USB Adapter
USB to PS/2 Adapters
USB to PS/2 adapters connect modern USB hosts to legacy PS/2 keyboards and mice, using either passive dual-protocol support or active signal conversion.
Related: USB to Parallel · USB to Serial · USB-A to USB-C
Characteristics
Review passive and active USB-to-PS/2 conversion, connector roles, supported keyboard and mouse hardware, and the compatibility checks each adapter requires.
| Typical USB input | USB-A |
|---|---|
| PS/2 connector | 6-pin Mini-DIN for PS/2 keyboard or mouse |
| Adapter type | Passive adapter for compatible dual-protocol devices or active USB-to-PS/2 converter |
| Passive compatibility | Requires a keyboard or mouse designed to understand both USB and PS/2 signaling |
| Active compatibility | Active converters translate USB HID traffic for legacy PS/2 equipment |
| Typical use | Legacy keyboards, mice, KVM equipment, and older computers |
| Compatibility check | Confirm whether the adapter is passive or active and which PS/2 device types it supports |
USB to PS/2 articles
Browse guides about USB to PS/2 adapters, keyboards and mice, passive versus active conversion, legacy hardware, and practical compatibility issues.