## Virtual Device Driver Reference for OS/2

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### Base Virtual Device Drivers

The following list contains all the base virtual device drivers included with OS/2:

Virtual BIOS device driver (VBIOS)
Virtual CMOS device driver (VCMOS)
Virtual direct memory access device driver (VDMA)
Virtual diskette device driver (VFLPY)
Virtual hard disk device driver (VDSK)
Virtual keyboard device driver (VKBD)
Virtual numeric coprocessor device driver (VNPX)
Virtual parallel port device driver (VLPT)
Virtual programmable interrupt controller device driver (VPIC)
Virtual timer device driver (VTIMER)