Watch the Seagate SATA! They can be a pain in the ass to set up. You may have to Zero-fill it before formating and using. Checkout out Seagate's website. I have 2 Seagate 160gig SATAs and I had loads of trouble getting them to work with a 40gig Maxtor - ok so that's a different setup tothe what you are proposing, nevertheless, be warned! And unless your mother-board has an SATA socket you'll need a pci board as well. Another problem you might get is that the PC will only recognise the 1st 100gigs or so of your hdd.

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All the Woes of a World by Jonathan Icknield aka The Bryster

And in my final hours - I would cling rather to the tattooed hand of kindness - than the unblemished hand of hate...