MosChip MCS7820 Driver Download (Official)

MosChip Drivers

The MCS7820 is a removable drive manufactured by MosChip. This version of "" is rated (5 out of 5 stars) based on 105 downloads and 5 reviews. The uploader reports that this update will work successfully on PCs running Windows 7. The total disk space used for this update is 2.3 MB.

MosChip MCS7820 Automatic Driver Update Utility
5 Ratings

Supported Models


High-Speed USB MultiSerial Compound Device

High-Speed USB Serial Port



Supported Operating Systems

Windows 7

File Name

Versions (12-Jan-2010)

Additional Notes

USB Connectivity

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

Dilipkumar (DG Staff Member) on 12-Apr-2010

How to Update MCS7820 Device Drivers

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 MosChip 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 MosChip 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 MosChip website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

To install your new driver on Windows:

  1. Right-click the Start button.

  2. Click "Device Manager">

  3. Find your device in the list.

  4. Right-click the device and select "Update driver"

  5. Follow the steps on screen.

Restart your computer when done.

This keeps your computer working at its best.

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.

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
INS_Vista_7840.pdf 213.9 KB 22 Dec 2006
Version_1.4.7.17/Win32/9710_7840_QUADPORT_MSUninst.exe 258.0 KB 19 Jul 2009
Version_1.4.7.17/Win32/MSSetup_QUADPORT.exe 290.8 KB 27 Aug 2009
Version_1.4.7.17/Win32/win32/MSConfig_QUADPORT.ini 159 bytes 6 Nov 2006
Version_1.4.7.17/Win32/win32/Mos24SerPropPage_QUADPORT.dll 65.5 KB 22 Apr 2009
Version_1.4.7.17/Win32/win32/Mos24Ser_QUADPORT.inf 5.6 KB 24 Dec 2009
Version_1.4.7.17/Win32/win32/Mos24Serial_QUADPORT.exe 303.1 KB 13 Jul 2009
Version_1.4.7.17/Win32/win32/Ms24Comp_QUADPORT.inf 3.4 KB 24 Dec 2009
Version_1.4.7.17/Win32/win32/MultiMP_QUADPORT.exe 249.9 KB 31 May 2008
Version_1.4.7.17/Win32/win32/QuadCoInst.dll 15.4 KB 24 Dec 2009
Version_1.4.7.17/Win32/win32/mos24ser_QUADPORT.sys 271.5 KB 19 Oct 2009
Version_1.4.7.17/Win98&me/DbgMsg9X.sys 18.5 KB 17 Sep 2004
Version_1.4.7.17/Win98&me/MONITOR.EXE 307.2 KB 17 Sep 2004
Version_1.4.7.17/Win98&me/MOS24SPT.vxd 8.8 KB 20 Oct 2006
Version_1.4.7.17/Win98&me/MS24ENUM.vxd 140.5 KB 20 Oct 2006
Version_1.4.7.17/Win98&me/MSConfig.ini 159 bytes 4 Mar 2003
Version_1.4.7.17/Win98&me/MSInputs.ini 31 bytes 17 Sep 2004
Version_1.4.7.17/Win98&me/MSSetup_QUADPORT.exe 286.7 KB 12 Jun 2009
Version_1.4.7.17/Win98&me/MSUninst.exe 258.0 KB 12 Jun 2009
Version_1.4.7.17/Win98&me/MSVCP60.DLL 401.5 KB 17 Sep 2004
Version_1.4.7.17/Win98&me/MULSER.DLL 7.5 KB 20 Oct 2006
Version_1.4.7.17/Win98&me/Mos24SPt.inf 2.9 KB 12 Jun 2009
Version_1.4.7.17/Win98&me/Mos24Sr.sys 133.7 KB 3 Sep 2007
Version_1.4.7.17/Win98&me/MulSer.EXE 290.8 KB 20 Oct 2006
Version_1.4.7.17/Win98&me/MultiMP.exe 254.0 KB 20 Oct 2006
Version_1.4.7.17/Win98&me/dbgmsgcfg.dll 28.7 KB 17 Sep 2004
Version_1.4.7.17/Win98&me/mos24sr.inf 3.7 KB 12 Jun 2009
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