Microsoft KB Archive/175250

Microsoft Knowledge Base

Extra Modem Settings U-Z for Connecting to MSN

Last reviewed: October 20, 1997
Article ID: Q175250

The information in this article applies to:

• The Microsoft Network, versions 1.0, 1.05, 1.2, 1.3, 2.0, 2.5

SUMMARY

You may be unable to connect, or have difficulty remaining connected to MSN, The Microsoft Network. Some modems may require extra settings or specific configurations to connect to MSN.

The following table lists extra modem settings and configurations that may help specific modems connect to MSN.

NOTE: Rockwell settings may work for any modem that uses the Rockwell chipset, including Boca, Zoltrix, and Zoom 14.4 modems.

MORE INFORMATION

Manufacturer/Model      Extra Settings    Status       Configuration

U.S. Robotics 28.8      &N13              UNCONFIRMED  USR 28.8 modems
                                                       with a firmware
                                                       revision prior to
                                                       4/18/95 have known
                                                       problems. Obtain a
                                                       firmware revision
                                                       dated 4/18/95
                                                       or later from
                                                       the manufacturer.
                                                       Once updated, the
                                                       modem speed is
                                                       limited to 26,400
                                                       bps; this allows
                                                       for slower MSN
                                                       connection speeds.

U.S. Robotics           None              CONFIRMED    Error Control off.

Sportster 14.4si

U.S. Robotics           AT&F1&K3&N13&D0   CONFIRMED    Error Control
Sportster 28.8 Vi                                      off. Install as a
Internal                                               USR Sportster 28.8
                                                       internal.

U.S. Robotics           AT&F1&K3&N13      CONFIRMED    None, or (ATI3=
                                                       Sportster V6.0);
                                                       Check for BIOS date
                                                       on V6.0 (Check
                                                       ATI7 response).
                                                       Supervisor date
                                                       should be 4/18/95
                                                       or later, if not,
                                                       contact the
                                                       manufacturer for
                                                       BIOS update; the
                                                       old BIOS cannot
                                                       handle the 32-bit
                                                       drivers. Error
                                                       Control off.

U.S. Robotics           AT&F1             CONFIRMED    If the UART is an
Sportster WinModem                                     8250, remove FIFO
28.8 Fax RS                                            buffers (requires
                                                       a 16550 compatible
                                                       UART).

U.S. Robotics 14.4      AT&F              CONFIRMED    Error Control off.

PCMCIA

U.S. Robotics 28.8      S56=144 S27=48    CONFIRMED    Error Control off.

PCMCIA

U.S. Robotics 33.6      AT&Ns58=1s11=50   CONFIRMED    Install a Standard
Courier V Everything,                                  28.8 driver on the
Upgradeable to 56K                                     same port and set
                                                       as the default if
                                                       the manufacturer's
                                                       drivers are not
                                                       available.

US Robotics             AT&F1s11=50       CONFIRMED    Error Control off;
Sportster 14.4                                         maximum speed to
                                                       57600. You may have
                                                       to install as a
                                                       Standard 28.8.

US Robotics             AT&F1             UNCONFIRMED  Verify the UART is
Sportster WinModem                                     a 16550; if it is an
28.8 Fax RS                                            8250, clear the Use
                                                       FIFO Buffers check
                                                       box in the Advanced
                                                       Port Settings dialog
                                                       box in the modem's
                                                       property sheet.
                                                       (A driver update
                                                       is available for
                                                       this modem; refer
                                                       the customer to
                                                       the manufacturer
                                                       if they have not
                                                       yet contacted them
                                                       about this issue.)

US Robotics             S54=192 S56=0     UNCONFIRMED  None.
Sportster 33.6          S37=11

US Robotics             AT&F1S27=32S33=32 UNCONFIRMED  Error control off.
Sportster 33.6                                         (Need to have the
                                                       USR Sportster 33.6
                                                       driver installed;
                                                       if so, add S32=16
                                                       to Extra Settings.)

US Robotics 33.6        Unknown           UNCONFIRMED  Error Control off.
                                                       Need to install the
                                                       USR 1433VHD driver.
                                                       (Refer customer to
                                                       the manufacturer
                                                       for installation
                                                       of this driver.)
                                                       All Sportster 33.6
                                                       modems with a TI
                                                       chipset revision
                                                       date of January
                                                       11th until May of
                                                       1996 are defective.

WiseCom VoiceView 28.8  AT&F              UNCONFIRMED  (ATI3=copyright 1996
                                                       SSC V2.2 BO2-01/0)
                                                       Maximum speed to
                                                       38400. In Dial-Up
                                                       Networking use IP
                                                       Header Compression
                                                       off.

Xircom 28.8 PCMCIA      Unknown           UNCONFIRMED  Error Control off.

XPM 33.6I               AT&F1 S32=16      UNCONFIRMED  None.

Zoltrix 28.8            &K3               UNCONFIRMED  Install as a
                                                       Standard 28.8
                                                       internal.

Zoltrix 14.4            &K3+H3S95=1       CONFIRMED    Error Control off.

Zoom ComStar 28.8       None              CONFIRMED    Install as a Hayes
                                                       Optima 28.8 V.34 +
                                                       Data/Fax/Voice

To add an extra setting or to change the Use Error Control or Compress Data options, use the following steps:

1. Click Start, point to Settings, and then click Control Panel.
2. Double-click Modems.
3. Click the modem you are using, and then click Properties.
4. On the Connection tab, click Advanced.
5. In the Extra Settings box, type the appropriate extra settings.
6. Enable or disable the Use Error Control and Compress Data options as appropriate.
7. Click OK or Close until you return to Control Panel.

Keywords          : msnconnect
Version           : WINDOWS:1.0,1.05,1.2,1.3,2.0,2.5
Platform          : WINDOWS
Issue type        : kbref

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