>In a message dated 7/29/01 4:14:14 PM, [EMAIL PROTECTED] writes:
>
><< I know the "book" says 56MB is the maximum amount of RAM you can put in a
>Duo, but"they" also tell me I can only put 512MB in my Pismo. Turns out I can
>actually use1024MB! Is it possible the 2300 can also utilize more? If so, is
>any other
>PowerBook's RAM compatible with the Duo so I can actually get a larger RAM
>module
>than the max 48MB available for the 2300? I would think any PPC PowerBook's
>RAM prior to the G3 (and possibly including WallStreet) would work. Anybody
>else tried this? >>
>
>FrankenMac is back! Break out the soldering irons!! The RAM for the 2300
>uses a unique physical interface as well as a different voltage for the
>access of the data (5V is what I remember...Sydney??), as well as having just
>one RAM socket. Hadn't thought of doing it, but you may be able to pull a
>"Palm" and piggyback RAM chips on top of the existing chips, and then run the
>clock & data lines to the controller (this is a trick that you can do on certa
>in Palm PDAs). Wouldn't be easy, and you'd probably have to start with one
>of the 48 meg ram cards. Also did that on the 128 Macs to get 256K (ok, I'm
>geezing). Anyone with a reverse-engineered diagram for the card wish to
>share it? Wouldn't mind 128 megs in my 2300!
>
>Andrew
Would it be possile to remove the original chips and replace with
higher density ones ?
One other observation: I have this sneaky feeling that some duo-simm
manufacturers made some simm cards and artificially lowered the
amount of RAM available, maybe for lower cost product. I have 2 RAM
simms for a duo from differrent manufacturer. Both seem to have the
same number oand size of ram chips, but they show different amounts
of RAM....
Mad DOg
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