Download the latest version of the MCS7840 driver for your computer's operating system. Visitors have downloaded this driver version 78 times with an aggregate rating of 5 out of 5 stars based on 7 reviews. Compatibility for this driver update includes PCs running Windows operating systems such as Windows 8, Windows 7, Windows Vista and Windows XP. The total disk space used for this update is 1.2 MB.
MCS7840
High-Speed USB MultiSerial Compound Device
High-Speed USB Serial Port
Windows 8 (64 bit), Windows 7 (64 bit), Windows Vista (64 bit), Windows XP (64 bit)
2.0.2.0 (27-Mar-2012)
USB to Quad Serial Controller Driver File
Shanmugasundaramg (DG Staff Member) on 14-Feb-2013
To get the MCS7840 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 ASIX MCS7840 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 ASIX MCS7840. It is a software utility which automatically finds and downloads the right driver.
After downloading your new driver, it's time to install it. For Windows users, the built-in Device Manager is your go-to tool for managing system devices and drivers. Here's how to use it:
Right-click the Start button to open the Quick Access menu.
Select "Device Manager" from the list of options.
In the Device Manager window, locate the device that needs updating.
Right-click on the device name and choose "Update driver" from the context menu.
Follow the on-screen instructions to complete the installation process.
Once the installation is complete, restart your computer to ensure the new driver is properly integrated and functional.
This simple process helps keep your system running smoothly and maintains compatibility with your hardware components.
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.
The following files are found inside the driver download file.
Name | Size | Date |
---|---|---|
MCS7840_7820_7810_Windows_64bit_Driver_v2.0.2.0_WHCK_Binary/9710_7840_QUADPORT_MSUninst.exe | 374.8 KB | 19 Jul 2009 |
MCS7840_7820_7810_Windows_64bit_Driver_v2.0.2.0_WHCK_Binary/Installation_Notes.txt | 383 bytes | 5 Mar 2012 |
MCS7840_7820_7810_Windows_64bit_Driver_v2.0.2.0_WHCK_Binary/MCS78x0_Windows_Driver_User_Manual_v200.pdf | 408.6 KB | 22 Oct 2012 |
MCS7840_7820_7810_Windows_64bit_Driver_v2.0.2.0_WHCK_Binary/MSSetup_QUADPORT.exe | 411.6 KB | 27 Apr 2010 |
MCS7840_7820_7810_Windows_64bit_Driver_v2.0.2.0_WHCK_Binary/history.txt | 21.5 KB | 3 Oct 2012 |
MCS7840_7820_7810_Windows_64bit_Driver_v2.0.2.0_WHCK_Binary/win64_AMD/MSConfig_QUADPORT.ini | 159 bytes | 6 Nov 2006 |
MCS7840_7820_7810_Windows_64bit_Driver_v2.0.2.0_WHCK_Binary/win64_AMD/Mos24SerPropPage_QUADPORT.dll | 65.5 KB | 3 Oct 2012 |
MCS7840_7820_7810_Windows_64bit_Driver_v2.0.2.0_WHCK_Binary/win64_AMD/Mos24Ser_QUADPORT.inf | 5.6 KB | 3 Oct 2012 |
MCS7840_7820_7810_Windows_64bit_Driver_v2.0.2.0_WHCK_Binary/win64_AMD/Mos24Serial_QUADPORT.exe | 428.0 KB | 3 Oct 2012 |
MCS7840_7820_7810_Windows_64bit_Driver_v2.0.2.0_WHCK_Binary/win64_AMD/Ms24Comp_QUADPORT.inf | 3.4 KB | 3 Oct 2012 |
MCS7840_7820_7810_Windows_64bit_Driver_v2.0.2.0_WHCK_Binary/win64_AMD/MultiMP_QUADPORT.exe | 342.0 KB | 31 May 2008 |
MCS7840_7820_7810_Windows_64bit_Driver_v2.0.2.0_WHCK_Binary/win64_AMD/QuadCoInst_QUADPORT.dll | 16.4 KB | 29 Apr 2010 |
MCS7840_7820_7810_Windows_64bit_Driver_v2.0.2.0_WHCK_Binary/win64_AMD/mos24ser_QUADPORT.sys | 277.8 KB | 3 Oct 2012 |
MCS7840_7820_7810_Windows_64bit_Driver_v2.0.2.0_WHCK_Binary/win64_AMD/mos24ser_quadport.cat | 9.9 KB | 17 Oct 2012 |