|PCKBC(4)||Device Drivers Manual||PCKBC(4)|
pckbc* at isa? flags 0x00(alpha, amd64, i386, loongson)
pckbc* at ebus?(sparc64)
pckbd* at pckbc?
pms* at pckbc?
pckbcdriver handles resource allocation and device attachment for the traditional PC/AT keyboard controller. It provides two logical connections for child devices, the “keyboard” slot for a keyboard and the “auxiliary” slot for mice (the latter might be missing in older keyboard controllers).
To avoid attaching a phantom PS/2 keyboard device, the
pckbc driver will attempt to detect USB legacy
keyboard emulation on amd64 and i386 systems. Unfortunately, the detection
heuristics may fail on older systems with a real PS/2 keyboard. The keyboard
can be forced to attach on these systems, by changing the device flags to
|September 26, 2010||OpenBSD-current|