Monoprice PS/2 to USB "Converter Adapters" are on sale for $1.99 (reg. $6.49) on both Monoprice.com and Amazon US. Looks like Amazon UK has them on sale at £5.44 (reg. £7.99).
I'd say this product has worked for about 5 of 7 or so AT-based keyboards I've tried it on.
Monoprice Sale
- hellothere
- Location: Mesa, AZ USA
- Main keyboard: Lots
- Main mouse: CST2545W-RC
- Favorite switch: TopreAlpsHallEffectTopreAlpsHallEffectTopreAlps
- thefarside
- Location: United States
- Main keyboard: IBM 4704 F107
- Main mouse: Old, boring Logitech
- Favorite switch: Buckling spring
Thanks for the notice! This is an active adapter which is needed on some older keyboards.