Follow the on-screen prompts to install the device drivers and restart the computer when prompted. Open a telnet session on the COM port number of the device that you are testing. Browse to the Drivers folder and open the bit or the bit folder, depending on your system type. Download the latest drivers from the StarTech. Need a little help getting started? The part number and product ID are on the product packaging. Check out our review guidelines.

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Check out our review guidelines. Tell us what you think of this product. Terms Privacy Site Feedback. Select the Let me pick from a list of device drivers on my computer option. The loopback test fails when you cannot see what you are typing.

Some cookies are essential to ensure our website works for you. Your computer will automatically complete the pi installation and your device should be ready to use. Copy Link Was this information helpful? Where To Buy ConXit.

Please enter a headline for your review. Click Browse my computer for driver software. For products related to this article, click here. You can test to make sure that the following components are working correctly and are not the source of the pcii.


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.

When you test your cables, it is recommended that you do the following: Serial or parallel cables Serial or parallel ports Serial or parallel devices To test your setup components, try the following: You may receive emails regarding this submission. What should I do?

SPEED2 LE1P – 2-Port Serial Parallel PCI Card

Test each cable individually. Two 16C serial ports with data transfer up to 259 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. Everything is hooked up but nothing is working. 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.

RDH PCI – PARALLEL&DUAL SERIAL driver free download for windows – Gigabyte – H55M-S2HP

Prior to installing this device, ensure that your operating system is up to date for example, you have installed the most recent service pack. To find out more about how we use cookies, see our privacy statement. My rating for the quality of this product. 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.


Use short cables when you are testing. Download the latest drivers from the StarTech. See Proposition 65 Notice. Windows usually saves the files to the Downloads folder that is associated with your user account for example, C: Open a telnet session on the COM port number of the device that you are testing.

Extract the files using the instructions in Step 2. How can I make sure my serial port is working in Windows? I’m ready to share my review.