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 portcable 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 16550UART 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 OtherDevices, 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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2.At the Found New Hardware window,
click Locate and install driver software(recommended), then click Continue.
3.Click I don't have the disk. Show me otheroptions.
4.Insert the driver CD. Click Browse mycomputer for driver software.
5.
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)
6.At The software for this device has beensuccessfully installed, click Close.
7.Repeat steps 3-6 to complete the installation.
Windows XP (32-/64-bit) / Server 2003
(32-/64-bit)
1.Install the board and boot up Windows.
2.At the Found New Hardware Wizard, select
No, not this time, click Next. (Skip this step
if not prompted)
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3.Select Install from a list or specific
location, then click Next.
4.Insert the driver CD. Select Include this
location in the search, uncheck the other
box.
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.Click Finish.
6. Repeat steps 2-5 to complete the installation.
Windows Server 2008 (32-/64-bit)
1.Install the board and boot up Windows.
2.At the Found New Hardware window,
click Locate and install driver software(recommended).
3.Insert the driver CD.
4.Click Don't search online.
5.Click I don't have the disc. Show me otheroptions.
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6.Click Browse my computer for driver
software (advanced).
7.
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)
8.Click Close.
9.Repeat steps 4-8 to complete the installation.
Windows 2000
1.At the Found New Hardware Wizard, click
Next.
2.Select Search for a suitable driver for my
device (recommended), then click Next.
3.Check Specify a location, uncheck the other
options and click Next.
4.Insert the driver CD, type in D:\2000, then
click OK. (Change D: to match your CD/
DVD-ROM drive letter)
5.Click Next, then click Finish.
6.Repeat steps 1-5 to complete the installation.
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To Verify Windows Installation
1.Check in Device Manager to verify
installation.
For Windows 8 / 7 / XP / Server 2003 & 2008
/ Server 2008 R2 / 2000: Right click Computer
or My Computer, click Manage, then click
Device Manager.
For Windows Vista: Right click Computer,
click Manage, click Continue, then clickDevice Manager.
For Windows Server 2008: Right click
Computer, click Manage, double click
Diagnostics, then click Device Manager.
2.Double click Ports (COM & LPT), HighSpeed PCI Serial Port listed two timesand
PCI-ISA Communication listed two
times...should be displayed.
3.Double click Multifunction adapters, PCIMultifuntion-IO Controller should be
displayed.
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Changing Serial Port Number
Some serial port devices need a specific
communication port in order to function properly.
If your serial port device works, do not make any
changes. This feature available in Windows 8/
7/Vista/XP/Server 2003 & 2008/Server 2008
R2/2000 only.
1.Right click My Computer, click Manage,
then click Device Manager.
2.Click on the + (plus sign) in front of Ports
(COM & LPT), double click the High-Speed
PCI Serial serial port you want to change.
3.Click the Port Settings tab.
4.Click Change Port Number or Advanced.
5.Click the down arrow next to the COM Port
Number box. Select a communication port
that is not in use, then click OK.
6.Click OK to save the changes.
Windows ME
1.At the Add New Hardware Wizard, select
Specify the location of the driver
(Advanced), click Next.
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2.Check Specify a location, uncheck the other
box, insert the driver CD, type in D:\ME,
then click Next. (Change D: to match your
CD/DVD-ROM drive letter)
3.Click Next, then Finish.
4.Type in D:\ME, then click OK to complete
the installation. (Change D: to match your
CD/DVD-ROM drive letter)
Windows 98 / 98SE
1.At the Add New Hardware Wizard, click
Next.
2.Select Search for the best driver for your
device. (Recommended), then click Next.
3.Select Specify a location, uncheck the other
boxes, insert the driver CD, type in D:\9x,
then click Next. (Change D: to match your
CD/DVD-ROM drive letter)
4.Click Next, then Finish. If prompted, at the
Insert Disk box click OK. Type in D:\9x,
click OK to complete the installation.
(Change D: to match your CD/DVD-ROM
drive letter)
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To Verify Windows ME / 98SE / 98 /
Installation
1.Right click Computer or My Computer,
click Properties, click Device Manager.
2.Click on the + (plus sign) in front of Ports
(COM & LPT), and a M65-PCI Serial Port
... should be displayed four times.
3.Double click M65Multifunction, M65-PCI
Multi-I/O Controller should be displayed.
DOS
1.Insert the driver CD. From the C:\> prompt,
type copy D:\dos\*.*, and press Enter.
(Change D: to match your CD-ROM drive
letter)
2.Type edit autoexec.bat, and press Enter.
3.Add C:\Gemdosin.exe -a -r at the bottom
of the Autoexec.bat file.
4.Go to File, save the changes and exit.
5.Restart your system for the new setup to
take effect.
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Technical Support and Warranty
QUESTIONS? SIIG’ s Online Support has answers! Simply visit our web site at
www.siig.com and click Support. Our online support database is updated daily with
new drivers and solutions. Answers to your questions could be just a few clicks away.
You can also submit questions online and a technical support analyst will promptly
respond.
SIIG offers a 2-year manufacturer warranty with this product. This warranty covers the
original purchaser and guarantees the product to be free of any defects in materials or
workmanship for two (2) years from the date of purchase of the product.
SIIG will, at our discretion, repair or replace (with an identical product or product
having similar features and functionality) the product if defective in materials or
workmanship. This warranty gives you specific legal rights, and you may also have other
rights which vary from state to state. Please see our web site for more warranty details.
If you encounter any problems with this product, please follow the procedures below.
A) If it is within the store's return policy period, please return the product to the store
where you purchased from.
B) If your purchase has passed the store's return policy period, please follow the steps
below to have the product repaired or replaced.
Step 1: Submit your RMA request.
Go to www.siig.com, click Support, then REQUEST A PRODUCT REPLACEMENT
to submit a request to
will be processed, if the product is determined to be defective, an RMA number will
be issued.
Step 2: After obtaining an RMA number, ship the product.
• Properly pack the product for shipping. All accessories that came with the
original package must be included.
• Clearly write your RMA number on the top of the returned package. SIIG will
refuse to accept any shipping package, and will not be responsible for a product
returned without an RMA number posted on the outside of the shipping
carton.
• You are responsible for the cost of shipping to SIIG. Ship the product to the
following address:
SIIG, Inc.
6078 Stewart Avenue
Fremont, CA 94538-3152, USA
RMA #:
• SIIG will ship the repaired or replaced product via Ground in the U.S. and
International Economy outside of the U.S. at no cost to the customer.
SIIG RMA or fax a request to 510-657-5962. Your RMA request
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About SIIG, Inc.
Founded in 1985, SIIG, Inc. is a leading manufacturer of IT connectivity
solutions (including Serial ATA and Ultra ATA Controllers, FireWire, USB,
and legacy I/O adapters) that bridge the connection between Desktop/
Notebook systems and external peripherals. SIIG continues to grow by adding
A/V and Digital Signage connectivity solutions to our extensive portfolio.
SIIG products offer comprehensive user manuals, many user-friendly features,
and are backed by an extensive manufacturer warranty. High quality control
standards are evident by the overall ease of installation and compatibility of
our products, as well as one of the lowest defective return rates in the industry.
SIIG products can be found in computer retail stores, mail order catalogs,
through major distributors, system integrators, and VARs in the Americas and
the UK, and through e-commerce sites.
4-Port RS232 Serial PCI with 16550 UART
FCC RULES: TESTED TO COMPLY WITH FCC PART 15, CLASS B
OPERATING ENVIRONMENT: FOR HOME OR OFFICE USE
This device complies with part 15 of the FCC Rules. Operation is subject
to the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
THE PARTY RESPONSIBLE FOR PRODUCT COMPLIANCE
SIIG, Inc.
6078 Stewart Avenue
Fremont, CA 94538-3152, USA
Phone: 510-657-8688
4-Port RS232 Serial PCI with 16550 UART is a trademark of SIIG, Inc. SIIG and the SIIG logo
are registered trademarks of SIIG, Inc. Microsoft and Windows are registered trademarks of
Microsoft Corporation. All other names used in this publication are for identification only
and may be trademarks of their respective owners.