Re: [Thinkpad] ThinkPad 600 - Does it accept PC-100 Memory ?

----- Original Message -----
From: "James H. E. Maugham" <James.H.Maugham@verizon.net>
To: "A Hood" <ahood@voodle.freeserve.co.uk>; <thinkpad@stderr.org>
Sent: Saturday, May 01, 2004 9:50 PM
Subject: RE: [Thinkpad] ThinkPad 600 - Does it accept PC-100 Memory ?

> thinkpad-bounces@stderr.org <mailto:thinkpad-bounces@stderr.org> wrote:
> >
> > I have an idea as to why this might be happening. The 440BX chipset that
the
> > 600 series uses, can only seem to handle 256MB sticks with 16 chips,
this
> > also means that each 256MB stick uses 2 banks. The 440BX can handle 2
banks
> > per memory slot. I think that the 600 might have one of the memory slots
> > shared with the onboard memory. So only one of the two slots can accept
a
> > 256MB stick properly.
>
> Excellent theory, expecially as it's true in the case of the 770 series
which is
> built on the same chipset. I've never been able to get any 770 series
machine
> above 512MB regardless of which memory I use in which slot.
>
> But I dont't think that's the case with the 600 machines as the 600E and
600X
> are easily upgraded to 544MB and 576MB respectively, and they're both
built on
> the same 440BX chipset.
>
> Regards,
>
> James
>
>

I was wondering about that too, but it's also possible that IBM decided to
change the design on the 600E so that the onboard memory gets its own bank
so that each of the dimm slots get 2 banks each.

_______________________________________________
Thinkpad mailing list
Thinkpad@stderr.org
http://stderr.org/cgi-bin/mailman/listinfo/thinkpad
Received on Sat May 1 17:04:14 2004