MosChip MCS7840 User manual
MCS7840 User Manual
Rev 1.0 For WinXP/2000 Page 1 25t July, 2006
USB2.0 to Four Hig Speed Serial Ports
User Manual
For Windows XP / 2000
MCS7840 User Manual
Rev 1.0 For WinXP/2000 Page 2 25t July, 2006
Contents . . . . . . Page
1. Installation …………………………………. 3
2. MCS7840 Device Detection ……………………… 5
3. Un-Installation …………………………………… 11
4. Installation / Detection / Un-Installation of
MCS7840 on Win 2000 OS ……………………… 14
5. About MCS7820 ………………………………….. 14
6. Support ………………………………………….. 14
7. Revision istory ………………………………….. 14
MCS7840 User Manual
Rev 1.0 For WinXP/2000 Page 3 25t July, 2006
Download the MCS7840 driver from MosChip Website, www.moschip.com . The driver
dis consists of MSSetup.exe, MSUninst.exe and related folders for Win XP/2K and
Win 98/ME operating systems.
Use “MSSetup.exe” utility to install the driver. Double clic on the utility to start the
installation process. Press “Install” button to install the drivers for High-Speed USB
Multi serial Device.
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MCS7840 User Manual
Rev 1.0 For WinXP/2000 Page 4 25t July, 2006
During the installation process, a warning message will popup informing the user that the
software being used has not passed the Windows Logo testing. You can ignore the
warning message by clic ing on the option “Continue Anyway”.
The utility will display a message stating “Installation completed”. Use “Exit” button to
complete the driver installation.
MCS7840 User Manual
Rev 1.0 For WinXP/2000 Page 5 25t July, 2006
Connect MCS7840 to the USB Host controller of the PC using a USB cable. The first
time you plug the adapter into the USB port, Windows will bring up the "Found New
Hardware Wizard" window to guide you through the initial configuration process.
Select the option “No, not t is time” and clic on “Next” button to continue.
The following wizard helps you install the software for “High-Speed USB Multi Serial
Compound device”. Select the option “Install t e software automatically” and clic on
“Next” to proceed further.
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MCS7840 User Manual
Rev 1.0 For WinXP/2000 Page 6 25t July, 2006
As specified in earlier section, a warning message will popup informing the user that the
software being used has not passed the Windows Logo testing. You can ignore the
warning message by clic ing on the option “Continue Anyway”.
MCS7840 User Manual
Rev 1.0 For WinXP/2000 Page 7 25t July, 2006
The following window conveys that the OS had finished installing the software for
“High-Speed USB Multi Serial Compound Device”. Clic on “Finis ” to complete
found new hardware wizard.
MCS7840 User Manual
Rev 1.0 For WinXP/2000 Page 8 25t July, 2006
Follow the same steps as explained for “High-Speed USB Multi Serial Compound
Device” to eac of t e four serial ports.
Select the option “Install t e software automatically”……
MCS7840 User Manual
Rev 1.0 For WinXP/2000 Page 9 25t July, 2006
“Continue Anyway”……
MCS7840 User Manual
Rev 1.0 For WinXP/2000 Page 10 25t July, 2006
The following wizard indicates that the OS has completed installing the software for the
first serial port. Continue the same process for installing the rest of the serial ports.
MCS7840 device detection can be confirmed by chec ing the Device manager. Chec for
“Hig -Speed USB Multi Serial Compound Device” under Universal Serial Bus
Controllers and “Hig -Speed USB Serial Port (Com X)” under the category Ports
(COM & LPT)
Now t e MCS7840 Device is ready to use.
MCS7840 User Manual
Rev 1.0 For WinXP/2000 Page 11 25t July, 2006
Use “MSUninst.exe” to uninstall the MCS7840 device driver from your PC. Double
clic on the utility to run the Uninstaller. Clic on OK to proceed further.
Use the “Exit” button to complete the Uninstaller utility. No need to restart the PC,
unless prompted by the OS.
The driver can also be uninstalled from Control panel – Add / Remove Programs.
Select the “High-Speed Multi Serial Compound Device” from the Add / Remove panel
and clic on “Remove” option. This will remove the MCS7840 device driver from the
PC.
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MCS7840 User Manual
Rev 1.0 For WinXP/2000 Page 12 25t July, 2006
The MCS7840 device driver can be un-loaded through “Device Manager” as well. Go to
Device Manager, Select High-Speed USB Multi Serial Compound Device from the
Universal serial Bus controllers, Right Clic on it, Select “Uninstall” as shown below.
MCS7840 User Manual
Rev 1.0 For WinXP/2000 Page 13 25t July, 2006
The OS will prompt the user whether to uninstall the device from the system. Clic on
“OK” to uninstall or “Cancel” to terminate the un-installation.
The Installation, Detection and Un-Installation procedures explained for Win XP OS
holds good for Win 2000 OS as well. The only difference being, there is no need of user
intervention during the detection of MCS7840. When you connect MCS7840 to the USB,
Win 2000 OS will automatically detect the device without interference of the user.
MCS7820 offers USB2.0 to two Serial Ports, installation process of MCS7820 would be
similar to that of MCS7840. In case of MCS7820, user can see two High speed USB
based Serial ports.
T ank you for using t e user manual of MCS7840 – Hig Speed USB to Four Serial
Compound Device.
Queries, Tec nical questions if any can be sent to tec support@mosc ip.com or
support@mosc ip.com .
Version Initiated by C ange details Date
1.0 George Sridhar Initial release 25th July 2006
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