00 PNP0000 AT programmable interrupt controller 01 PNP0200 AT DMA controller 02 PNP0100 AT system timer 03 PNP0b00 AT real-time clock 04 PNP0303 IBM enhanced keyboard (101/102-key, PS/2 mouse support) 05 PNP0800 AT-style speaker sound 06 PNP0c04 Math coprocessor 07 PNP0c01 System board 08 PNP0c02 Motherboard resources 09 PNP0a03 PCI bus 0a PNP0c02 Motherboard resources 0b PNP0501 16550A-compatible COM port 0c PNP0700 PC standard floppy disk controller 0d PNP0400 Standard LPT printer port 0e PNP0501 16550A-compatible COM port