On Sat 26 Mar 2016 at 22:44:36 (+0000), Lisi Reisz wrote: > On Saturday 26 March 2016 21:50:42 Felix Miata wrote: > > As long as PS/2 ports have existed, it's unfathomable that BIOS makers > > apparently still have not figured out how to have either port support a > > keyboard at POST time. Instead, many, or maybe most, have taken to > > providing only one, or none. > > I didn't know that the "wrong" one worked in the OS!! I last put the mouse > in > the keyboard one, and vice versa, in the days before they were colour coded, > when such errors were almost inevitable, and the result was that neither > worked in anything. So it didn't really matter, one just switched them > round. Since then I have been fanatically careful - and the colours make it > so easy. It is a revelation to me that a keyboard in the green PS2 > connection will work at all!!
It all depends on the age of the motherboard. Another facility that's been around for years is running both a mouse and keyboard through a single PS/2 socket with a Y-connector. Cheers, David.