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Motherboard_USB_Microcontroller_Problem

ayham

Right off the assembly line
Hi,


We have worked before with an EDV equiped with "p5q socket 775" asus motherboard, we have also our customized printed circuit based on HCS08 microcontrolleur. We used to make an usb communication between the motherboard and our customized board. (usb v2.0)

A several days ago, we have changed the old motherboard with a new one which is "p8h67 socket 1155" asus motherboard, with this new board we have found a problem of communication with our customized board by using the usb v2.0 protocol. In fact,sometimes the EDV didn't detect our customizd board.

So what could the problem?

I'm waiting for you suggestions.

Regards,
 
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