Texas Instruments Professional Computer Error 4: Sector Not Found

Texas Instruments Professional Computer · taken from the manufacturer’s manual, pages cited

Error code4

After selecting the drive, it did not respond with READY, or the correct cylinder/head was found but the target sector wasn't. The manual lists no action for this code.

Model
Texas Instruments Professional Computer
Display shows
Sector Not Found (4)
Type
Error code
Source
Manual p. 97

What 4 means

Sector Not Found p. 97

Common causes

  • After the controller selected the drive, the drive did not respond with READY signal. p. 97
  • The controller found the correct cylinder and head, but not the target sector. p. 97

If 4 is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact Texas Instruments service.

This page summarises what the manufacturer’s manual says about 4; 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 Texas Instruments. Found a mistake? Report an error.