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Pastimes : Dream Machine ( Build your own PC )

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To: Zeuspaul who wrote (4251)	12/15/1998 12:38:00 AM
From: RagTimeBand	Read Replies (2) of 14778

>>Did you get any specs or comparisons to the IDE LS120 drives or are you assuming the SCSI LS120 is faster?<< The Winstation spec sheets winstation.com show the IDE and SCSI drives as having the same Transfer Rate (450KB/sec Sustained). I haven't seen any comparisons where they run "real world" tests. AS I understand it, if a move or copy command is issued to move data between two SCSI devices plugged into the same SCSI card there is practically no load on the CPU or the PCI bus. Whereas if the data is being moved between devices that aren't SCSI or are a mix of SCSI and IDE there is a load on the CPU; additionally the PCI bus is involved. This should make the SCSI transfers faster, by how much I don't know. FWIW - I've seen reports comparing the time it takes to scan documents on SCSI 2 vs USB and SCSI 2 is faster. So, as you can see I'm currently making an assumption. And you know what they say about assumptions. :-) Emory

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