Yes, Microsoft wireless desktop 3000 keyboard/mouse combo will work with CS1792 and CS1794, by modifying the KVM settings:
1. Connect a wired keyboard/mouse to port 1 of the KVM
2. Place your first finger on the [Num. Lock] key on the number pad
3. Place your ring finger on the minus [-] key
4. Press down and hold the [Num. Lock] key
5. Press and release the [-] key
6. Release the [NUM LOCK] key
NOTE: The caps LED should be blinking on your keyboard
7. Tap the [F1] key then [Enter]
8. Repeat step 2~7 on each port of the KVM
9. Connect the KB/Mouse receiver to the keyboard port of the KVM
Note: Please make sure the firmware is v1.2.119 and above. If not, please upgrade it.
The firmware file is attached below.