I have a IIsi that doesn't work - mostly. After it's been turned off for several days, it'll fire up with its little chime, but only work for that first boot. Any more attempts to start it from then on will result in just a *click* and a small spin of the fan, then everything goes completely dead (no ctrl-command-reset works, no buttons on the back work etc) until power is removed and plugged back in, whereby trying to start it gives the same *click* and small spin of the fan.
What I'm curious about is whether the PSU from a IIci/IIcx/Q700 etc will work as a temporary plugin to check if the IIsi starts up OK. I realise the power supplies are very different shapes, but the connector onto the motherboard is very similar (perhaps even identical) at first glance. I'm hoping someone might know one way or another whether these are electrically compatible before I go hunting down the info on the connectors & power on each pin. Im heading off to sleep now, and plan to look up the info in the AM - but sending out feelers in a forum post overnight never hurts, and I might wake up to find someone's done just that before...
Ta for any info,