Product ID: PEX1S1P952
The PEX1S1P952 1S1P Native PCI Express Parallel/Serial Combo Card with 16950 UART turns a PCI Express slot into 1 RS232 (DB9) serial, and 1 parallel port.
The combo card features a native PCI Express single chip design that allows you to take advantage of full PCI Express capability, providing improved speed and reliability while reducing the load applied to the CPU by as much as 48% over conventional serial cards that use a bridge chip design.
This 1-Port Serial/1-Port Parallel card offers compatibility with a broad range of operating systems including Windows® (32/64-bit) and Linux, for easy integration into mixed environments. The card also features an optional low profile/half-height bracket that enables you to install the card in virtually any computer case, regardless of form factor.
Backed by a StarTech.com Lifetime warranty and free lifetime technical support.
|Connector(s)||1 - Connector Type(s)||PCI Express x1|
|1 - External Ports||DB-9 (9 pin, D-Sub)|
|DB-25 (25 pin, D-Sub)|
|Environmental||Operating Temperature||-10°C to 80°C (14°F to 176°F)|
|Storage Temperature||-20°C to 100°C (-4°F to 212°F)|
|Bus Type||PCI Express|
|Card Type||Standard Profile (LP bracket incl.)|
|Port Style||Integrated on Card|
|Industry Standards||PCI Express base spec 1.1
PCI Power Management 1.2
IEEE 1284-compliant SPP/EPP/ECP
|Chipset ID||PLX/Oxford - OXPCIe952|
|Packaging Information||Package Height||31.0 mm [1.2 in]|
|Package Length||17.4 cm [6.9 in]|
|Shipping (Package) Weight||148.0 g [5.2 oz]|
|Package Width||14.4 cm [5.7 in]|
|Performance||Maximum Data Transfer Rate||1.5Mbps - Parallel
115.2Kbps - Serial
|Data Bits||5, 6, 7, 8, 9|
|Flow Control||Automated in-Band, Xon/Xoff|
|Parity||Even, Odd, Mark, Space, None|
|Stop Bits||1, 1.5, 2|
|Physical Characteristics||Weight of Product||64.0 g [2.3 oz]|
|Product Length||80.0 mm [3.1 in]|
|Product Width||12.0 mm [0.5 in]|
|Product Height||6.5 cm [2.6 in]|
|Power||Power Consumption (In Watts)||0.2W|
|Software||OS Compatibility||Windows® CE 6.0 / 5.0, 95, 98SE, 2000, XP, XP Embedded, Vista, 7, 8, 8.1, 10, 11
Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016, 2019
Linux 2.4.x to 4.11.x LTS Versions only
|Microsoft WHQL Certified||Yes|
|Special Notes / Requirements||Note||Selectable power output on pin 9 of the serial port|
|What's in the Box||1 - Included in Package||1S1P PCI-Express Serial Parallel Combo Card|
|2 - Included in Package||Low Profile Brackets|
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Before you install the device, make sure that your operating system is current (for example, the most recent service pack is installed).
Note: Windows usually saves the files to the Downloads folder that is associated with your user account (for example, C:\Users\your_name\Downloads).
Note: The Select your device’s type from the list below screen does not appear on all systems. If you do not see this screen, skip this step.
Note: To view your system type, click Start. Right-click Computer, and then click Properties.
To check whether or not an RS-232 serial port is working, perform an RS-232 loopback test by doing the following:
Note: To open a telnet session on the COM port, you need a telnet client like PuTTY or Hyper Terminal. Windows XP comes with Hyper Terminal.
If the loopback test fails, make sure that the serial cable or gender changer that you are using works and that the adapter is in the correct port.
You can check multiple ports at the same time by opening multiple sessions, putting the loopback adapter on one port, and trying to type into each session. When you can see what you are typing, you know that the COM port is working and you can see which port number the physical serial port is. Close the window for the port that you just tested to speed up the testing of the remaining serial ports.
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When you troubleshoot issues with a serial or parallel hybrid device, there are some quick tests that you can complete to rule out potential problems. You can test to make sure that the following components are working correctly and are not the source of the issue:
Serial or parallel cables
Serial or parallel ports
Serial or parallel devices
To test your setup components, try the following:
Use the serial or parallel cable, serial or parallel port, and serial or parallel device in another setup to see if the problem is with the components or the setup.
Use a different serial or parallel cable, serial or parallel port, and serial or parallel device in your setup to see if the problem persists. Ideally, you should test a component that you know works in another setup.
When you test your cables, it is recommended that you do the following:
Test each cable individually.
Use short cables when you are testing.
When you test the serial or parallel ports and serial or parallel device, it is recommended that you do the following:
Press the Windows key + R, type devmgmt.msc, and press Enter to open Device Manager. Check to see if your device is listed under Ports (COM & LPT).
Make sure that the COM or LPT port number is the correct number for the serial or parallel device and that the software being used to connect the computer to the serial or parallel device uses the correct COM or LPT port number.
If you do not see the COM or LPT port number in Device Manager see this FAQ for PCI/PCIe expansion cards: https://www.startech.com/support/faqs/technical-support?topic=expansion-cards#pci-pcie-cannot-boot-os-or-detect-windows
or this FAQ for USB devices: https://www.startech.com/support/faqs/technical-support?topic=expansion-cards#usb-cannot-detect-windows
If the device is listed with an error, follow the instructions on the website to reinstall the drivers.
Note: Some serial devices work only if the COM or LPT port number is between a certain range. For example, COM1 to COM4 for serial and LPT1 and LPT2 for parallel.
Perform a serial loopback test. See this FAQ on how to perform a RS-232 serial loopback test: http://www.startech.com/faq/serial_loopback_test_rs232_windows
Note: There is not an equivalent loopback test that can be performed for parallel devices.
To confirm that Windows detects your expansion card, complete the following:
Your expansion card is listed according to the name of the chipset. To determine the name of the chipset of your expansion card, navigate to www.StarTech.com and look on the Technical Specifications tab for your product.
Serial cards derive power from the PCI or PCI Express slot on the motherboard. When you power serial devices from the serial card ports, the power provided by the slot may not be enough to power all of the devices and you should connect additional sources of power from the power supply. When you troubleshoot issues, you should connect an additional source of power.
Some signs that you are experiencing power-related issues include certain devices not working correctly, not all of the devices working at the same time, and certain devices not working at all.