ECS 321 Driver Download (Official)

ECS Elitegroup Drivers

The 321 is a modem manufactured by ECS Elitegroup. 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 36 times and is rated 5 out of 5 stars based on 12 reviews. Compatibility for this driver update includes PCs running Windows operating systems such as Windows XP. The total disk space used for this update is 665.3 KB.

12 Ratings (see all reviews)

Supported Models


Agere Systems AC'97 Modem v2136D



Agere Systems

Supported Operating Systems

Windows XP, Windows 2000

File Name

Versions (19-Nov-2003)
2.1.36 (2003-11-19) via .inf

Additional Notes

Notebook Ultra Value

AC97 Modem driver (Agere Systems)

Modem Driver File

Uploaded By

Sathishkumar (DG Staff Member) on 10-Sep-2009

Most Helpful Reviews

Tested on Windows XP
17 Mar 2014
(23 minutes after download)

Installation: 5 out of 5
Stability:  out of 5
Compatibility:  out of 5
"Work on Averatec 6200"
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See all ECS 321 ratings and reviews

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
Win2KXP/ 10.1 KB 14 Jul 2004
Win2KXP/AGRMDwxp.inf 46.4 KB 13 Jul 2004
Win2KXP/AGRSM.sys 1.2 MB 20 Nov 2003
Win2KXP/AGRSMMsg.exe 88.4 KB 20 Nov 2003
Win2KXP/AGSETUP.INI 3.9 KB 20 Nov 2003
Win2KXP/agrsmdel.exe 64.5 KB 6 Sep 2003
Win2KXP/agsetup1.dll 29.2 KB 6 Sep 2003
Win2KXP/agsetup2.dll 71.7 KB 6 Sep 2003
Win2KXP/agsetup3.EXE 7.8 KB 1 Sep 2001
Win2KXP/setup.exe 92.2 KB 6 Sep 2003

How to Update 321 Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the 321 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 ECS 321 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 ECS Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the ECS website. Most major device manufacturers update their drivers regularly.

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.

This website is not affiliated with ECS. All company names/logos are properties of their owners.
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