StarTech.com PEX4S552 User manual

PEX4S552
4 Port Dual Prole
PCI-Express UART
Serial Card
Manual Revision:01/18/2011
For the most up-to-date information, please visit www.startech.com

FCC Compliance Statement
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications. However, there is
no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning
the equipment off and on, the user is encouraged to try to correct the interference by one or
more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Use of Trademarks, Registered Trademarks, and other Protected Names and Symbols
This manual may make reference to trademarks, registered trademarks, and other protected
names and/or symbols of third-party companies not related in any way to StarTech.com.
Where they occur these references are for illustrative purposes only and do not represent an
endorsement of a product or service by StarTech.com, or an endorsement of the product(s) to
which this manual applies by the third-party company in question. Regardless of any direct
acknowledgement elsewhere in the body of this document, StarTech.com hereby acknowledges
that all trademarks, registered trademarks, service marks, and other protected names and/or
symbols contained in this manual and related documents are the property of their respective
holders.

Instruction Manual
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Instruction Manual
Table of Contents
Introduction ................................................................................... 1
Features ......................................................................................1
Package Contents .......................................................................1
Installation...................................................................................... 2
Software (Drivers)........................................................................2
Windows® 2000/XP/Server 2003 ..................................................2
Windows® XP(x64), Server 2003(x64)..........................................2
Windows Vista™............................................................................3
Windows Vista™ (x64)...................................................................3
Hardware Installation...................................................................4
Verifying Windows Driver Installation...........................................4
Specifications ................................................................................ 5
Technical Support ......................................................................... 6
Warranty Information .................................................................... 6

Instruction Manual
1
Introduction
Thank you for purchasing a StarTech.com PEX4S552 4 Port Dual Profile
PCI-Express UART Serial Card. Turning a PCI Express slot into four
available RS-232 (DB9) serial connections, this innovative card utilizes a
native, single-chip design for optimal performance and reliability.
Compatible with a broad range of operating systems, including Windows®
2000/XP/2003/Vista™ (32-bit and 64-bit), Linux Kernel 2.6.11 and up,
and MAC OS 10.4 and above, the PEX4S552 PCI Express Serial Card
also features an optional low profile bracket that allows the card to be
installed in virtually any computer case regardless of the form factor of
the case.
Features
• 128-byte deep FIFO per transmitter and receiver
• Automated in-band software flow control using programmable Xon Xoff
in both directions
• Automated out-of-band flow control using CTS/RTS and DSR/DTR
• Compliant with PCI Express base specifications revision 1.0a
• Four high speed RS-232 serial ports with data transfer rate up to 460.8
Kbps
• Native single-Chip, single lane PCI Express
Package Contents
• 1 x 4 Port PCI-Express RS-232 Serial Card
• 1 x Driver CD
• 4 x LP brackets
• 1 x Instruction Manual

Instruction Manual
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Installation
Please note: Prior to hardware installation, please ensure that the neces-
sary software has been installed on the host computer as detailed below.
Software (Drivers)
Windows® 2000/XP/Server 2003
1. From the Windows® desktop click Start, then Run.
2. In the command line that appears, type:
x:\PCIe\MCS9901\XP\PCIeSetup32.exe,
(where xrepresents the location of the CD/DVD-ROM drive).
3. Click on OK.
4. Click on Install to begin installing the drivers.
5. Click the Exit button to complete the driver installation, then shut down
the PC.
6. Install the PCIe card in an available PCI Express slot on the host
computer. For further reference, please see the section titled
Hardware Installation.
7. Once the PEX4S552 card has been installed within the system, power
up the computer. Once the operating system boots, Windows® will
automatically start installing the device driver software.
Windows® XP(x64), Server 2003(x64)
1. From the Windows® desktop click Start, then Run.
2. In the command line that appears, type:
x:\PCIe\MCS9901\XP64\PCIeSetup64.exe:\PCIe\MCS9901\XP\
PCIeSetup32.exe,
(where xrepresents the location of the CD/DVD-ROM drive).
3. Click on OK.
4. Click on Install to begin installing the drivers.
5. Click the Exit button to complete the driver installation, then shut down

Instruction Manual
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the PC.
6. Install the PCIe card in an available PCI Express slot on the host
computer. For further reference, please see the section titled “Hard-
ware Installation”.
7. Once the PEX4S552 card has been installed within the system, power
up the computer. Once the operating system boots, Windows® will
automatically start installing the device driver software.
Windows Vista™
1. From the Windows® desktop click Start, then Run.
2. In the command line that appears, type:
x:\PCIe\MCS9901\Vista32\PCIeSetup32.exe
(where xrepresents the location of the CD/DVD-ROM drive)
3. Click on OK.
4. Click on Install to begin installing the drivers.
5. Click the Exit button to complete the driver installation, then shut down
the PC.
6. Install the PCIe card in an available PCI Express slot on the host
computer. For further reference, please see the section titled Hard-
ware Installation.
Windows Vista™ (x64)
1. From the Windows® desktop click Start, then Run.
2. In the command line that appears, type:
x:\PCIe\MCS9901\Vista64\PCIeSetup64.exe
(where xrepresents the location of the CD/DVD-ROM drive)
3. Click on OK.
4. Click on Install to begin installing the drivers.
5. Click the Exit button to complete the driver installation, then shut down
the PC.

Instruction Manual
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6. Install the PCIe card in an available PCI Express slot on the host
computer. For further reference, please see the section titled Hard-
ware Installation.
Hardware Installation
1. Turn off the power to the computer.
2. Unplug the power cord and remove your computer’s cover.
3. Remove the slot bracket from an available PCIe slot.
4. To install the card, carefully align the card’s bus connector with the
selected PCIe slot on the motherboard. Push the board down firmly.
5. Replace the slot bracket holding screw to secure the card.
6. Replace the computer cover and reconnect the power cord.
Verifying Windows Driver Installation
1. Right click My Computer, then click Manage. Click Device Manager.
2. Click on the +(plus sign) in front of Ports in the right pane (COM &
LPT). Four High-Speed PCIe Serial Port should be displayed.

Instruction Manual
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Specications
Specification PEX4S552
Bus Type PCI Express
Chipset MOSCHIP MCS9901
Power Output Selectable Output from Pin 9 of
Serial Port
Operating Systems Supported
Windows 2000/XP/2003/Vista™
(x32 and x64)
Linux Kernel 2.6.11 & above
MAC 10.4 & above

Instruction Manual
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Technical Support
StarTech.com’s lifetime technical support is an integral part of our
commitment to provide industry-leading solutions. If you ever need
help with your product, visit www.startech.com/support and access our
comprehensive selection of online tools, documentation, and downloads.
Warranty Information
This product is backed by a lifetime warranty.
In addition, StarTech.com warrants its products against defects in
materials and workmanship for the periods noted, following the initial date
of purchase. During this period, the products may be returned for repair,
or replacement with equivalent products at our discretion. The warranty
covers parts and labor costs only. StarTech.com does not warrant its
products from defects or damages arising from misuse, abuse, alteration,
or normal wear and tear.
Limitation of Liability
In no event shall the liability of StarTech.com Ltd. and StarTech.com USA
LLP (or their officers, directors, employees or agents) for any damages
(whether direct or indirect, special, punitive, incidental, consequential, or
otherwise), loss of profits, loss of business, or any pecuniary loss, arising
out of or related to the use of the product exceed the actual price paid
for the product. Some states do not allow the exclusion or limitation of
incidental or consequential damages. If such laws apply, the limitations or
exclusions contained in this statement may not apply to you.

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