You should not have to remove the keyboard to install memory. There should 
be a door  on the bottom of the notebook where you can access the SODIMM 
slots. If both are filled, there's 256MB SODIMMs in each. My M45-S169 came 
with a single 512MB SODIMM and an empty slot.

HH


"Gary" <GParent@rocketmail.com> wrote in message 
news:T6HXf.2588$aW5.1267@trndny07...
> Please, I need some help on upgrading memory for a Satellite A45-S121.
>
> I have read the manual and understand how to install memory which requires
> the removal of the keyboard.
>
> The notebook was purchased with 512MB of memory.
>
> How do I determine if it has one slot with a single 512MB module, or 2 
> slots
> with 256MB in each slot?
>
> Thank You!
>
> Gary
>
>
>
>
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>
>