I want to upgrade my Satellite laptop's OS from XP Home (the default 
version that came with the machine) to XP Pro.

Can I just run standard upgrade software, or do I need a 
machine-specific upgrade (so that I don't overwrite the native drivers 
or Toshiba-specific software)?

If it's the former (i.e. standard upgrade), will the upgrade retain the 
current drivers and software on my current setup, or will I need to 
source them again?

Also I've read online that the SmartMedia Host Controller can prevent 
smooth installation 
(http://209.167.114.38/support/TechSupport/TSBs/ALL/-TSB000754.htm)

Is this a known issue? Is there anything else I need to watch out for?

Thanks in advance,
Peter
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fiddlewidawiddum