I removed the drive from the DNS-323 to access it on a linux box as well as through the IFS Drives interface app from within Win XP Pro. I used Ext2IFS and an external sata2usb drive enclosure.
I think you're missing the point - the crashing of the OS appears to be related to an incompatability of some sort between - I suspect - the version of Samba being used in fw1.04/1.05 and some as yet unidentified piece of software running on the Windows system.
It has nothing to do with what is on the drives or the drives themselves - so removing the drives and using them with an alternative method of connection does nothing other than provide a way to get access to the data - it is of no diagnostic value.
Since the crash only occurs with some of the systems that the original poster uses, I think it's fairly safe to say the problem is not a pure Samba/Windows incompatibility, but more one of the OS and the drivers and/or application loaded.