MosChip MCS7820 Driver Download (Official)
MosChip Drivers Ethernet Drivers Network Drivers
Supported Models
MCS7820 Driver
High-Speed USB MultiSerial Compound Device Driver
High-Speed USB Serial Port Driver
Manufacturers
Supported Operating Systems
Windows XP, Windows 2000, Windows ME, Windows 98
File Name
Driver_Release_20Note32_7840.zip (1.9 MB)
Versions
1.4.1.0 (31-May-2008)
1.4.1.0 (2008-05-30) via .inf
1.3.11.0 (2007-09-03) via .inf
Find Related Drivers
Uploader Notes
The MCS7820 is a USB 2.0 to Dual-Serial Port device. It has been developed to connect a wide range of standard serial devices to a USB host. The MCS7820 has a USB device controller connected to two (2) individual UARTs.
Uploaded By
Sathishkumar (DG Staff Member) on 14-Aug-2009
Related Driver Updates
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| Diagnostic Utility_UM.pdf | 201.8 KB | 5 Oct 2006 |
| Driver_User manual_98ME.pdf | 144.3 KB | 5 Oct 2006 |
| Driver_User manual_XP.pdf | 333.6 KB | 5 Oct 2006 |
| Version1.4.1.0/Win32/9710_7840_QUADPORT_MSUninst.exe | 258.0 KB | 3 Jun 2008 |
| Version1.4.1.0/Win32/MSSetup_QUADPORT.exe | 286.7 KB | 3 Jun 2008 |
| Version1.4.1.0/Win32/Win98&me/DbgMsg9X.sys | 18.5 KB | 17 Sep 2004 |
| Version1.4.1.0/Win32/Win98&me/MONITOR.EXE | 307.2 KB | 17 Sep 2004 |
| Version1.4.1.0/Win32/Win98&me/MOS24SPT.vxd | 8.8 KB | 20 Oct 2006 |
| Version1.4.1.0/Win32/Win98&me/MS24ENUM.vxd | 140.5 KB | 20 Oct 2006 |
| Version1.4.1.0/Win32/Win98&me/MSConfig.ini | 159 bytes | 4 Mar 2003 |
| Version1.4.1.0/Win32/Win98&me/MSInputs.ini | 31 bytes | 17 Sep 2004 |
| Version1.4.1.0/Win32/Win98&me/MSVCP60.DLL | 401.5 KB | 17 Sep 2004 |
| Version1.4.1.0/Win32/Win98&me/MULSER.DLL | 7.5 KB | 20 Oct 2006 |
| Version1.4.1.0/Win32/Win98&me/Mos24SPt.inf | 2.9 KB | 3 Sep 2007 |
| Version1.4.1.0/Win32/Win98&me/Mos24Sr.sys | 133.7 KB | 3 Sep 2007 |
| Version1.4.1.0/Win32/Win98&me/MulSer.EXE | 290.8 KB | 20 Oct 2006 |
| Version1.4.1.0/Win32/Win98&me/MultiMP.exe | 254.0 KB | 20 Oct 2006 |
| Version1.4.1.0/Win32/Win98&me/dbgmsgcfg.dll | 28.7 KB | 17 Sep 2004 |
| Version1.4.1.0/Win32/Win98&me/mos24sr.inf | 3.7 KB | 3 Sep 2007 |
| Version1.4.1.0/Win32/win32/MSConfig_QUADPORT.ini | 159 bytes | 6 Nov 2006 |
| Version1.4.1.0/Win32/win32/Mos24SerPropPage_QUADPORT.dll | 65.5 KB | 31 May 2008 |
| Version1.4.1.0/Win32/win32/Mos24Ser_QUADPORT.inf | 4.9 KB | 31 May 2008 |
| Version1.4.1.0/Win32/win32/Mos24Serial_QUADPORT.exe | 303.1 KB | 31 May 2008 |
| Version1.4.1.0/Win32/win32/Ms24Comp_QUADPORT.inf | 3.3 KB | 31 May 2008 |
| Version1.4.1.0/Win32/win32/MultiMP_QUADPORT.exe | 249.9 KB | 31 May 2008 |
| Version1.4.1.0/Win32/win32/QuadCoInst.dll | 9.2 KB | 31 May 2008 |
| Version1.4.1.0/Win32/win32/mos24ser_QUADPORT.sys | 615.0 KB | 31 May 2008 |
How to Update MCS7820 Device Drivers Quickly & Easily
Step 1 - Download Your Driver
To get the MCS7820 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 MCS7820 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 MCS7820. It is a software utility which automatically finds and downloads the right driver.
To find the newest driver, you may need to visit the MosChip 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 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.