ECS 558 Driver Download (Official)
The 558 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 update - "Qcom_v167.zip" - has an average rating of 5 out of 5 stars based on 8 reviews, and has been downloaded 46 times. It is compatible with PCs running Windows XP, among other operating systems. The total disk space used for this update is 688.1 KB.
Supported Models
558
Agere Systems AC'97 Modem v2146D
Manufacturers
Supported Operating Systems
Windows XP, Windows 2000
File Name
Versions
2.1.46 (22-Jul-2004)
2.1.46 (2004-07-22) via .inf
Additional Notes
Notebook Wireless and Mobile
AC97 Modem driver (Agere Systems)
Modem Driver File
Uploaded By
Sathishkumar (DG Staff Member) on 10-Sep-2009
Related Driver Updates
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| AGRMDwxp.cat | 8.8 KB | 26 Oct 2004 |
| AGRMDwxp.inf | 45.0 KB | 19 Oct 2004 |
| AGRSM.SYS | 1.3 MB | 22 Jul 2004 |
| AGRSMDEL.EXE | 64.5 KB | 5 Apr 2004 |
| AGRSMMsg.exe | 88.4 KB | 22 Jul 2004 |
| AGSETUP.INI | 4.1 KB | 7 Jun 2004 |
| AGSETUP1.DLL | 29.2 KB | 5 Apr 2004 |
| AGSETUP2.DLL | 72.7 KB | 5 Apr 2004 |
| AGSETUP3.EXE | 7.8 KB | 31 Aug 2001 |
| SETUP.EXE | 97.8 KB | 5 Apr 2004 |
How to Update 558 Device Drivers Quickly & Easily
Step 1 - Download Your Driver
To get the 558 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 558 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
Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.
Select the Driver tab.
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.