MosChip MCS9901 Driver Download (Official)

MosChip Drivers

The MCS9901 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. Visitors have downloaded this file "MCS9901_XP.zip" 77 times with an aggregate rating of 5 out of 5 stars based on 2 reviews. The uploader reports that this update will work successfully on PCs running Windows XP. The total disk space used for this update is 1.8 MB.


2 Ratings
77 Downloads

Supported Models

MCS9901

High-Speed PCIe Serial Port

PCI-Express Multi-IO Controller

PCIe ECP Parallel Port

PCIe-IO Bridge

PCIe-ISA Communication Port

PCIe-ISA Parallel Port

Manufacturers

MosChip

Supported Operating Systems

Windows XP (64 bit)

File Name

Versions

1.0.0.10 (22-Jan-2010)

Additional Notes

PCI and PCI Express Connectivity

Single lane PCI Express (PCIe) based Peripheral Controller

Uploaded By

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

How to Update MCS9901 Device Drivers

Step 1 - Download Your Driver

To get the MCS9901 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 MCS9901 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

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:

  1. Right-click the Start button to open the Quick Access menu.

  2. Select "Device Manager" from the list of options.

  3. In the Device Manager window, locate the device that needs updating.

  4. Right-click on the device name and choose "Update driver" from the context menu.

  5. 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.

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
MCS9901_XP/AMD64/ISASerial.sys 82.9 KB 29 Jan 2008
MCS9901_XP/AMD64/MOSCHIP_PCIeUninst.exe 49.2 KB 29 Jan 2008
MCS9901_XP/AMD64/PCIeCoInst.dll 12.8 KB 29 Jan 2008
MCS9901_XP/AMD64/PCIePorts.dll 77.3 KB 29 Jan 2008
MCS9901_XP/AMD64/PPorts.sys 137.2 KB 29 Jan 2008
MCS9901_XP/AMD64/SPorts.sys 138.2 KB 29 Jan 2008
MCS9901_XP/MCS9901_WinXP_UM_Ver0.3.pdf 1.4 MB 19 Feb 2008
MCS9901_XP/PCIeMF.inf 11.3 KB 29 Jan 2008
MCS9901_XP/PCIeNull.inf 1.9 KB 29 Jan 2008
MCS9901_XP/PCIePorts.inf 17.1 KB 29 Jan 2008
MCS9901_XP/PCIeSetup.exe 266.2 KB 29 Jan 2008
MCS9901_XP/X86/ISASerial.sys 67.1 KB 29 Jan 2008
MCS9901_XP/X86/MOSCHIP_PCIeUninst.exe 49.2 KB 29 Jan 2008
MCS9901_XP/X86/PCIeCoInst.dll 9.2 KB 29 Jan 2008
MCS9901_XP/X86/PCIePorts.dll 63.5 KB 29 Jan 2008
MCS9901_XP/X86/PPorts.sys 83.5 KB 29 Jan 2008
MCS9901_XP/X86/SPorts.sys 117.2 KB 29 Jan 2008
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