On Thu, Feb 17, 2005 at 09:44:51AM +1030, Greg 'groggy' Lehey wrote: <snip> > Recall that there are no real hardware RAID controllers on the > market. The difference is whether you have a special processor on the > controller card or not. To determine which is faster, you need to > compare the hardware on the card and the hardware in the system. </snip>
If I understand the DPT manual correctly: My cards have a motorola 68000-based cpu. The "faster" smartraid cards have motorola 68020-based cpus as well as much larger cache. My card has a max transaction rate of 20MHz. It sends 2bytes down the wire per clockcycle (SCSI DDR? LOL) so it has a max througput of 40Mbps. -- Peter C. Lai University of Connecticut Dept. of Molecular and Cell Biology Yale University School of Medicine SenseLab | Research Assistant http://cowbert.2y.net/
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