On Tue, 2009-05-19 at 10:42 -0500, Jud Craft wrote: > Logitech wave multimedia keyboard here, L+R shift + t doesn't work. > L+Rs + r does work. > > Maybe it has something to do with the wiring of the keyboard (even on > nice keyboards), that only certain groups of keys can send so many > signals at a certain time. This is essentially it. Here's some references... http://www.dribin.org/dave/keyboard/html/index.html http://www.extremetech.com/article2/0,2845,2301151,00.asp this is usually a case of 'keyboard blocking', where certain combinations of three keys pressed together are prevented from doing anything in order to prevent 'keyboard ghosting' from happening. Some high-end keyboards use the diode solution suggested by the first article to prevent keyboard ghosting from being a problem, and hence don't implement keyboard blocking, so all combinations of three keys should work on these. Some keyboards also use a buffering system - Steelseries keyboards claim to allow you to press every key on the keyboard simultaneously... http://www.amazon.com/SteelSeries-64022-7G-Keyboard-Black/dp/B000W6IY6O -- Adam Williamson Fedora QA Community Monkey IRC: adamw | Fedora Talk: adamwill AT fedoraproject DOT org http://www.happyassassin.net -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
