I do not disconnect the cable and it works without issues on other computers, else I would not have started this thread. Please stop trying to lead this in a wrong direction. Still in contact with MSI support - if they bring a solution I will post an update.Ĭlick to expand.But my PS/2 keyboard does not lose the connection. I have not tried is the keyboard works after using the reset button on the case - that will be the next experiment. Having to reboot after power off is annoying and I can imagine scenarios, where reaching the reboot option in Windows might not be possible.
Reboot, now BIOS can be reached pressing DEL and if going into Windows the keyboards also works for log in and so on (I am typing this on my Model M). 
Once Windows lock screen is reached, use the USB mouse to select reboot. I have also been in touch with MSI support that got back to me and suggested I try the beta BIOS, this however changed nothing and I suspect that is just standard procedure(I wasn't keen on installing a beta BIOS, but since they suggested.). It turns out that after rebooting the keyboards works perfectly and this goes for both BIOS and also Windows. The keyboard did not work in BIOS, so not just a Windows issue.ĭoing some further testing I have however found a solution of sorts. I don't see a way to enable or disable the PS/2 port in the BIOS. Suggestions are most welcome - I really want to use my Model M.Ĭlick to expand.Thank you for the suggestions - and the good luck. An earlier release BIOS, version 7C35vA5, had in the description that it " Improved PS/2 KB/Mouse compatibility." so clearly an issue is/was known only there is still an issue.Īlso searching the forum I did find another user reporting the same issue, only it is with the Tomahawk X570 still I gotta wonder if there is a family issue.įorum thread about the Tomahawk and its PS/2 keyboard issue. In an attempt to remedy the issue I have updated the BIOS to the latest non-beta version, but the 7C35vA8 did not change anything. When powering up the three LED's flash on the keyboards as normal, but apart from that nothing works so clearly the motherboard is not reacting to any use of the keyboard. So really it is keyboards that are as standard as can be. One I have been using for years on other systems with no issues and the other being a "new" taken straight out of the original box, same issue with both. I am trying to use a IBM Model M keyboard and I have tested with two different ones. I have an issue where my PS/2 keyboards are not working with the Unify X570 keyboard.
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