USB-to-One-Serial Port Driver
Windows 7 (64 bit)
Driver_Release_20Note64_7703.zip (1.1 MB)
The MCS7703 controller provides bridging between the Universal Serial Bus (USB) input and an enhanced UART port. This device contains all the necessary logic to communicate with the host computer via the USB bus. In addition, the MCS7703 contains a 3.3V regulator and operates in bus-powered mode
Dilipkumar (DG Staff Member) on 12-Apr-2010
The following files are found inside the driver download file.
|Driver_Release Note64_7703/Readme.txt||162 bytes||1 Dec 2006|
|Driver_Release Note64_7703/Win64/OneSetup.exe||467.5 KB||20 Apr 2007|
|Driver_Release Note64_7703/Win64/OneUnst.exe||442.9 KB||20 Apr 2007|
|Driver_Release Note64_7703/Win64/win64/Config.ini||159 bytes||4 Mar 2003|
|Driver_Release Note64_7703/Win64/win64/OneSerialMP.exe||338.9 KB||9 Mar 2007|
|Driver_Release Note64_7703/Win64/win64/OneUComp.inf||2.2 KB||20 Apr 2007|
|Driver_Release Note64_7703/Win64/win64/OneUPort.inf||4.4 KB||20 Apr 2007|
|Driver_Release Note64_7703/Win64/win64/OneUSBSerPropPage.dll||64.0 KB||9 Mar 2007|
|Driver_Release Note64_7703/Win64/win64/OneUSBSerial.exe||367.6 KB||9 Mar 2007|
|Driver_Release Note64_7703/Win64/win64/OneUnst.exe||442.9 KB||20 Apr 2007|
|Driver_Release Note64_7703/Win64/win64/PPSPInputs.ini||31 bytes||12 Dec 2003|
|Driver_Release Note64_7703/Win64/win64/oneuport.sys||527.9 KB||20 Apr 2007|
|MosChip Driver Update Utility||DriverEasy_Setup.exe||5.2 MB||165,893||Free Download >>|
|MCS7703 Driver||n/a||Driver_Release... 703.zip||3.8 MB||82||Free Download >>|
|MCS7703 Driver||MCS7703_XP_WHQL.zip||418.3 KB||860||Free Download >>|
|MCS7703 Driver||Driver_Release... 703.zip||2.9 MB||223||Free Download >>|
|MCS7703 Driver||n/a||MCS7703DRV_MAC10.X.zip||106.3 KB||37||Free Download >>|
|MCS7703 Driver||MCS7703_XP_WHQL.zip||418.3 KB||572||Free Download >>|
|MCS7703 Driver||n/a||Driver_Vista32_7703.zip||1.5 MB||45||Free Download >>|
|MCS7703 Driver||n/a||Driver_Vista64_7703.zip||1.2 MB||35||Free Download >>|
|MCS7703 Driver||n/a||MCS7703_XP_WHQL.zip||418.3 KB||73||Free Download >>|
|MCS7703 Driver||Driver_Release... 703.zip||1.4 MB||68||Free Download >>|
|MosChip High Speed PCI Serial Port Driver||MosChip_High_S... ver.zip||5.7 MB||192,284||Free Download >>|
|MosChip MCS9901CV CC Driver||MosChip_MCS990... ver.zip||3.4 MB||194,431||Free Download >>|
|MosChip PCI ECP Parallel Port Driver||MosChip_PCI_EC... ver.zip||5.2 MB||18,629||Free Download >>|
|MosChip PCIe to Multi Mode Parallel Port Driver||MosChip_PCIe_t... ver.zip||1.1 MB||144,427||Free Download >>|
|MosChip PCI Serial Port Driver||MosChip_PCI_Se... ver.zip||2.8 MB||149,785||Free Download >>|
|MosChip USB Infrared Adapter Driver||MosChip_USB_In... ver.zip||4.3 MB||107,545||Free Download >>|
To get the MCS7703 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 MCS7703 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 MCS7703. 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 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.