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ALIPM(4) Device Drivers Manual ALIPM(4)

alipmAcer Labs M7101 SMBus controller

alipm* at pci?
iic* at alipm?

The alipm driver provides support for the Acer Labs M7101 Power Management controller. Only the SMBus host interface is supported and can be used with the iic(4) framework.

iic(4), intro(4), pci(4)

The alipm driver first appeared in OpenBSD 3.9.

The alipm driver was written by Mark Kettenis <>.

The driver doesn't support commands with a data buffer size of more than 2 bytes.

July 16, 2013 OpenBSD-7.1