MosChip MCS7830 User manual

MCS7830 User Manual for Windows 7/ Vista
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MCS7830
USB2.0 to High Speed Ethernet Adapter
User Manual
For Windows7 / Vista 32-bit and 64-bit
Contents: Page
1. Driver installation for Windows7/ Vista 32-bit: ...................................................... 1
2. MCS7830 Device Installation & Detection:............................................................. 3
3. Uninstalling MCS7830 Device & Drivers:............................................................... 3
4. Driver Installation in Windows7/ Vista 64-bit:......................................................... 5
4.1 Preparing win7/Vista 64-bit for Driver installation:......................................... 5
4.2 Installing the Driver in Windows7/Vista 64-bit:............................................... 5
4.3 Installing WHQL certified Driver in Windows7/Vista………….…………….6
5. Support:..................................................................................................................... 8
1. Driver installation for Windows7/ Vista 32-bit:
Download the MCS7830driver from Moschip Website at:
http://www.moschip.com/html/download_drivers.html. The driver disk consists of
Setup.exe, Uninst.exe and related folders containing installation files.
Use ―Setup.exe‖ utility to install the driver. Double click on Setup.exe to start the
installation process. Make sure that the User installing the driver must be a member of the
Administrator group on the system

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You will get a ―User Account Control‖ window saying “An unidentified program wants
access to your computer”. Click on Allow to continue installing the Driver.
You will get an installation window and press ―Install‖ button to install the drivers for
High-Speed USB Ethernet adapter
During the installation process, a ―Windows Security‖ warning message pops up
informing that "Windows cannot verify the publisher of this driver software". Ignore the
warning message by clicking on the option “install this driver software anyway”.
You will get the above message two times and you have to select “install this driver
software anyway”.
The utility displays a message stating ―Installation completed‖. Use ―Exit‖ button to
complete the driver installation.

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2. MCS7830 Device Installation & Detection:
Connect MCS7830 to the USB Host controller of the PC using a USB cable. The first
time you plug-in the cable into the USB port, Windows will start installing the device
driver software. You can see the installation status at the pop-up message of system tray.
After installation, the pop-up message says “Your devices are ready to use”, Device
driver software installed successfully.
MCS7830 device detection can be confirmed by checking at the Device manager. Check
for ―MosChip High-Speed USB Ethernet Adapter‖under Network adapters.
Now the MCS7830 device is ready to use.
3. Uninstalling MCS7830 Device & Drivers:
There are 3 methods to uninstall the driver for MCS7830
Method 1:
Use ―Uninst.exe‖ to uninstall the MCS7830device driver from your PC. Double click on
Uninst.exe to run the uninstaller. You will get a ―User Account Control‖ window saying

MCS7830 User Manual for Windows 7/ Vista
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“An unidentified program wants access to your computer”. Click on Allow to continue
uninstalling the driver.
When Uninstaller prompts for confirmation click on OK
After uninstalling the driver, where you need to use the exit button to complete the
uninstall process.
No need to restart the PC, unless prompted by the OS.
Method 2:
The driver can also be uninstalled through Control Panel –> Programs and Features ->
Select ―MosChip High-Speed USB Ethernet adapter‖ from list and then click Uninstall.
This will remove the MCS7830 device driver from your PC
Method 3:
The MCS7830 device driver can also be uninstalled through ―Device Manager‖ as well.
Go to Device Manager, Select MosChip High-Speed USB MultiSerial Compound Device
from the ―Network adapters‖, Right Click on it, Select ―Uninstall‖
When prompted to confirm device uninstall, check the option ―Delete the driver software
for this device‖ and click on OK.
If you want to uninstall only the device, but retain the software driver for this device, just
click on OK without selecting the option ―Delete the driver software for this device‖.

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4. Driver Installation in Windows7/Vista 64-bit:
The 64-bit version of Windows7/ Vista is the first version of Windows that will only
allow signed drivers and this restriction is built-in. Currently, MCS7830 drivers are
unsigned. Till we get signed drivers, we request you to follow some prerequisites before
installing the driver.
4.1 Preparing Win7/ Vista 64-bit for Driver installation:
Using the F8 option: Press F8 key on your keyboard while booting your PC. You
will get into ―Advanced Boot Options‖. Select ―Disable Driver Signature
Enforcement‖.
An F8 Advanced Boot Option introduced with Windows7/Vista—―Disable Driver
Signature Enforcement‖—is available to disable the kernel-signing enforcement
only for the current boot session. This setting does not persist across boot sessions.
Note: Make sure to use F8 option every time you boot/reboot your PC before start
working with MCS7830
Make sure that the User installing the driver must be a member of the
Administrator group on the system.
4.2 Installing the Driver in Windows7/ Vista 64-bit:
Before running the installer (Setup.exe) or uninstaller (Uninst.exe) utility of
MCS7830, right click on them and select ―Run as administrator‖. The same is shown
in the following figure.

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Note: Running the setup utilities as administrator is required, as “User Account Control
(UAC) is enabled by default in Windows7/ Vista, which does not allow the user to make
changes to OS components. If UAC is disabled, you can install the driver without running
the setup utilities as an administrator.
The UAC can be turned ON/OFF at Control Panel -> User Accounts -> Click on ―Turn
User Account Control on or off‖ -> Here you can disable/enable the UAC.
The remaining install/uninstall procedure of Win7/ Vista 64-bit is same as Win7/ Vista
32-bit, as explained above.
4.3 Installing WHQL certified Driver in Windows7/Vista:
Use ―Setup.exe‖ utility to install the driver. Double click on Setup.exe to start the
installation process . Make sure that the User installing the driver must be a member of the
Administrator group on the system
You will get a ―User Account Control‖ window saying “An unidentified program wants
access to your computer”. Click on Allow to continue installing the Driver.

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After completion of install process, Connect MCS7830 to the USB Host controller of the
PC using a USB cable. The device detects automatically
MCS7830 device detection can be confirmed by checking at the Device manager. Check
for ―High-Speed USB Ethernet Adapter‖under Network adapters.

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5. Support:
Queries, Technical questions if any can be sent to [email protected] or
[email protected].