Press and hold the Left Ctrl and Shift keys, then press the
Hold key. This brings up a test screen with characters and a keyboard
(like those used in PS/2 diagnostics).
The 8x2 combination above the left side of the on-screen keyboard is the
Keyboard ID.
KB Type KB ID
US English 10111111 10111111
(W/numeric keypad)
US English 10000001 10000000
(W/o numeric keypad)
Content created and/or collected by:
Louis Ohland, Peter Wendt, David Beem, William Walsh, Tatsuo Sunagawa, Jim Shorney, Tim Clarke, Kevin Bowling, Tomáš Slavotínek, and many others.