Gareth Howlett wrote: > > > We've got a number of computers sitting around the office that don't > detect PS/2 peripherals when plugged-in. If they were plugged-in during > boot they work just fine, but if they were plugged-in after boot they don't. > > 1) Anyone here ever heard of this before? > > 2) Is there anything I can do about it (force a kernel re-detect?) > > > > I've checked the BIOS settings and I'm using FC4 (2.6.12-1.1447). Dmesg > and /var/log/messages don't display anything relevant (in the after-boot > case). > First of all, most (all) PS/2 devices are not designed to be hotplugged. Depending on the BIOS, it may disable the PS/2 mouse connection if there is not a mouse plugged in at boot. There may be a BIOS setting for this. But if I remember correctly, this is a choice of off or auto. Depending on your hardware, you may also be running the risk of destroying the PS/2 device or motherboard circuitry. Mikkel -- Its likely that you have blown the ps2 ports by hot plugging. The bios will only report whats plugged into them durring the post test, so if you plug in a mouse or key board after the post test has finished the biosdoes not see them -- They aren't blown... just unresponsive until after reboot. I had imagined it was much like Mikkel said but I wanted to confirm my suspicions. It's really too bad there isn't a way to ask BIOS to search again. Anyway, no big deal - I figure we've got two options... - Live with it. - Find a PS/2 adapter which always shows a peripheral connected (I know they exist for monitor connections). And a note for next time - make sure we have enough PS/2 ports and base our KVM on it as well. - Gareth
