For the sake of anybody using an Epson 740 in Tiger, I'm posting this Apple KB article.
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Jon

Mac Pro Quad 2.66 GHz, one 500 GB Hitachi HD, three 320 GB Hitachi HDs, 5 GB RAM, OS 10.5.7
Epson SP 1280, LaCie 80 GB FW drive, second internal DVD drive (Pioneer), Photoshop CS3, Office 2008,
Nikon LS 8000 scanner
Apple 23" Cinema Display