[Duo2400] Memory hazzles

[Paul Nelson]

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 ?

	Why trash a good 2300 memory module to get a half assed module to
sort of work in a 280c? 	It probably won't give you any more than
the 28 MB you're reading already, anyway.  Sell it to someone with a 2300
who can use it, and buy a good one for your 280c, IMNSHO.
Paul