The PCCard and CF Card interfaces are identical from a signal and protocol point of view.
The PCCard driver needs to be disabled if no hardware environment is present (For example on the Protea carrier board, or on customer developed baseboards).
Any PCCard / CF Card has the option to slow down the system bus by pulling the PWAIT signal low. If the CF card interface is not implemented, the customer baseboard must either
You can disable the driver by changing the value in the registry.
You must save the registry to make the changes persistent.
For more registry settings see: CF card registry settings