The USB DONGLE SERIAL 2 PORTS is a network device manufactured by ST Lab. Issues like weak Wi-Fi signal, slow DNS lookup, duplicate IP addresses, slow network and excessive CPU usage can be solved by updating this driver. This driver - "mcs7840.exe" - has been downloaded 588 times and is rated 5 out of 5 stars based on 12 reviews. Compatibility for this driver update includes PCs running Windows operating systems such as Windows Vista and Windows XP. The total disk space used for this update is 6.3 MB.
USB DONGLE SERIAL 2 PORTS
High-Speed USB MultiSerial Compound Device
High-Speed USB Serial Port
MosChip High-Speed USB MultiSerial Compound Device
MosChip High-Speed USB Serial Port
Windows Vista, Windows 2003, Windows XP, Windows 2000
1.3.0.0 (2006-12-08) via .inf
1.2.8.0 (2006-11-21) via .inf
1.2.6.0 (2006-10-11) via .inf
USB Devices II
U-380, USB to Serial 1 port and Parallel 1 port Dongle
Driver file
Karthikkumar (DG Staff Member) on 17-Apr-2009
To get the USB DONGLE SERIAL 2 PORTS 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 ST Lab USB DONGLE SERIAL 2 PORTS 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 ST Lab Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.
Installing your newly downloaded driver is a straightforward process. Windows provides a dedicated tool called Device Manager for this purpose. Follow these steps to update your driver:
Access the Quick Access menu by right-clicking the Start button.
From the menu options, choose "Device Manager".
Within Device Manager, identify the device requiring the driver update.
Open the context menu for the device by right-clicking its name.
Select "Update driver" and proceed through the guided installation.
To complete the process, reboot your computer. This ensures the new driver is fully integrated into your system.
Regular driver updates contribute to optimal system performance and hardware compatibility.
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 |
---|---|---|
MAC10.X/MCS7840DRV_MAC10.X.zip | 110.8 KB | 10 Aug 2006 |
Vista32/MSSetup.exe | 270.3 KB | 7 Dec 2006 |
Vista32/MSUninst.exe | 254.0 KB | 7 Dec 2006 |
Vista32/winxp/MSConfig.ini | 159 bytes | 6 Nov 2006 |
Vista32/winxp/MSUninst.exe | 254.0 KB | 7 Dec 2006 |
Vista32/winxp/Mos24Ser.inf | 4.9 KB | 7 Dec 2006 |
Vista32/winxp/Mos24SerPropPage.dll | 65.5 KB | 7 Dec 2006 |
Vista32/winxp/Mos24Serial.exe | 299.0 KB | 7 Dec 2006 |
Vista32/winxp/Ms24Comp.inf | 2.6 KB | 7 Dec 2006 |
Vista32/winxp/MultiMP.exe | 245.8 KB | 7 Dec 2006 |
Vista32/winxp/mos24ser.cat | 9.9 KB | 16 Oct 2006 |
Vista32/winxp/mos24ser.sys | 239.7 KB | 8 Dec 2006 |
Vista64/MSSetup.exe | 391.2 KB | 7 Dec 2006 |
Vista64/MSUninst.exe | 367.6 KB | 7 Dec 2006 |
Vista64/win64_AMD/MSConfig.ini | 159 bytes | 6 Nov 2006 |
Vista64/win64_AMD/MSUninst.exe | 367.6 KB | 7 Dec 2006 |
Vista64/win64_AMD/Mos24Ser.inf | 4.9 KB | 7 Dec 2006 |
Vista64/win64_AMD/Mos24SerPropPage.dll | 64.5 KB | 7 Dec 2006 |
Vista64/win64_AMD/Mos24Serial.exe | 410.6 KB | 7 Dec 2006 |
Vista64/win64_AMD/Ms24Comp.inf | 2.6 KB | 7 Dec 2006 |
Vista64/win64_AMD/MultiMP.exe | 338.9 KB | 7 Dec 2006 |
Vista64/win64_AMD/mos24ser.cat | 10.0 KB | 16 Oct 2006 |
Vista64/win64_AMD/mos24ser.sys | 237.3 KB | 8 Dec 2006 |
WHQL/WHQL32/MSSetup.exe | 274.4 KB | 11 Oct 2006 |
WHQL/WHQL32/MSUninst.exe | 258.0 KB | 11 Oct 2006 |
WHQL/WHQL32/winxp/MSUninst.exe | 258.0 KB | 11 Oct 2006 |
WHQL/WHQL32/winxp/Mos24Ser.inf | 4.9 KB | 11 Oct 2006 |
WHQL/WHQL32/winxp/Mos24SerPropPage.dll | 61.4 KB | 11 Oct 2006 |
WHQL/WHQL32/winxp/Mos24Serial.exe | 299.0 KB | 11 Oct 2006 |
WHQL/WHQL32/winxp/Ms24Comp.inf | 2.6 KB | 11 Oct 2006 |
WHQL/WHQL32/winxp/mos24ser.cat | 9.9 KB | 16 Oct 2006 |
WHQL/WHQL32/winxp/mos24ser.sys | 546.6 KB | 11 Oct 2006 |
WHQL/WHQL64/MSSetup.exe | 385.5 KB | 11 Oct 2006 |
WHQL/WHQL64/MSUninst.exe | 362.0 KB | 11 Oct 2006 |
WHQL/WHQL64/win64_AMD/MSUninst.exe | 362.0 KB | 11 Oct 2006 |
WHQL/WHQL64/win64_AMD/Mos24Ser.inf | 4.9 KB | 11 Oct 2006 |
WHQL/WHQL64/win64_AMD/Mos24SerPropPage.dll | 63.0 KB | 11 Oct 2006 |
WHQL/WHQL64/win64_AMD/Mos24Serial.exe | 407.0 KB | 11 Oct 2006 |
WHQL/WHQL64/win64_AMD/Ms24Comp.inf | 2.6 KB | 11 Oct 2006 |
WHQL/WHQL64/win64_AMD/mos24ser.cat | 10.0 KB | 16 Oct 2006 |
WHQL/WHQL64/win64_AMD/mos24ser.sys | 335.5 KB | 11 Oct 2006 |
Win32/MSSetup.exe | 278.5 KB | 20 Oct 2006 |
Win32/MSUninst.exe | 258.0 KB | 20 Oct 2006 |
Win32/Win98&me/DbgMsg9X.sys | 18.5 KB | 17 Sep 2004 |
Win32/Win98&me/MONITOR.EXE | 307.2 KB | 17 Sep 2004 |
Win32/Win98&me/MOS24SPT.vxd | 8.8 KB | 21 Nov 2006 |
Win32/Win98&me/MS24ENUM.vxd | 140.5 KB | 20 Oct 2006 |
Win32/Win98&me/MSConfig.ini | 159 bytes | 4 Mar 2003 |
Win32/Win98&me/MSInputs.ini | 31 bytes | 17 Sep 2004 |
Win32/Win98&me/MSVCP60.DLL | 401.5 KB | 17 Sep 2004 |
Win32/Win98&me/MULSER.DLL | 7.5 KB | 20 Oct 2006 |
Win32/Win98&me/Mos24SPt.inf | 2.9 KB | 21 Nov 2006 |
Win32/Win98&me/Mos24Sr.sys | 133.3 KB | 21 Nov 2006 |
Win32/Win98&me/MulSer.EXE | 282.6 KB | 21 Nov 2006 |
Win32/Win98&me/MultiMP.exe | 254.0 KB | 20 Oct 2006 |
Win32/Win98&me/dbgmsgcfg.dll | 28.7 KB | 17 Sep 2004 |
Win32/Win98&me/mos24sr.inf | 3.7 KB | 21 Nov 2006 |
Win32/winxp/DbgMsg.sys | 18.2 KB | 12 Dec 2003 |
Win32/winxp/MSConfig.ini | 159 bytes | 17 Jul 2006 |
Win32/winxp/Mos24Ser.inf | 4.5 KB | 21 Nov 2006 |
Win32/winxp/Mos24SerPropPage.dll | 61.4 KB | 21 Nov 2006 |
Win32/winxp/Mos24Serial.exe | 303.1 KB | 21 Nov 2006 |
Win32/winxp/Ms24Comp.inf | 3.0 KB | 21 Nov 2006 |
Win32/winxp/MultiMP.exe | 245.8 KB | 25 Sep 2006 |
Win32/winxp/dbgmsgcfg.dll | 28.7 KB | 12 Dec 2003 |
Win32/winxp/monitor.exe | 307.2 KB | 12 Dec 2003 |
Win32/winxp/mos24ser.sys | 553.2 KB | 21 Nov 2006 |
Win32/winxp/msvcp60.dll | 401.5 KB | 12 Dec 2003 |
Win64/MSSetup.exe | 387.1 KB | 20 Oct 2006 |
Win64/MSUninst.exe | 363.5 KB | 20 Oct 2006 |
Win64/win64_AMD/DbgMsg.sys | 18.2 KB | 12 Dec 2003 |
Win64/win64_AMD/MSConfig.ini | 159 bytes | 17 Jul 2006 |
Win64/win64_AMD/Mos24Ser.inf | 4.5 KB | 21 Nov 2006 |
Win64/win64_AMD/Mos24SerPropPage.dll | 63.5 KB | 21 Nov 2006 |
Win64/win64_AMD/Mos24Serial.exe | 410.6 KB | 21 Nov 2006 |
Win64/win64_AMD/Ms24Comp.inf | 3.0 KB | 21 Nov 2006 |
Win64/win64_AMD/MultiMP.exe | 338.9 KB | 25 Sep 2006 |
Win64/win64_AMD/dbgmsgcfg.dll | 28.7 KB | 12 Dec 2003 |
Win64/win64_AMD/monitor.exe | 307.2 KB | 12 Dec 2003 |
Win64/win64_AMD/mos24ser.sys | 335.5 KB | 21 Nov 2006 |
Win64/win64_AMD/msvcp60.dll | 941.6 KB | 25 Mar 2005 |
WinCE/MCS7840_WinCE/Release1.0.1.0/MCS7840Cab/SpecCe50.CAB | 24.6 KB | 1 Nov 2006 |
WinCE/MCS7840_WinCE/Release1.0.1.0/MCS7840Cab/SpecCe50.CAB/SpecCe50.000 | 403 bytes | 1 Nov 2006 |
WinCE/MCS7840_WinCE/Release1.0.1.0/MCS7840Cab/SpecCe50.CAB/SpecCe50.001 | 24.1 KB | 31 Oct 2006 |
WinCE/MCS7840_WinCE/Release1.0.1.0/Readme.txt | 329 bytes | 1 Dec 2006 |
WinCE/MCS7840_WinCE/Release1.0.1.0/drvdsk/SpecCe50.dll | 24.1 KB | 31 Oct 2006 |
WinCE/MCS7840_WinCE/Release1.0.1.0/drvdsk/SpecCe50.inf | 738 bytes | 1 Nov 2006 |
WinCE/MCS7840_WinCE/WinCE5_INS_X86.pdf | 36.6 KB | 1 Dec 2006 |
WinCE/Release1.0.1.0/MCS7840Cab/SpecCe50.CAB | 24.6 KB | 1 Nov 2006 |
WinCE/Release1.0.1.0/MCS7840Cab/SpecCe50.CAB/SpecCe50.000 | 403 bytes | 1 Nov 2006 |
WinCE/Release1.0.1.0/MCS7840Cab/SpecCe50.CAB/SpecCe50.001 | 24.1 KB | 31 Oct 2006 |
WinCE/Release1.0.1.0/Readme.txt | 329 bytes | 1 Dec 2006 |
WinCE/Release1.0.1.0/drvdsk/SpecCe50.dll | 24.1 KB | 31 Oct 2006 |
WinCE/Release1.0.1.0/drvdsk/SpecCe50.inf | 738 bytes | 1 Nov 2006 |
WinCE/WinCE5_INS_X86.pdf | 36.6 KB | 1 Dec 2006 |