Passmark Keyboard Test 3.0 is a useful tool for diagnosing keyboard issues. If you're having trouble finding your serial number, reaching out to the software developer or checking your purchase records are good places to start.

Requires a unique serial number provided upon purchase to unlock all features and remove the trial nag screens. Safety and Security Warning

Version 3.0, released in mid-2007 and widely used throughout the 2010s, introduced essential features for verifying hardware integrity: Visual Key Mapping

The three hyphens ("---") in your search query tell an interesting story. In the world of piracy, keygen (key generator) software, and cracked warez forums, users often use hyphens as placeholders or wildcards.

| Parameter | Details | |-----------|---------| | | Windows 10/11 (x64), Windows Server 2019+, Linux (Ubuntu 22.04+ via WINE or native CLI) | | Interface | USB, PS/2 (via adapter limited), Bluetooth (restricted to latency & matrix only) | | Max keys per test | Unlimited (limited by OS HID report) | | Latency precision | ±0.1 ms (with hardware dongle), ±5 ms (audio method) | | Polling detection | Up to 8000 Hz (requires high‑speed USB) | | Report storage | Local SQLite or remote MySQL (enterprise) | | Serial number input | Manual keyboard entry, barcode scanner (UPC/EAN-128), USB descriptor read |