B184.108.40.206.3 When switching on-the-fly from MS-DOS-based applications to Windows.
B220.127.116.11.4 Plug and Play Device Manager validates serial devices.
B18.104.22.168.5 See B1.4.12; A22.214.171.124
Mobile PC Notes:
B126.96.36.199.6 Mobile PC external PS/2 pointing device detected at boot and installed correctly.
B188.8.131.52.7 Mobile PC internal pointing device disabled or dual operation enabled if external device is PS/2 -compatible.
The required default BIOS option is to provide an option to disable the internal pointing device when any external PS/2-type pointing device is detected at startup. In this case, the driver for the internal pointing device must not load.