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Date:      Tue, 20 Mar 2001 07:25:02 -0800
From:      "David O'Brien" <obrien@FreeBSD.ORG>
To:        Andrew Gallatin <gallatin@cs.duke.edu>
Cc:        freebsd-alpha@FreeBSD.ORG
Subject:   Re: Adaptec 2940UW booting problems
Message-ID:  <20010320072502.B72327@dragon.nuxi.com>
In-Reply-To: <15031.28534.349238.376549@grasshopper.cs.duke.edu>; from gallatin@cs.duke.edu on Tue, Mar 20, 2001 at 09:55:50AM -0500
References:  <E14f2gf-000HIA-00@post.mail.nl.demon.net> <3AB673B9.A3D4811@ele.etsmtl.ca> <20010319131435.A68464@dragon.nuxi.com> <3AB6DCAC.70601@ele.etsmtl.ca> <20010319203731.A74433@dragon.nuxi.com> <15031.28534.349238.376549@grasshopper.cs.duke.edu>

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On Tue, Mar 20, 2001 at 09:55:50AM -0500, Andrew Gallatin wrote:
>  > Especially as my 164SX mobo had to have DIMMs in pairs
> I think only the PC164 (no LX or SX) requires memory installation in pairs.

Page 5-1 of the "AlphaPC 164SX Motherboard, Windows NT, User's Manual"
says:

    "Each bank consists of two DIMMs and must be fully populated."


> From what I can tell, Nor did you have a 164SX. ;)

Actually my 2nd Alpha was a PC164SX (the first was a Multia I fried).

 
> From the product brief at
> http://gatekeeper.dec.com/pub/Digital/info/semiconductor/literature/164sxpb.pdf
> it certainly sounds like a 164sx -- 1MB Bcache,

You're right about the 1MB.  For some reason I thought it was only 512KB.


> Normand, in regard to your SCSI problems.  The 2940 (and most U/W scsi
> cards) can only use 2 of their 3 connectors (2 68pin OR 1 68pin and 1

I don't believe he is violating this.  A previous message said all his
internal devices are narrow.

-- 
-- David  (obrien@FreeBSD.org)
          GNU is Not Unix / Linux Is Not UniX

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