4-Port RS232 Serial PCI
with 16550 UART
Quick Installation Guide
Introduction
The 4-Port RS232 Serial PCI with 16550 UART is
a high-speed serial card that provides four
additional serial ports to your system.
Key Features and Benefits
• Compliant with PCI Local Bus Specification,
Revision 2.3
• Supports data transfer rate up to 230Kb/s
• Supports up to 256-byte FIFO buffer
System Requirements
• Pentium® or equivalent computer with an
available 32-/64-bit PCI or PCI-X slot
• Windows
Vista (32-/64-bit) / XP (32-/64-bit) / Server
2003 & 2008 (32-/64-bit) / Server 2008 R2
/ 2000 / ME / 98SE / 98 / DOS
®
8 (32-/64-bit) / 7 (32-/64-bit) /
04-0722B
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Package Contents
• 4-Port RS232 Serial PCI with 16550 UART
• Slot bracket with 2 DB9 (9-pin) serial
ports
• Driver CD
• Quick installation guide
Layout
Stripe
Stripe
Connector bracket
with 9-pin serial port
Serial port 4 (COMD)
Serial port 1 (COMA)
Figure 1: Layout
Serial port 3
(COMC)
Serial port 2
(COMB)
Note: Make sure the stripe on the ribbon cable is
align to the pin 1 of the serial header when
connected for proper connection.
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Hardware Installation
General instructions for installing the card are
provided below. Since the design of computer
cases and motherboards vary, refer to your
computer’ s reference manual for further
information, if needed.
Static Electricity Discharge may permanently
damage your system. Discharge any static
electricity build up in your body by touching your
computer’ s case for a few seconds. Avoid any
contact with internal parts and handle cards
only by their external edges.
1. Turn OFF the power to your computer and
any other connected peripheral devices.
2. Unplug the power cord and remove the
cover from the computer.
3. Remove the slot bracket from an available
PCI slot.
4. Connect the 2-Port DB9 (9-Pin) serial port
cable connector and remove another slot
bracket cover from from the system chassis.
See Figure 1 on page 2 for more details. Skip
this step if you only need two serial ports.
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5. To install the card, carefully align the card's
bus connector with the selected PCI slot on
the motherboard. Push the board down
firmly, but gently, until it is well seated.
6. Replace the slot bracket's holding screw to
secure the card.
7. Mount the second serial port and secure it
with the slot bracket holding screw. Skip
this step if you only need two serial ports.
8. Replace the computer cover and reconnect
the power cord.
Driver Installation
This section provides information on how to
install the 4-Port RS232 Serial PCI with 16550
UART drivers.
Windows 8 (32-/64-bit) / 7 (32-/64-bit) /
Server 2008 R2
1. Install the board and boot up Windows.
Note: Windows 7 will automatically search
preconfigured driver folders for the proper
driver. This process may take several
minutes. Do not interrupt this process.
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2. Right click Computer, click Manage, click
Device Manager.
3. Insert the driver CD. Starting from top,
right click PCI Serial Port under Other
Devices, click Update Driver Software.
Close the AutoPlay box if displayed.
4. Click Browse my computer for driver
software.
For 32-bit: Type in D:\32-bit, then click
Next. (Change D: to match your CD/DVD-
ROM drive letter)
For 64-bit: Type in D:\64-bit, then click
Next. (Change D: to match your CD/DVD-
ROM drive letter)
5. At Windows has successfully updated
your driver software, click Close.
6. Repeat steps 3-5.
7. Right click PCI Simple Communications
Controller, click Update Driver Software.
8. Repeat steps 4-5 to complete the installation.
Windows Vista (32-/64-bit)
1. Install the board and boot up Windows.
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