Quick and simple answer .. Part of the startup process is to talk to the drives using simple programmed i/o to see what is there.. My best suggestion of what you saw was that the diagnostics reply wasn't as expected, or didn't complete, thus hanging the io bus. Cheers. John Stop press! Just announced - guaranteed cheapest mobile tariffs Interested? Call me John Ballance 07976 295923 www.ucallusave.co.uk For great customer service, have a look at this French & Saunders clip... Good stuff? <a href="http://www.uwdcvideos.co.uk/index.taf?exref=095761&v=6"; target="_blank"> On 17 Jun 2011, at 11:16, Tim Hill <tim@xxxxxxxxx> wrote: > > Well, for one I couldn't report the problems I was having as a hard drive > failure prevented the POST from completing and resulted in a non-working > Iyo. All is fixed now, thanks to the prompt action of CJE. Thankfully it > turned out not to be the Boot drive which was dead, as I thought. > > This does beg a question: why does a machine which can run with just the > modules in ROM need to have (a) hard drive(s) which work(s)? Wouldn't it > be better if the machine started with an appropriate error message if it > finds the configured drive(s) inaccessible? The equivalent of an > automatic shift+boot if you like. > > In my case I had two drives (4 & 5) and 5's bearing failed (I think). > There was nothing wrong with 4 so why didn't the machine start with that > and just tell me 5 was broken? I know it sort of does that if both drives > spin up properly because drive 5 had actually failed (with a head crash?) > some time ago and didn't appear on the iconbar and I just never got round > to removing it. Forgot about it, actually. I had no choice but to replace > it now! As it was seven years old I am not surprised. > > (Delighted to find, by the way, that there was nothing like the dirt > inside this Iyo than there was in PC towers I took apart to replace GFX > cards. I never knew: more fans = more dirt inside. They're obviously > designed to suck dirt in and blow only air out! Apart from heating the > room there is another use for a PC's PSU exhaust: I attach a cardboard > tube with a muslin cover and dry herbs in it. Makes the office smell nice > too. :-) And yes - before I get told off - I do monitor the thing's > temperatures when I do that and it seems to make no difference.) > > -- > Tim Hill Ba > ................................................... > tjrh.eu > --- > To alter your preferences or leave the group, > visit //www.freelists.org/list/iyonix-support > Other info via //www.freelists.org/webpage/iyonix-support > List-related queries to iyonix-support-moderators@xxxxxxxxxxxxx --- To alter your preferences or leave the group, visit //www.freelists.org/list/iyonix-support Other info via //www.freelists.org/webpage/iyonix-support List-related queries to iyonix-support-moderators@xxxxxxxxxxxxx