The MCS7820 is a removable drive manufactured by MosChip. This version of "Driver_Release_20Note32_7840.zip" is rated (5 out of 5 stars) based on 104 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.
MCS7820
High-Speed USB MultiSerial Compound Device
High-Speed USB Serial Port
Windows 7
1.4.7.17 (12-Jan-2010)
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
Dilipkumar (DG Staff Member) on 12-Apr-2010
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 |
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.
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.
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
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.