MosChip MCS9835 Driver Download (Official)

MosChip Drivers

The MCS9835 is a network device manufactured by MosChip. 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 - "" - has been downloaded 573 times and is rated 5 out of 5 stars based on 8 reviews. Compatibility for this driver update includes PCs running Windows operating systems such as Windows 7. The total disk space used for this update is 1.1 MB.

8 Ratings (see all reviews)

Supported Models


PCI Multi-IO Controller

PCI Parallel Port

PCI Serial Port

PCI-IO Bridge

Unusable Parallel Port



Supported Operating Systems

Windows 7 (64 bit)

File Name

Versions (22-Jan-2010)

Additional Notes

PCI and PCI Express Connectivity

The MCS9835 is a PCI based dual-channel high performance UART with enhanced bi-directional parallel controller. The MCS9835 offers 16-byte transmits and receives FIFO for each UART channel and 16-byte FIFO for printer channel. The MCS9835 performs serial-to-parallel conversions on data received from a peripheral device, and parallel-to-serial conversions on data received from its CPU. In addition, MCS9835 fully supports the existing Centronics printer interface as well as PS/2, EPP, and ECP modes

Uploaded By

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

Most Helpful Reviews

Eric S.
Tested on Windows 10 x64
20 Jan 2021
(1 day after download)

Installation: 5 out of 5
Stability:  out of 5
Compatibility:  out of 5
"It did install on Windows 10. I used the browse for driver files in device manager; I wouldn't use the setup program in this case."
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See all MosChip MCS9835 ratings and reviews

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
Driver_Win764/User Manual Win7_98XX.pdf 711.3 KB 20 Jan 2007
Driver_Win764/Win7_64Bit/MOSCHIP_Setup.exe 357.4 KB 19 Jan 2010
Driver_Win764/Win7_64Bit/Nm2kNull.inf 1.3 KB 19 Jan 2010
Driver_Win764/Win7_64Bit/Nm2kUnus.inf 2.2 KB 19 Jan 2010
Driver_Win764/Win7_64Bit/NmPar.sys 95.7 KB 19 Jan 2010
Driver_Win764/Win7_64Bit/NmPorts.inf 4.0 KB 19 Jan 2010
Driver_Win764/Win7_64Bit/NmUninst.exe 329.7 KB 19 Jan 2010
Driver_Win764/Win7_64Bit/NmXpMf.inf 20.3 KB 19 Jan 2010
Driver_Win764/Win7_64Bit/ 14.8 KB 19 Jan 2010
Driver_Win764/Win7_64Bit/nmserial.sys 75.3 KB 19 Jan 2010
Driver_Win764/Win7_64Bit/pnpports.dll 53.2 KB 19 Jan 2010

How to Update MCS9835 Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the MCS9835 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 MCS9835 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

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.

How to Open Device Manager

  • 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

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. 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.

This website is not affiliated with MosChip. All company names/logos are properties of their owners.
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