At 08:20 �� 19/2/2002 -0500, you wrote: >On 2/19/02 at 10:28 PM P Witte wrote: > > >However, all I want is an extra connector on the cable and a switch to > > toggle power to either the one device or the other, ie nothing worth > > $39 + p&p and a big box.
Well the box is not that big (5 1/4" form factor IIRC which in any case you are not using right? (Well okay maybe you are using the CD Rom) >You may not want it, but it's the only correct way to do it. Switching the >power supply will eventually do damage to either of the devices and/or the >Qubide (probably the latter) if it works at all. IDE devices are not >hot-swap, in other words, input signals should not be present when the >device is not powered up. Before you point it out: yes, there were a couple >of products that actually did this (usually 5.25" removable drive bays). You can still buy Hot-Swap IDE removable bays but be prepared to pay more than $39 (a lot more) >Ask yourself why you can't buy them any more... > >It is possible to only implement a simple select switch but not just by >adding a connector to the cable - two pins need to be switched and pulled >up to 5V when out of coircuit for both devices that are switch selectable. >Even so, it would not work unless the system is powered down (merely >resetting may not be enough) and the software detected new devices. Well I think that would do the trick for him (or me if I were looking for a similar solution). I mean it's a small "price" to pay if you don't want to spend the money. Phoebus
