[Duo2400] Memory hazzles

[Roger Gouin]

At 3:51 PM +0200 6/19/03, Klaus Schnathmeier wrote:
>I just got hold of a 40 MB memory module, which I intend to use in 
>my Powerbook Duo 280c. This machine, however, only accepts 36MB 
>modules as a maximum and if I insert this module anyhow, MacOS 
>reports a total of only 32 MB.
>I'm thinking of removing one of the 5 memorybanks on the module, to 
>convert it to 32 MB thus gaining 36 MB in total with the onboard 
>chips.
>However, I am lacking all information  about the chip pinout and the 
>module adaptor pinout and soldering without information is like 
>driving through dense fog.
>Has anyone out there got adaptor pinouts for the modules including 
>some information how the banks are organized ?
>

Yikes! Have you thought about trading with someone for what you're looking for?

Total memory in my 280c reads 24,576K in the About ..box, and with RD 
I don't have a problem with ram limits. The specific chip in there 
has pinouts for a daughter card looks like. What goes in there?

Roger,