Rockwell HCF 56K DataFax PCI Modem Driver Download

Rockwell Drivers

The HCF 56K DataFax PCI Modem is a modem manufactured by Rockwell. If you cannot connect to the network, or have slow transfer speeds or intermittent disconnection problems, you may need to update your modem driver or firmware. This driver - "" - has been downloaded 32,324 times and is rated 5 out of 5 stars based on 143 reviews. Visitors have successfully installed this driver on PCs running Windows XP. The total disk space used for this update is 254.8 KB.

143 Ratings (see all reviews)

Supported Models

RLDL56DPF / R6785-68


Rockwell HCF 56K DataFax PCI Modem

Rockwell PCI Modem Enumerator




Supported Operating Systems

Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows ME, Windows 98SE, Windows 98, Windows 95

File Name

Additional Notes

chipset is RDLD56DPF /R685-68

ROCKWELL 97 /9830 B59683-5 win 95 and win 98

Its manufactred by CIS TECHNOLOGY INC


Uploaded By

rarteaga (DG Member) on 3-Jan-2002

Most Helpful Reviews

5 of 6 people found the following review helpful:
Tested on Windows 98SE
8 Jun 2009
(2 years after download)

Installation:  out of 5
Stability:  out of 5
Compatibility:  out of 5
"need more some files missing"
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4 of 5 people found the following review helpful:
G. Lersch
Tested on Windows ME
15 Mar 2006

Installation: 4 out of 5
Stability: 4 out of 5
Compatibility: 4 out of 5
"Thank you very much!"
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See all Rockwell HCF 56K DataFax PCI Modem ratings and reviews

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
ROKV42.VXD 140.3 KB 1 Mar 1998
CPQMODEM.INF 62.6 KB 27 Jul 1998
DPAL.VXD 105.6 KB 1 Mar 1998
HCFCSA.DLL 15.0 KB 1 Mar 1998
HCFPNP.VXD 13.7 KB 1 Mar 1998
ROKKMOS.VXD 16.5 KB 1 Mar 1998
TURBOVBF.VXD 10.6 KB 1 Mar 1998
CPQMDME.INF 2.4 KB 1 Mar 1998
TURBOVCD.VXD 15.2 KB 1 Mar 1998
WIN95AC.VXD 363.2 KB 1 Mar 1998

How to Update Rockwell HCF 56K DataFax PCI Modem Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the Rockwell HCF 56K DataFax PCI Modem driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Rockwell HCF 56K DataFax PCI Modem into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the Rockwell Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

Step 2 - Install Your Driver

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

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