
Features and Benefits
Compliant with PCI Local Bus Specification, Revision 2.3
Supports 2 x UART serial ports
Easy Plug and Play
Automatically selects IRQ & I/O address
Built-in 16C450/550 compatible UART
On chip 256 byte FIFOs in transmit and receive path of each
serial port
Serial data transfer rate up to 115200bps
Bus PCI 32-bit
Connectors 2 x DB9 male serial connectors
System Requirements
Windows® 2000, XP/2003, Vista,Windows 7
Available PCI slot
Package Contents
1 x 2-Port Serial PCI Card
1 x Driver CD
1 x User’s Manual
Hardware Installation
1. Turn Off the power to your computer.
2. Unplug the power cord and remove your computer’s cover.
3. Remove the slot bracket from an available PCI slot.
4. To install the card, carefully align the card’s bus connector
with the selected PCI slot on the motherboard. Push the
board down firmly.
5. Replace the slot bracket’s holding screw to secure the card.
6. Replace the computer cover and reconnect the power cord.

Driver Installation
For Windows® 2000/XP/Server 2003
1. Don’t insert the PCI card into PCI slot.
2. At the Windows desktop click Start, then Run.
3.
Select CD ROM:\SERIAL&PARALLEL\MCS9865
\MCS9865_XP\setup.exe
4. Press “Install” button to install the drivers.
5. Click “Exit” button to complete the driver installation.
6. Shutdown the PC.
7. Place the PCI card into PCI slot and then power on the
system.
8. Once the system gets booted the Windows will
automatically start installing the device driver software.
For Windows
®
XP-x64/Server 2003-x64
1. Don’t insert the PCI card into PCI slot.
2. Select CD ROM:\
SERIAL&PARALLEL\ MCS9865
\MCS9865_XP64\setup.exe
3. Press “Install” button to install the drivers.
4. Click “Exit” button to complete the driver installation.
5. Shutdown the PC.
6. Place the PCI card into the PCI slot then power on the
system.
7. Once the system gets booted the Windows will
automatically start installing the device driver software.

For Windows® Vista
1. Don’t insert the PCI card into PCI slot.
2. Select CD ROM:\ SERIAL&PARALLEL\MCS9865
\MCS9865_Vista\setup.exe
3. Press “Install” button to install the drivers.
4. Click “Exit” button to complete the driver installation.
5. Shutdown the PC.
6. Place the PCI card into PCI slot and then power on the
system.
7. Once the system gets booted the Windows will
automatically start installing the device driver software.
For Windows® Vista-x64
1. Don’t insert the PCI card into PCI slot.
2. Select CD ROM:\ SERIAL&PARALLEL\MCS9865
\MCS9865_Vista64\setup.exe
3. Press “Install” button to install the drivers.
4. Click “Exit” button to complete the driver installation.
5. Shutdown the PC.
6. Place the PCI card into PCI slot and then power on the
system.
7. Once the system gets booted the Windows will
automatically start installing the device driver software.

For Windows® 7 32bit
1. Don’t insert the PCI card into PCI slot.
2. Select CD ROM:\ SERIAL&PARALLEL\MCS9865
\MCS9865\Win 7\32bit\setup.exe
3. Press “Install” button to install the drivers.
4. Click “Exit” button to complete the driver installation.
5. Shutdown the PC.
6. Place the PCI card into PCI slot and then power on the
system.
7. Once the system gets booted the Windows will
automatically start installing the device driver software.
For Windows® 7 64bit
1. Don’t insert the PCI card into PCI slot.
2. Select CD ROM:\ SERIAL&PARALLEL\MCS9865
\MCS9865\Win 7\64bit\setup.exe
3. Press “Install” button to install the drivers.
4. Click “Exit” button to complete the driver installation.
5. Shutdown the PC.
6. Place the PCI card into PCI slot and then power on the
system.
7. Once the system gets booted the Windows will
automatically start installing the device driver software.
To Verify Windows® Driver Installation
Click on the Device Manager tab in System Properties, which
you access from the Windows Control Panel. You should see
two High-Speed PCI Serial Port … installed under Ports
(COM & LPT) item.