PI5 Tech Notes PCI card slot compatibility PI5/PO5 Gigabit Interface not recognized after installation. File wdpnp.sys needed Hardware conflict with PI5 or PO5 PCI card Hibernate and Standby cause communication failure PA5 in the right slot randomly resets to 0 PA5 Attenuation cannot be reset 'Access to path and application was denied' error message CPU usage goes to 100% when transferring data from TDT hardware to the computer PCI slot requirement for the Gigabit and Optibit Interfaces