ATI MODEM diagnostic information

Question

ATI MODEM diagnostic information.

Answer

ATI commands help list additional information about the MODEM, and in diagnostic situations can help determine if the MODEM is properly working. To get this information and get to the diagnostic screen, follow the steps below for your operating system.

Windows ME, 2000, XP, Vista, 7 users

  1. Open Device Manager.
  2. In Device Manager click the + next to Modems.
  3. Double-click the Modem listed.
  4. Click the Diagnostics tab.
  5. Click the Query Modem button. This will return responses from the modem See the below section for additional information about each of the ATI commands.

Windows 95 and 98 users

  1. Click Start, Settings, and then Control Panel.
  2. Double-click the Modems icon.
  3. Click the Diagnostics tab.
  4. Highlighting the port that the modem is listed on and clicking on the more info button. This will return responses from the modem See the below section for additional information about each of the ATI commands.

Additional information about the returned ATI commands

ATI0 = Return Product Code
ATI1 = Return memory (ROM) checksum
ATI2 = Run memory (RAM) test
ATI3 = Return call duration/real time
ATI4 = Return current modem settings
ATI5 = Return NVRAM settings
ATI6 = Return link diagnostics
ATI7 = Return product configuration

Additional information

  • See the MODEM definition for further information and related links.
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