Tektronix TDS5000B Error 6: 8042 Gate A20 cannot be toggled

Digital phosphor oscilloscope · taken from the manufacturer’s manual, pages cited

Error code6

Error 6 means the 8042 Gate A20 cannot be toggled, which may relate to system bus or memory addressing issues. The manual lists no action for this code.

Model
Tektronix TDS5000B
Display shows
8042 Gate A20 cannot be toggled (6)
Type
Error code
Source
Manual p. 197

What 6 means

8042 Gate A20 cannot be toggled p. 197

Common causes

  • 8042 Gate A20 cannot be toggled p. 197

If 6 is still not resolved

  • contact service or dealer p. 63
    “create an emergency startup disk and store it in a safe place”

This page summarises what the manufacturer’s manual says about 6; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Tektronix. Found a mistake? Report an error.