Hi Guys! On Fri, Oct 5, 2012 at 11:07 AM, JD Austin 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 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 >> >> > 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 -- (503) 754-4452 Android (623) 239-3392 Skype (623) 688-3392 Google Voice ** it-clowns.com Chief Clown