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Keyboard not working with PS/2

Posted on 2013-06-28
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Last Modified: 2013-06-28
I just got a CM storm quickfire rapid. It comes with an adapter for USB to PS/2, and when I tried to use it to plug the keyboard into the PS/2 port on my computer, it did not work... no lights, nothing. It works fine through USB, but I would rather use PS/2 because I need the N-key rollover.

Not sure what the problem is.

Thanks for your help!
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Question by:TheDetective
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by:☠ MASQ ☠
ID: 39285116
Are you getting anything through the PS/2 at all?
Did you boot the machine with it connected to PS/2?  Windows often won't plug & play PS/2
if it's not connected at boot.

It's a standard (good quality Filco) board in CM clothing but it should work with the PS/2 adapter out of the box.

- and agreed - for gaming you really will benefit from NKRO - you don't want to lose because the seventh key you pressed on a USB board didn't get recognised :)
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by:TheDetective
ID: 39285185
Nothing through PS/2. No lights or anything.

 I booted with the keyboard connected to the PS/2 port and it still didn't work.

 I tried looking around in my BIOS to see if the PS/2 ports were disabled or something, but I couldn't find a PS/2 option anywhere. Maybe I just didn't look hard enough, or maybe there is no option.
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Expert Comment

by:☠ MASQ ☠
ID: 39285247
What's the motherboard?
Do you have a PS/2 mouse you could plug in?
Do you have another USB->PS/2 adapter?

This is the best you'll get in Device Manager
View - Devices by type ...
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Author Comment

by:TheDetective
ID: 39285296
My mobo is the ASUS M5A99FX PRO R2.0.

I do not have a PS/2 Mouse or another USB-PS/2 adapter

It just shows "HID Keyboard Device" under Keyboards in my device manager. I'm assuming it's not supposed to show the keyboard unless it's plugged in, right?
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Accepted Solution

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☠ MASQ ☠ earned 500 total points
ID: 39285341
You'll need to enable Fast Boot on the motherboard, then you'll see an option to enable the PS/2 ports - by default they are disabled in the BIOS.
http://dlcdnet.asus.com/pub/ASUS/mb/SocketAM3+/M5A99FX_PRO_R20/E7472_M5A99FX_PRO_R2.pdf
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by:TheDetective
ID: 39285401
Thank you! That worked perfectly!
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