APC UPS control system manual You should get, Where you should get, Or perhaps something like

esr@grelber$ cat /proc/bus/usb/drivers

and you should get:

usbdevfs hub

96-111: hiddev hid

On Linux-2.6.x, make sure the sysfs filesystem is mounted on /sys and do:

adk0212@mail$ ls -l /sys/bus/usb/drivers/

where you should get

total 0
drwxr-xr-x	2	root	root	0	May	1	18:55 hid
drwxr-xr-x	2	root	root	0	May	1	18:55 hiddev
drwxr-xr-x	2	root	root	0	May	1	18:55 hub
drwxr-xr-x	2	root	root	0	May	1	18:55 usb
drwxr-xr-x	2	root	root	0	May	1	18:55 usbfs

or perhaps something like

total 0
drwxr-xr-x	2	root root 0 Jan		6	15:27 hiddev
drwxr-xr-x	2	root root 0	Jan	6	15:28 hub
drwxr-xr-x	2	root root 0	Jan	6	15:28 usb
drwxr-xr-x	2	root root 0	Jan	6	15:27 usbfs
drwxr-xr-x	2	root root 0	Jan	6	15:28 usbhid

If your 2.6.x system does not have the /sys/bus/usb directory, either you do not have sysfs mounted on /sys or the USB module(s) have not been loaded. (Check /proc/mounts to make sure sysfs is mounted.)

A USB UPS needs all of these drivers – the USB device filesystem, the USB hub, the Human Interface Device subsystem driver, and the Human Inter- face Device driver. If you are compiling your own kernel, you want to enable

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