OT USB to PS/2 adapters

Lisa Kachold lisakachold at obnosis.com
Fri Oct 5 19:04:42 MST 2012


Hi Guys!

On Fri, Oct 5, 2012 at 11:07 AM, JD Austin <jd at twingeckos.com> wrote:

> I've had that same experience with ps2 to usb adaptors; It seems the more
> expensive ones work better (electronics in the middle) but it's hit or
> miss.  I've gradually phased PS2 devices out in favor of usb devices.
>
>
> On Fri, Oct 5, 2012 at 11:04 AM, Mark Jarvis <m.jarvis at cox.net> wrote:
>
>>
>> I have a relatively new (<1yr) PC without PS/2 keyboard & mouse
>> connectors. I've accumulated 4 USB to PS/2 adapters. Three are just 6"
>> cables with a USB male on one end and a PS/2 female on the other. The
>> fourth is similar, but has a large oval-ish thing in the middle of the
>> cable. My MS ergonomic keyboard has a PS/2 connector and will not work when
>> connected using one of the three plain adapters, but will with the fourth.
>>
>> I'd like to understand a) why, and b) where to buy a couple more of the
>> adapters that do work (for another project).
>>
>> Any help from the incredibly knowledgeable PLUG-ers will be gratefully
>> appreciated.
>>
>> Thanks in advance,
>> Mark Jarvis
>>
>> <snip>

>
It has to do with the specifications between USB 1.0 and 2.0 which require
different power where the cables must also contain that capacity.

http://en.wikipedia.org/wiki/Universal_Serial_Bus

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