Fn+F1: Causes current application to lose focus; no other perceived action. It should trigger sleep.
Fn+F3: No perceived action. It should bring up a battery display.
Fn+F8: Causes the gnome-panel to start blinking a lot (several dozen times over a period of 30-60 seconds). It is the CRT/LCD button, and with no monitor connected I'd assume it should do nothing.
Fn+UP, Fn+DOWN: Brightness keys work as they should, although they only give 4 levels of brightness and I'd think they should provide more than that.
With acpi-support installed:
Fn+F1: Causes current application to lose focus; no other perceived action. It should trigger sleep.
Fn+F3: No perceived action. It should bring up a battery display.
Fn+F8: Causes the gnome-panel to start blinking a lot (several dozen times over a period of 30-60 seconds). It is the CRT/LCD button, and with no monitor connected I'd assume it should do nothing.
Fn+UP, Fn+DOWN: Brightness keys work as they should, although they only give 4 levels of brightness and I'd think they should provide more than that.