ThinkPad Active Protection System accelerometer
aps0 at isa? port 0x1600
driver provides support for several
sensors found in some ThinkPad laptops.
The sensors currently exposed via the
driver first appeared in
driver was written by
driver does not yet maintain state
and subsequently does not take evasive action when it thinks the hard drive is
The Y axis on X40 and possibly other models seems to be inverted. It is unknown
how to distinguish between different versions of the accelerometer to
compensate for this in the driver at this time.
As IBM provides no documentation, it is not known what all the available sensors
are used for.