| V2.0.196 | 1. Improved keyboard/mouse compatibility. |  | 
| V2.0.195 | 1.Improve multi-language firmware upgrade process 2. Add function description in multi-language OSD
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| V1.5.145 | 1. Improved KVM performance. 2. Enhanced compatibility with Logitech Unify keyboard/mouse and Logitech MK250 keyboard
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| V1.5.143 | Improved KVM performance & Keyboard/mouse compatibility |  | 
| V1.4.131 | Added support for ATEN USB-to-PS/2 Converter. |  | 
| V1.3.121 | Added support for IOGEAR Keyboard/mouse sets (GKM551R, GKM502, and GKM512 ) |  | 
| V1.2.112 | 1. Added support for Logitech G1, G3 mouse. 2. Added [Num Lock]+[-] [H] and [Num Lock]+[-] [T] hotkey.
 3. Added mouse port-switching function.
 4. Added multilingual OSD: English/Traditional Chinese version and Simplified Chinese version.
 5. Support for Dell server, IBM laptop dock and HP ProLiant ML110 PC PS/2 interface.
 6. Added support for Logitech keyboard/mouse set (SW2-K004, M004).
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