MosChip MCS9901 Driver Download (Official)
MosChip Drivers Ethernet Drivers Network Drivers
Supported Models
MCS9901 Driver
High-Speed PCIe Serial Port Driver
PCI-Express Multi-IO Controller Driver
PCIe ECP Parallel Port Driver
PCIe-IO Bridge Driver
PCIe-ISA Communication Port Driver
PCIe-ISA Parallel Port Driver
Manufacturers
Supported Operating Systems
Windows 7 (64 bit)
File Name
MCS9901_Win7.zip (1.5 MB)
Uploader Notes
PCI and PCI Express Connectivity
Single lane PCI Express (PCIe) based Peripheral Controller
Uploaded By
Dilipkumar (DG Staff Member) on 10-Apr-2010
Supported Devices
High-Speed PCIe Serial Port
| Manufacturer | MosChip Semiconductor Technology Ltd |
|---|---|
| Class | Ports |
| Hardware Ids | PCI\VEN_9710&DEV_9901&SUBSYS_1000A000&REV_00 |
| Compatible Hardware Ids |
PCI-Express Multi-IO Controller
| Manufacturer | MosChip Semiconductor Technology Ltd |
|---|---|
| Class | MultiFunction |
| Hardware Ids | PCI\VEN_9710&DEV_9901&SUBSYS_3001A000&REV_00 PCI\VEN_9710&DEV_9901&SUBSYS_3002A000&REV_00 PCI\VEN_9710&DEV_9901&SUBSYS_3003A000&REV_00 |
| Compatible Hardware Ids | No Compatible Hardware Ids found. |
PCIe ECP Parallel Port
| Manufacturer | MosChip Semiconductor Technology Ltd |
|---|---|
| Class | Ports |
| Hardware Ids | PCI\VEN_9710&DEV_9901&SUBSYS_2000A000&REV_00 PCI\VEN_9710&DEV_9901&SUBSYS_2000A000&REV_00\4&1C95CDEB&0&02E2 |
| Compatible Hardware Ids |
PCIe-IO Bridge
| Manufacturer | MosChip Semiconductor Technology Ltd |
|---|---|
| Class | System |
| Hardware Ids | PCI\VEN_9710&DEV_9909&SUBSYS_DEADDEAD&REV_00 PCI\VEN_9710&DEV_9909&SUBSYS_DEADDEAD&REV_00\4&1C95CDEB&0&00E2 |
| Compatible Hardware Ids |
PCIe-ISA Communication Port
| Manufacturer | MosChip Semiconductor Technology Ltd |
|---|---|
| Class | Ports |
| Hardware Ids | |
| Compatible Hardware Ids | No Compatible Hardware Ids found. |
PCIe-ISA Parallel Port
| Manufacturer | MosChip Semiconductor Technology Ltd |
|---|---|
| Class | Ports |
| Hardware Ids | |
| Compatible Hardware Ids | No Compatible Hardware Ids found. |
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| MCS9901_Win7/MCS9901_Win7_UM_Ver1.0.pdf | 845.0 KB | 2 Feb 2010 |
| MCS9901_Win7/Win7_32Bit/PCIeMF.inf | 8.2 KB | 18 Dec 2009 |
| MCS9901_Win7/Win7_32Bit/PCIeNull.inf | 1.6 KB | 18 Dec 2009 |
| MCS9901_Win7/Win7_32Bit/PCIePorts.cat | 12.1 KB | 5 Jan 2010 |
| MCS9901_Win7/Win7_32Bit/PCIePorts.inf | 11.8 KB | 18 Dec 2009 |
| MCS9901_Win7/Win7_32Bit/PCIeSetup32.exe | 262.1 KB | 19 Oct 2009 |
| MCS9901_Win7/Win7_32Bit/X86/ISASerial.sys | 65.5 KB | 5 Jun 2008 |
| MCS9901_Win7/Win7_32Bit/X86/MOSCHIP_PCIeUninst.exe | 49.2 KB | 19 Oct 2009 |
| MCS9901_Win7/Win7_32Bit/X86/PCIePorts.dll | 63.5 KB | 30 Jul 2009 |
| MCS9901_Win7/Win7_32Bit/X86/PPorts.sys | 81.9 KB | 23 Jul 2009 |
| MCS9901_Win7/Win7_32Bit/X86/SPorts.sys | 115.7 KB | 17 Aug 2009 |
| MCS9901_Win7/Win7_64Bit/AMD64/ISASerial.sys | 68.6 KB | 5 Jun 2008 |
| MCS9901_Win7/Win7_64Bit/AMD64/MOSCHIP_PCIeUninst.exe | 334.8 KB | 19 Oct 2009 |
| MCS9901_Win7/Win7_64Bit/AMD64/PCIePorts.dll | 77.3 KB | 30 Jul 2009 |
| MCS9901_Win7/Win7_64Bit/AMD64/PPorts.sys | 95.7 KB | 23 Jul 2009 |
| MCS9901_Win7/Win7_64Bit/AMD64/SPorts.sys | 122.9 KB | 17 Aug 2009 |
| MCS9901_Win7/Win7_64Bit/PCIeMF.inf | 8.2 KB | 18 Dec 2009 |
| MCS9901_Win7/Win7_64Bit/PCIeNull.inf | 1.6 KB | 18 Dec 2009 |
| MCS9901_Win7/Win7_64Bit/PCIePorts.cat | 12.2 KB | 5 Jan 2010 |
| MCS9901_Win7/Win7_64Bit/PCIePorts.inf | 11.8 KB | 18 Dec 2009 |
| MCS9901_Win7/Win7_64Bit/PCIeSetup64.exe | 359.9 KB | 19 Oct 2009 |
Related Driver Updates
How to Update MCS9901 Device Drivers Quickly & Easily
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 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 Driver Update Utility for MCS9901. 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. Many 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 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
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.