Bios updating and ps/2 ports + all usb ports not working
My usb ports connect and disconnect when ever i plug a usb device in, the ps/2 ports dont work at all and when i try to update the bios (have the correct roms) it says error rom id incorrect. When i first got the board there was one problem that was no sound everything checked out to be in working order but no sound minor problem used sound card. Want to see if flashing the bios will fix all but nothing ive tried works wrong rom id every time and one more problem my board has v 2.0 on it but every identifier says its either ECSP4M800PRO, ECSP4M800PR0 M or ECSP4M800PRO M 1.0 never 2.0 which it is. Would appreciate a hand thanks
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Unfortunately BIOS reset will not help you, the default setting for USB keyboard support is set to OS and you need set it to BIOS. I would recommend you to go with your mainboard to a specialized service, sometimes the problem is only a defective capacitor. If you reset your CMOS, the first boot device will be set to Floppy. You could try updating your BIOS to the latest version (maybe in that version the USB keyboard is set to BIOS) but I don't know if you can create a batch file to update the BIOS automatically, without confirmation from keyboard... The reliable solution is the technician. You can also try to connect your PS2 keyboard to the mainboard using an USB adapter but as I know in that case the keyboard is treated as an USB device...
If this is the solution for your problem, please rate my post, otherwise give us more details.
I would first test your motherboard to see if it could do this. Most motherboards nowadays automatically detect USB keyboards and mice, and allow them to be used in the BIOS.
If this isn't the case, I would update your bios with newer firmware. Boot up the computer, check the Gigabyte website for these updates, and apply them (hopefully the computer will let you continue if it can't find the keyboard) After they are applied, the computer should be able to boot from USB.
Those are my two suggestions, but they are assuming you are lucky. If neither solution works, you may need to buy another motherboard, or see if you can clean the PS/2 ports with a can of compressed air, just in case it's a dust or dirt-based blockage preventing you from using them.
Hope this helps....
There is nothing that can be easily replaced on a motherboard if your PS2 port has malfunctioned. Check your bios, if you have a setting labelled 'legacy mouse/keyboard support' make sure it's set to enabled. You should still be able to install windows while your keyboard is connected to the USB port. If everything checks out in your bios and you're still having this problem, it could be that you're using a USB to PS2 adapter, which causes some computers to glitch. Try another keyboard if you have one handy, it could simply be a compatibility issue with the windows installer.... rare, but I've been caught with it before.
As you stated the device works in one slot but not the other , tells you there is problem with that usb port , don't use those ports , best thing to do is purchase a PCI USB card if you need more USB ports .
All the USB ports were working before he installed SP3 and rebooted. After that only the mouse/keyboard ports worked. Same thing happened to me. No other changes were made, so something added/change by SP3 is the culprit.
Questions is...what did SP3 do to break USB and how to fix it?
this is a common error with operating systems and devices.
If you go into my Computer/system/device manager. And remove the installed USB devices. shutdown the computer, and reboot it. then try putting your USB device in.
What general happens, is that if you have had an older device in the USB port at any time, the port configures itself to this setting. options are to try another port on the computer ( some older ports only support usb1.1 )
ensure you have up to date drivers on the connecting device and on the connecting computer.
Hope this helps Mike @ Compurepair.
Do you have a modem plugged into phone line - is a signal on phone line causing it (unplug phone line cable to try that). Could be faulty power switch on front of computer where the contacts are only a hairs breadth apart and the slightest movement/vibration causes it to contact (try this by disconnecting those two wires from the motherboard
I'd try disconnectng any communication cables from the computer first. That would be LAN and Modem cables. If it still restarts, disconnect the keyboard and power down the PC. If it still restarts, then power down again before it is fully off, remove the mouse. If it still does it get a priest to do an exorcism
On the PS/2 mouse, chances are that the surface mounted fusible link/resistor supplying the +5VDC is open. It is normally very near the PS/2 port and marked  or labeled F???. This can be verified by measuring the absence/presence of +5 at pin 4 of the connector. In some cases, it is the I/O chip that gets damaged.
Re "only two(2)USB port" aside from the 2 rear USB ports, the Asus CUV4X-C has another pair of USB connectors that are normally connected to the front panel of the casing. It is located very near the motherboard battery.
Re "...prompting...high speed USB port...", normally by updating your OS (say XP to SP2) or downloading/installing latest VIA 4 in 1 Drivers should make your USB 2.0 compatible.
Hope this be of some help/idea. Pls post back how things turned up or should you need further information.
Good luck and kind regards.
Slim, Other than saying well it was a good couple years for the board lets just verify: Have you tried a different keyboard? Check device manager and see if you uninstall the keyboard and then reinstall it.
Or have you recently installed any new devices that may have taken the resources away from the keyboard plug? If not get a usb keyboard and make sure you info is backed up...just in case.