Jim Dixon <jdd@vbc.net>
Cc:        hackers@freebsd.org
Subject:   Re: MAX physical memory for FreeBSD ? 
Message-ID:  <Pine.BSF.3.95q.970728135153.25489A-100000@misery.sdf.com>
In-Reply-To: <Pine.BSI.3.91.970728210925.26615B-100000@avon-gw.uk1.vbc.net>

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On Mon, 28 Jul 1997, Jim Dixon wrote:

> On Mon, 28 Jul 1997, Tom Samplonius wrote:
> 
> > >   panic: bouce memory out of range
> > 
> >   Do you have bounce buffers in your kernel?  You probably shouldn't,
> > unless you have ISA devices that require DMA.  But who would use ISA
> > devices in a large server?
> 
> The only "ISA" devices are a floppy drive and an IDE drive.  And,
> yes, bounce buffers are enabled.

  Turn them off.  You don't need them.

> The server has a lot of memory (we are building it with 384 MB) but
> should only hit the disk during once-daily reloads.

  Ugh... all IDE drives have poor MTBF ratings...

> --
> Jim Dixon                  VBCnet GB Ltd           http://www.vbc.net
> tel +44 117 929 1316                             fax +44 117 927 2015
> 
> 
> 

Tom




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