Auto Signal Compensation (ASC), no DIP switch setting needed for the different distances; Hot pluggable - add or remove computers without having to power down the switch; Support VT-100; Lifetime firmware upgrades; Superior video quality - supports resolution of up to 1024 x 768 -- DDC2B; Built in ASIC for greater reliability and compatibility; CPU module designed with automatic conversion to allow for flexible interface combinations (PS/2, USB) to control all computer types (Serial).