Re: KVM switch
philo <[email protected]>
| Newsgroups | alt.comp.hardware |
|---|---|
| Organization | A noiseless patient Spider |
| Message-ID | <[email protected]> |
On 8/26/21 11:01 AM, Paul wrote: > Adrian Caspersz wrote: >> On 26/08/2021 13:27, philo wrote: >>> I have two machines in my office and have been using a kvm switch for >>> years with no problem. I recently replaced one of the machines and >>> confirmed the KVM was working ok. >>> >>> The next day however the KVM did not activate on the previously >>> existing machine. >>> >>> I tried a different KVM switch and the same thing happened.It worked >>> initially but after both machines were switched off and back on...it >>> would not switch over. >>> >>> >>> In all instances I could switch back OK to the other machine. >>> >>> Kind of a PITA to have two KB and two Mice on my desk >> >> One of mine steals power from USB to function, so check if you have a >> BIOS option that allows that when a machine is powered off. Or use an >> external power supply? >> > Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â |\ | > Â Â VBUS_Side1 ---| >|-----+-+------ KVM_power > Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â |/ |Â Â Â Â | | > Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â | | > Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â |\ |Â Â Â Â | | > Â Â VBUS_Side2 ---| >|-----+ | > Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â |/ |Â Â Â Â Â Â | > Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â | > Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â |\ |Â Â Â Â Â Â | > Â Â Barrel_+5V ---| >|-------+ > Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â |/ | > > I would prefer a product that has a separate barrel > input connector for the DC power the product needs. > The structure above is Wired-OR input power. > > There is actually a small problem with KVMs, in that > the safety-ground on the two computers, could be > at different potentials, and then you'd have to > figure out what to do about the grounding issues. > I've never had a problem at home here with this, > but did have problems at work (very large building). > > Â Â Paul Thanks folks> One of my KVM's has an external power port so I am going to keep it powered and see if that works.