3 0x01 Apple Standard keyboard M0116 ANSI
4 0x01 Apple Desktop Bus keyboard 658-4081 ANSI
5 0x02 Apple Extended Keyboard M0115 ANSI
6 0x02 Apple Extended Keyboard II M3501 ANSI
7 0x03 Logical id for Extended Protocol
8 0x10 Apple Adjustable keyboard M1242 ANSI
11 Adjustable Keyboard media key
12 =============================
13 Media key part has different address than the main keyboard(0x02).
15 Device Address: 0x07(Appliances/Misc devices)
20 Media key ADB Code Code in Matix
21 -----------------------------------------
23 Volume Down: 0x02 0x49
27 As for these keys raw ADB codes are translate into logical codes in matrix.