On Sunday, April 10, 2011 04:30 AM, John R Pierce wrote: > On 04/09/11 8:11 AM, Christopher Chan wrote: >> On Saturday, April 09, 2011 10:47 PM, Drew wrote: >>>> The key is the backplane, not the drives. You should be able to get u320 >>>> speeds if you have enough u160 drives. >>> Does five drives count? >> I guess that depends on whether they can flood an u320 bus. If they are >> 10k/15k rpm drives, I'd think so... > > > Ummmm. say huh? if any one device on a SCSI channel is U160, the whole > channel has to run no faster than U160, thats all she wrote. its a > single bus not a 'star' like SAS or SATA. > OH, is that how those babies work? The backplane is not using a controller chip that mutiplexes the stuff? Oops, sorry.