SMC2821USB Driver Download (Official)

SMC Drivers Ethernet Drivers Network Drivers
SMC2821USB Driver Download (Official)
21 Ratings (see all reviews)

Supported Models

SMC2821USB Driver

SMC2821USB USB 10M HomePNA Adapter Driver



Supported Operating Systems

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

File Name (78.6 KB)

Versions (2001-09-02) via .inf

Find Related Drivers

Uploader Notes


SMC2821USB - EZ Connect HomePNA 2.0 USB Adapter

Uploaded By

Theodore (DG Staff Member) on 25-May-2004

Ratings & Reviews

See all SMC2821USB ratings and reviews

Device Hardware IDs


Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
BCMNDIU.DLL 6.2 KB 2 Sep 2001
WIN2000/README.TXT 850 bytes 7 Dec 2001
BCM42U.CAT 2 bytes 1 May 2001
BCM42CTL.DLL 24.6 KB 2 Sep 2001
BCM42RLY.VXD 12.9 KB 2 Sep 2001
BCM42U.INF 4.6 KB 23 Oct 2001
WINME/README.TXT 723 bytes 7 Dec 2001
WIN98/README.TXT 812 bytes 7 Dec 2001
WINXP/README.TXT 184 bytes 23 Nov 2001
SHELEXEC.EXE 22.3 KB 2 Sep 2001
BCM42U.SYS 71.3 KB 2 Sep 2001
AUTORUN.INF 59 bytes 2 Sep 2001
BCM42RLY.SYS 16.2 KB 2 Sep 2001

How to Update SMC2821USB Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the SMC2821USB 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 SMC2821USB 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 Driver Update Utility for SMC2821USB. 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 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.

This website is not affiliated with SMC. All company names/logos are properties of their owners.
server: web4, load: 0.88