[Duo2400] Duo PowerPC Upgrade?

[Tom and Lisa P]

>I have some questions regarding the PowerPC upgrade Apple offered to
>Duo 2xx series owners.  Is there any difference between the official
>upgrade and just swapping in a 2300c logicboard?  With the official
>upgrade did the upgraded Duo appear as a 2300c in the About This
>Macintosh dialog box for instance?  If I upgrade a 250 with a 2300c
>logicboard do I get an increase in the number of shades of gray
>displayed on the LCD or does it still have just 16 shades like a
>non-upgraded 250?  Finally, has anyone made a webpage showing how to do
>this upgrade or does anyone have the service manual PDF they can email
>me?  Thanks for your help.  I appreciate it!
>
>Phil
>

The motherboard swap is it.  The 2300 motherboard will not increase 
the # of colors/greys on your screen.

If you cant find the manual, I can email it to you if you can take 
large attachments.

Mad Dog