| Scenario | Recommended BIOS Configuration | | :--- | :--- | | | Enabled / Auto . Works for most users. | | Gaming (N-Key Rollover) | Enabled . Ensure "USB Emulation" is OFF (if option exists) to force the keyboard to use its native hardware buffer. | | Using a KVM Switch | Enabled . Some KVM switches emulate a PS/2 connection. Setting this to "Auto" sometimes causes the connection to drop when switching PCs. | | Troubleshooting Boot Issues | Enabled . You need the keyboard active during POST (Power On Self Test) to press F2/Del. |
The PS/2 port is a 6-pin mini-DIN connector used for connecting keyboards and mice. It is distinct from USB because it uses a dedicated hardware interrupt (IRQ), making it preferred by some gamers and IT professionals for its lack of "polling" latency and its ability to function without complex drivers. bios ps 2
In PCSX2 , go to the program's settings and find the "BIOS" tab. | Scenario | Recommended BIOS Configuration | |