Configure dialup modem to use maximum port speed

Set BPS for the modem:

  1. Open the Control Panel
  2. Double click the Phone and Modem options-applet
  3. Select the Modems-tab
  4. Choose your modem and press the Properties-button
  5. Select the Modem-tab
  6. Set the Maximum Port Speed to:
    • 115200 if having a 56K modem
    • 57600 if having a 28.8K/33.6K modem

Set BPS for the serial port:

  1. Open the Control Panel
  2. Double click the Phone and Modem options-applet
  3. Select the Modems-tab
  4. Choose your modem and press the Properties-button
  5. Select the Advanced-tab
  6. Press the Change Default Preferences…-button
  7. Set the Port Speed to:
    • 115200 if having a 56K modem
    • 57600 if having a 28.8K/33.6K modem
  8. Set the Data Protocol to Forced EC (If problems set back to Standard)
  9. Set the Compression to Enabled (Unless using a WinModem)
  10. Set the Flow control to Hardware

Set BPS for the connection:

  1. Open the Control Panel
  2. Double click the Network and Dial-up Connections-applet
  3. Right click your dial-up connection and choose Properties
  4. Select the General-tab
  5. Press the Configure-button.
  6. Set the Maximum Speed (bps) to:
    • 115200 if having a 56K modem
    • 57600 if having a 28.8K/33.6K modem

More Info MS KB308022

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