First hit in fact. We found the converters (we tried several brands) were doing some subtly "unusual" things with both the signals and the serial port registers. The mouse (a logitech marble scroll) didn't work at all. if they have a classic ibm model m or the like then its well worth the investment. Mar 3, 2014 #1 Hello. I am using Windows 8.1 pro, if that makes a difference. Most available ps2 to USB converters are simply passive device that only change the plug shape ; no specific software drivers are involved. There shouldn't be any drivers as those work on a plug n' play basis. It was $29 so it wasn't cheap, but it allows me to use my precious Model M on my new Powerbook. I know, I wasn't criticizing. I'm afraid of uninstalling all the USB controllers because I don't want to make matters worse. Seems that some chipsets have function-specific ports, others do not? I bought from eBay two of these ps/2 to usb -adapters which I hoped to connect my ps/2 mouse and keyboard to my laptop that doesn't have any ps/2 ports. If the keyboard is truly USB-only or PS/2-only, then you need a bulkier active adaptor … (One note about the schematic is that is has the clock and data pins to the PS/2 port backwards.). I tried to dissect one at work, and sucessfully cut off the rubber s. I bought a cheap ($25 or less) belkin converter so I could hook my laptop into my KVM (ps/2 unit). I was wasting too much time and ended replacing the keyboard with a USB one. USB is well defined and RS-232 is ancient (and well defined). Keyboards that support both USB and PS2 have circuitry that support both protocols. "What if" is a trademark of Hewlett Packard, so stop using it in your Your easiest answer might just be to replace the keyboard and skip the adapter. Fingers, I am typing on a Microsoft Internet keyboard pro that is PS/2 connected and also has a USB connection that serves as a port. Keyboard/Mouse not working in W7 install? Change the settings to ONLY accept Windows and Possibly MS software updates. I bought a cheapie keyboard/mouse adaptor from Fry's. The adapter doesn't do any of the neccesary protocol conversion, it just let's the keyboard's internal dual-mode PS/2 and USB logic talk the right way to the PC. Refer this article. official But the article seems to be asking about going PS/2 keyboard -> USB port, which I've never tried. I have a Trackman Marble FX (best trackball ever, I love them) and it's an old PS2 piece of hardware. Comments owned by the poster. A well-designed active ps/2 to USB converter will use the built-in operating system drivers for a USB keyboard (for example in Microsoft Windows XP, kbdclass.sys and kbdhid.sys). You have helped and solved many of my questions through the years. The mouse works perfectly, but the keyboard refuses to work. However, when using a simple PS/2-USB-adapter that does not do protocol-translation, your keyboard must be able to understand USB. After each method, check if problem is fixed. What the hell kind of question is this? MS sometimes pushes hardware drivers that are not fully compatible or do not have all the features of the original drivers. >> Have I made myself clear? It's how I run a Sparc and a G4 on my console switchbox. If that particular converter hasn't been tested with your model keyboard, by the manufacturer, it may have problems. N. n0thing15. It's a freakin' adaptor sometimes they work sometimes they don't.