I would like to thank you all for your help.

I just took a quick glance at the following website:
http://www.memory-configurator.com/TOSHIBA/Satellite/Satellite-Pro-6100.html

and found out they have memory modules available for my notebook.
They offer Trascend components. Is it a reliable RAM manufacturer?

What  do you think about the website. Have you ever had experiences with 
this company *Memory Configurator*
They are based in Ireland and the prices seem affordable. I hope their 
services will not be disappointing...

Let me know your thoughts.

Thanks a lot for your patience.

cheers
--
Davide

"Davide Montellanico" <latinsoul@my-deja.com> ha scritto nel messaggio 
news:443bbff2$0$36928$4fafbaef@reader3.news.tin.it...
> Hi all,
> I would like to upgrade RAM memory for my Toshiba Pro 6100 laptop. I have 
> 512 Mb installed and I would like to reach 1Gb of RAM.
> Can I upgrade it using two 512 Mb modules? *Toshiba PA3164U-1M51* Are out 
> there some other good manufacturers apart from Toshiba? I was thinking 
> about Kingston, what do you have to suggest me about?
>
> Is it a good choice to purchase RAM modules that have an higher speed than 
> the default ones *I mean switching from 266Mhz to 333Mhz of speed* :
>
> http://www.ec.kingston.com/ecom/configurator_new/partsinfo.asp?ktcpartno=KTT3311/512
>
> TIA
>
> --
> Davide Montellanico
>