Entry: | ES:DI | Pointer to System BIOS Plug and Play Installation Check Structure (See Section 4.4) |
The following registers will only be initialized for Plug and Play ISA devices: |
BX | Card Select Number for this card, FFFFh if this device is not ISA Plug and Play. | |
DX | Read Data Port address, FFFFh if there are no ISA Plug and Play devices in the system. |