Lenovo ThinkPad 770X Technical Reference Manual for the ThinkPad 770 - Page 28
Keyboard ID
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Figure 2-4. Key Numbers for the 85-Key Keyboard Keyboard ID The keyboard ID consists of 2 bytes: hex 83AB (the built-in keyboard with the external numeric keypad) or hex 84AB (the built-in keyboard only). Interrupt 16H, function code (AH)=0AH, returns the keyboard ID. 2-6 System Board
![](/manual_guide/products/lenovo-thinkpad-770-technical-reference-manual-thinkpad-770-e4225b7/28.png)
Figure
2-4.
Key Numbers for the 85-Key Keyboard
Keyboard ID
The keyboard ID consists of 2 bytes: hex 83AB (the built-in keyboard
with the external numeric keypad) or hex 84AB (the built-in keyboard
only).
Interrupt 16H, function code (AH)=0AH, returns the keyboard
ID.
2-6
System Board