Realterm Spy Drivers -

The spy drivers enable advanced debugging capabilities that go beyond simple data viewing: RealTerm Spy Mode - EmbeddedRelated.com

| Error in Realterm | Likely cause | Fix | |------------------|--------------|-----| | "Failed to attach spy driver" | Another filter driver already attached | Close other monitoring tools (PortMon, SerialMon) | | "No data shown" | Wrong device path or IRP_MJ_READ not selected | Use \\.\COMX and check read/write checkboxes | | "System becomes slow" | Logging to slow disk or too many IRPs | Enable filtering by process ID or specific IRP types | | "Blue screen on unload" | Old or incompatible driver version | Download latest Realterm SPY driver from official site | realterm spy drivers

You see exactly what is being sent (TX) and received (RX) in real-time, often color-coded to distinguish between the two. The Secret Sauce: Spy Drivers The spy drivers enable advanced debugging capabilities that