Driver Details

Conexant D400,External USB 56K Modem, v.drv_Vista32_V2.0.19.51, A06

Vista32 driver V2.0.19.51

Fixes & Enhancements

1. Pop up an error during installation on Roberts platform.
2. Europa error in Event Viewer after installation.
3. Has extra dialog box for region change on Japan, France and Germany.
4. No modem dial tone when dialing on Vista 32 OS
5. No dial tone when dial-up network by USB modem with A05 R206118 driver


Version drv_Vista32_V2.0.19.51, A06



Release date

05 Sep 2012

Last Updated

05 Sep 2012



Available formats

File Format:Hard-Drive
File Name:CONEXANT_D400-EXTERNAL-USB-5_A06_R220809.exe
Download Type:HTTP
File Size: 1MB
Format DescriptionThis file contains a compressed (or zipped) set of files. Download the file to a folder on your hard drive, and then run (double-click) it to unzip the set of files. Follow the instructions to complete the installation.
To ensure the integrity of your download, please verify the checksum value.

By downloading, you accept the terms of the Dell Software License Agreement.

Supported Operating Systems

Windows Vista, 32-bit

Applies to

Conexant D400 External USB 56K Modem

Installation instructions

Important Information

With WHQL signed
My Download List-#1 (0 )

Video Tutorials

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Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.​

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This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details
Dell recommends applying this update during your next scheduled update cycle. The update contains feature enhancements or changes that will help keep your system software current and compatible with other system modules (firmware, BIOS, drivers and software).