Off Topic: can anyone recommend a USB KVM
Robert L Cochran
cochranb at speakeasy.net
Mon Jan 21 16:23:46 UTC 2008
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I've watched the posts on this topic with great interest. I wonder if
firmware upgrades for the KVMs you curremtly have are available which
improve their USB performance? The IOGear Part # GCS1762 is firmware
upgradeable and reading the product description on microcenter.com
triggered this thought.
Bob Cochran
Claude Jones wrote:
> On Monday January 21 2008 12:48:32 am Richard England wrote:
>> The IOGear KVMs I mentiioned earlier were either PS2 to PS2 or
>> USB to USB. There was no crossover. I was not aware of those
>> until it was pointed out that they exist here.
>>
>> These were NOT powered units. I've seen one Belkin multiple
>> connection externally powered unit (4 ports I believe) that
>> it, several years ago, was a right royal pain. Things just
>> never switched properly with it. Could have been that switch,
>> but it was new at the time. The newer ones, however, might be
>> better so do not take my anecdotal evidence too strongly
>> unless you are acquiring a used Belkin.
>
> Thanks for that clarification, Richard. I've got a IOGear PS2
> model that has been buried under a mound of cables behind my
> monitor stack for three years, or so, and I've never had to get
> to it because it just works. This whole problem is actually
> someone else's, my employer, and his situation is slightly
> complicated by the fact that he's got a kvm connected to his
> kvm; he's got an Avocent remote unit that is connected via CAT5
> to a KVM in our server farm, so he can do server administration
> from his office; the remote Avocent unit in his office then
> connects to a local KVM which allows him to switch between
> various computers in his office and the remote Avocent.
>
> We suspect that the issues he's having involve the USB protocols
> and how they behave. I think with USB KVM's, at least older
> units, each time you switch to a different machine, the machine
> had to redetect the keyboard and mouse as
> newly-plugged-in-devices, and this was causing issues in the
> environment in which we were operating.
>
> We're going to look at a newer IOGear unit I found on their
> website that seems to address this: "With IOGEAR's USB Sniffing
> Technology you can use your favorite USB keyboard to control all
> features of the USB KVM. The MiniView™ II USB features keyboard
> and mouse emulation so your computer never loses touch with its
> peripherals." (From the IOGear website page on the model
> #GCS124U KVM)
>
> Hopefully, the emulation will solve the issues we've been having.
> I'll report back since this seems to be an issue of interest.
>
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