I've been building PCs since 1993 or so, never ran into this (though I remember losing a jumper a couple times!) Maybe the bugs were worked out by then. General

I've been building PCs since 1993 or so, never ran into this (though I remember losing a jumper a couple times!) Maybe the bugs were worked out by then. Generally I bought hard drives of the same brand, so that was probably it: no mixing and matching.