Dell Support Drivers & Downloads Driver File Formats

Driver Details

Conexant 56K V.9x DFVc Modem, D850 56K V.9X PCI DF Modem ULD, v.Diag., A02
Modem Diagnostic Tool Ver. for 32bit OS
Release Date 6/27/2007
Importance: Recommended
Version: Diag.,A02

The following formats are available for the file you have selected

File Format: Hard-Drive Download File Download File
File Name:


Description: This 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.
Download Type: HTTP
File Size: 4MB

Previous Versions

No previous version available.


Modem Diagnostic Tool Ver. for 32bit OS

Level of Importance:Recommended

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).

Important Information

Install Instructions: - For normal installation, click on the setup or setup.exe file in the Application folder and follow the screen instructions. - For Silent Installation, first turn off the User Account Control (UAC) in the User Account menu inside Control Panel menu. After the system is restarted, run Silent.bat file in Windows or in the Command Prompt mode. Note: the Application installation must be done inside the Administrator Login Account. Operating Instructions: - Under the Administrator Login Account, click on the Modem Diagnostic Tool Icon under the Start menu button or inside the Control Panel menu. - Under the non-Administrator Login Account or Standart User Account, click on the Modem Diagnostic Tool Icon inside the Control Panel menu.


Inspiron 530
Inspiron 530s
Inspiron 531
Inspiron 531s
Vostro 200
Operating Systems
MS Windows Vista 32-bit

Applies to

  • D850 56K V.9X PCI DF Modem ULD

Fixes & Enhancements


Installation instructions

Hard Drive Installation (via WinZip) with Setup.exe File for R139956.EXE


1.Click Download Now, to download the file.
2.When the File Download window appears, click Save (Windows XP 
users will click Save) this program to disk and click OK.  The Save In: 
window appears. 
3.From the Save In: field, click the down arrow then click to 
select Desktop and click Save.  The file will download to your desktop.
4.If the Download Complete window appears, click Close.  The file 
icon appears on your desktop.


1.Double-click the new icon on the desktop labeled R139956.EXE.
2.The Self-Extracting window appears and prompts you to extract or 
unzip to C:\DELL\DRIVERS\R139956. Write down this path so the executable (I.e. 
Setup.exe) file can be found later.
3.The Self-Extractor window appears.
4.Click OK.
5.After completing the file extraction, if the Self-Extractor 
window is still open, close it.
6.Click the Start button and then click Run.
7.Type C:\DELL\DRIVERS\R139956 in the Open textbox and then click OK.
8.Follow the on-screen installation instructions.            


To ensure the integrity of your download, please verify the checksum value.

This is an optional process and is not required for the downloading and installation of device drivers from this site.
Not Available
Not Available
Not Available

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