On Friday 10 February 2006 22:23, Jeff Vian wrote: > > This sounds a lot like some things I have encountered. > > First one very critical question... What type of ribbon cable are you > connecting the drives with? Cable select or not. > > Almost all new drive cables are cable select cables. They usually have > a colored connector at the board end, a grey connector in the middle > (slave) and a black connector at the drive end (master). > Interesting - I have never heard of them being called CS cables, but your description is exactly what I have - an 80-wire ribbon cable matching your description. > If you are jumpering the drives any way except as cable select (cs) then > you may encounter problems when using them on a CS cable. You *will* > encounter problems if a drive jumpered for master is connected to the > slave connector, and vice versa. You *may* encounter problems with a > drive jumpered as master and connected to the master connector or when > jumpered as slave and connected to the slave connector (I have seen this > myself). > I've never used CS - I've never been comfortable with the idea - but the black is connected to hda and the grey to hdb, so they are the correct connections. I always understood that jumpering overrode CS, but perhaps you are right, and it is now necessary to use CS. Thanks for the suggestion Anne