The PCI-E 4S1P IO CARD is a removable drive manufactured by ST Lab. This version of "mcs9901.exe" is rated (4 out of 5 stars) based on 56 downloads and 4 reviews. It is compatible with PCs running Windows Vista and Windows XP, among other operating systems. The total disk space used for this update is 2.6 MB.
PCI-E 4S1P IO CARD
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
Windows Vista, Windows Vista (64 bit), Windows 2003, Windows 2003 (64 bit), Windows XP, Windows XP (64 bit), Windows 2000
mcs9901.exe (2.6 MB)
1.0.0.5 (2008-02-20) via .inf
PCI Express I/O Card Driver File
I-460 PCIe IO Card 4 Serial Ports plus 1 Parallel Port
Karthikkumar (DG Staff Member) on 17-Apr-2009
PCI\VEN_9710&DEV_9901&SUBSYS_1000A000&REV_00
PCI\VEN_9710&DEV_9901&SUBSYS_2000A000&REV_00
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
PCI\VEN_9710&DEV_9901&SUBSYS_3004A000&REV_00
PCI\VEN_9710&DEV_9901&SUBSYS_3011A000&REV_00
PCI\VEN_9710&DEV_9902&SUBSYS_1000A000&REV_00
PCI\VEN_9710&DEV_9902&SUBSYS_2000A000&REV_00
PCI\VEN_9710&DEV_9909&SUBSYS_DEADDEAD&REV_00
To get the PCI-E 4S1P IO CARD 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 PCI-E 4S1P IO CARD 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.
After you get your new driver, you need to put it on your computer. On Windows, there's a tool called Device Manager that helps with this. It shows you all the parts of your computer and the drivers they use. To finish setting up the new driver, you'll probably need to turn your computer off and on again.
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 |
|---|---|---|
| DOS/MCS9901_DOS_UM_Ver0.4.pdf | 101.7 KB | 21 Feb 2008 |
| DOS/SXDOSIN.EXE | 48.1 KB | 15 Feb 2008 |
| Linux/MCS9901_Linux.tar.gz | 404.2 KB | 2 Apr 2008 |
| Mac/MCS9901_Mac.zip | 103.7 KB | 2 Apr 2008 |
| Mac/MCS9901_Mac.zip/._StarExDriver.pkg | 82 bytes | 27 Dec 2007 |
| Mac/MCS9901_Mac.zip/MCS9901_Mac_UM_Ver0.1.pdf | 52.6 KB | 12 Feb 2008 |
| Mac/MCS9901_Mac.zip/StarExDriver.pkg/Contents/Archive.bom | 35.6 KB | 27 Dec 2007 |
| Mac/MCS9901_Mac.zip/StarExDriver.pkg/Contents/Archive.pax.gz | 64.7 KB | 27 Dec 2007 |
| Mac/MCS9901_Mac.zip/StarExDriver.pkg/Contents/Info.plist | 1.4 KB | 27 Dec 2007 |
| Mac/MCS9901_Mac.zip/StarExDriver.pkg/Contents/PkgInfo | 8 bytes | 27 Dec 2007 |
| Mac/MCS9901_Mac.zip/StarExDriver.pkg/Contents/Resources/BundleVersions.plist | 190 bytes | 27 Dec 2007 |
| Mac/MCS9901_Mac.zip/StarExDriver.pkg/Contents/Resources/English.lproj/Description.plist | 359 bytes | 27 Dec 2007 |
| Mac/MCS9901_Mac.zip/StarExDriver.pkg/Contents/Resources/English.lproj/StarExDriver.info | 330 bytes | 27 Dec 2007 |
| Mac/MCS9901_Mac.zip/StarExDriver.pkg/Contents/Resources/StarExDriver.bom -> ../Archive.bom | 14 bytes | 18 Jul 2015 |
| Mac/MCS9901_Mac.zip/StarExDriver.pkg/Contents/Resources/StarExDriver.pax.gz -> ../Archive.pax.gz | 17 bytes | 18 Jul 2015 |
| Mac/MCS9901_Mac.zip/StarExDriver.pkg/Contents/Resources/StarExDriver.sizes | 46 bytes | 27 Dec 2007 |
| Mac/MCS9901_Mac.zip/StarExDriver.pkg/Contents/Resources/package_version | 17 bytes | 27 Dec 2007 |
| Vista32/PCIeMF.inf | 8.1 KB | 20 Feb 2008 |
| Vista32/PCIeNull.inf | 1.6 KB | 20 Feb 2008 |
| Vista32/PCIePorts.inf | 11.7 KB | 20 Feb 2008 |
| Vista32/PCIeSetup32.exe | 262.1 KB | 21 Mar 2008 |
| Vista32/X86/ISASerial.sys | 66.6 KB | 20 Feb 2008 |
| Vista32/X86/MOSCHIP_PCIeUninst.exe | 245.8 KB | 20 Mar 2008 |
| Vista32/X86/PCIePorts.dll | 63.5 KB | 29 Jan 2008 |
| Vista32/X86/PPorts.sys | 81.9 KB | 20 Feb 2008 |
| Vista32/X86/SPorts.sys | 113.7 KB | 20 Feb 2008 |
| Vista32/pcieports.cat | 15.2 KB | 7 Mar 2008 |
| Vista64/AMD64/ISASerial.sys | 72.2 KB | 20 Feb 2008 |
| Vista64/AMD64/MOSCHIP_PCIeUninst.exe | 333.8 KB | 20 Mar 2008 |
| Vista64/AMD64/PCIePorts.dll | 77.3 KB | 29 Jan 2008 |
| Vista64/AMD64/PPorts.sys | 95.7 KB | 20 Feb 2008 |
| Vista64/AMD64/SPorts.sys | 124.4 KB | 20 Feb 2008 |
| Vista64/PCIeMF.inf | 8.1 KB | 20 Feb 2008 |
| Vista64/PCIeNull.inf | 1.6 KB | 20 Feb 2008 |
| Vista64/PCIePorts.inf | 11.7 KB | 20 Feb 2008 |
| Vista64/PCIeSetup64.exe | 359.4 KB | 21 Mar 2008 |
| Vista64/pcieports.cat | 15.2 KB | 7 Mar 2008 |
| XP/PCIeMF.inf | 8.1 KB | 20 Feb 2008 |
| XP/PCIeNull.inf | 1.6 KB | 20 Feb 2008 |
| XP/PCIePorts.inf | 11.7 KB | 20 Feb 2008 |
| XP/PCIeSetup32.exe | 262.1 KB | 21 Mar 2008 |
| XP/X86/ISASerial.sys | 64.5 KB | 20 Feb 2008 |
| XP/X86/MOSCHIP_PCIeUninst.exe | 245.8 KB | 20 Mar 2008 |
| XP/X86/PCIePorts.dll | 63.5 KB | 29 Jan 2008 |
| XP/X86/PPorts.sys | 81.2 KB | 20 Feb 2008 |
| XP/X86/SPorts.sys | 115.7 KB | 20 Feb 2008 |
| XP/pcieports.cat | 15.2 KB | 26 Mar 2008 |
| XP64/AMD64/ISASerial.sys | 82.9 KB | 20 Feb 2008 |
| XP64/AMD64/MOSCHIP_PCIeUninst.exe | 333.8 KB | 20 Mar 2008 |
| XP64/AMD64/PCIePorts.dll | 77.3 KB | 29 Jan 2008 |
| XP64/AMD64/PPorts.sys | 136.2 KB | 20 Feb 2008 |
| XP64/AMD64/SPorts.sys | 137.7 KB | 20 Feb 2008 |
| XP64/PCIeMF.inf | 8.1 KB | 20 Feb 2008 |
| XP64/PCIeNull.inf | 1.6 KB | 20 Feb 2008 |
| XP64/PCIePorts.inf | 11.7 KB | 20 Feb 2008 |
| XP64/PCIeSetup64.exe | 359.4 KB | 21 Mar 2008 |
| XP64/pcieports.cat | 15.3 KB | 26 Mar 2008 |