Re: [Thinkpad] CPU Upgrade for 770Z - Anyone Tried PIII 500MHz after Switching 64MB Onboard Memory to 100MHz?

NOW WAIT A MIN
If the onboard memory is mapped out, then shouldn't you be able to put that
upgrade CPU in without removing the on board memory?
----- Original Message -----
From: "James H. E. Maugham" <CaptJHEM@waterw.com>
To: "Brian Hougaard Baldersbaek" <brian.h.baldersbaek@stofanet.dk>
Cc: <thinkpad@stderr.org>
Sent: Thursday, September 04, 2003 8:34 PM
Subject: RE: [Thinkpad] CPU Upgrade for 770Z - Anyone Tried PIII 500MHz
after Switching 64MB Onboard Memory to 100MHz?

> Brian Hougaard Baldersbaek wrote:
>
> > Hi James.
>
> Hiya cousin,
>
> > Is this correctly understood of me ?
> >
> > 128 MB PC100 on the systemboard. Memorybank #1
> > 128 MB PC100 in the free slot with one memorybank. (#2)
> > 256 MB PC100 in the free slot with two memorybanks. (#3 and 4)
>
> Yes and no. Yes, that's _one_ configuration that worked on the 770Z, but
you
> can also get 512MB by installing two PC100 256MB sticks, in which case the
> "onboard" memory is mapped out.
>
> > And the 256MB stick from 600X (FRU# 33L3069) only works in slot-2
> > (Bank #3 and 4) and neither on the systemboard nor in slot-1,
> > where only 128MB will be recognized ?
>
> This is something we've discussed for years on the Thinkppads.com forums,
> but I've never been able to wrap my head around it. Nor have I seen any
> indication of a "special" memory slot on the 770Z when I was initially
> upgrading mine years ago with 128MB sticks and then 256MB sticks. If the
> memory worked in one of my 600Xs or early T machines, it worked in my
770Z.
>
> > Yes, I'm very interested in these aspects of upgrading the 770Z.
> > Right now I'm saving up money to exchange these two 64MB 66MHz
> > sticks, that my 770Z have had since birth.
> > But in Denmark the two original IBM memorysticks I'm on the hunt
> > for (FRU# 33L3069 and 20L0255) are very expensive.
> > 1450,- Kroner ($210) for a 256MB and 800 Kroner ($115) for a 128MB
stick.
>
> $420 for two pieces of 256MB!!!! Geeze, I could almost hand deliver two
for
> that price!
>
> Must be something we could do about that, let me know if you want me to
get
> some and send them to you.
>
> > > right after my daughter's wedding! ;-)
> >
> > Congratulations, James. :-)
>
> Thank you. The wedding isn't until 1NOV, but it seems to be consuming all
of
> our time already. (It's certainly consuming all of our money!)
>
> Ah well, one daughter down soon and one to go. Anyone want to adopt me to
> keep me from the poorhouse?
>
> Regards,
>
> James
>
>
>
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Received on Thu Sep 4 22:11:40 2003