I wrote:
I've had a look at the source for xosview and I don't see how
it can
possibly be giving sensible values for disk activity.
This has been fixed in the development repsository (xosview-1.8.0-21).
I did notice that the battery meter only works with APM, not ACPI, so
I've submitted a patch for that.
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=124896
Ron