Hello, I have been unable to find any drivers for an IBM USB to Serial Parallel Adapter FRU/ Part Number: 22P9036. I am trying to install on a Dell E4310 - Windows 7 64bit Ent. Mar 2, 2019 - usb to parallel adapter driver, sabrent usb-to-parallel adapter driver download, ibm usb serial parallel adapter driver, usb to parallel adapter.
Most modern notebooks (or even desktops) don't have serial or parallel ports, making configuring management routers and switches and industrial machines like PLC's or HMI panels extremely difficult or impossible. Sometimes USB converters work, but they are problematic, especially if you need to use older programs that are written to talk directly to the hardware. This is where the comes in. It's an Ultrabay Slim device that works on the T60, T61, and R60. The adapter does not work on the R61, any of the Z series, or anything older than the 6x series.
Some of the older ThinkPads have a parallel port, and you will have to use the docking station to get a serial port. When the adapter is inserted into the Ultrabay, the serial and parallel ports will show up in the device manager and in the BIOS.
They are true hardware ports. 
The adapter and my T60. The adapter uses the middle connector in the Ultrabay. Inserted into my T60. Connected to a. Showing up in Device Manager.
True hardware ports. Update: I finally got to see a ThinkPad T400 in person.
And unfortunately, the T400 does not appear to have the middle connector in the Ultrabay necessary for the serial / parallel adapter. Looks like my next ThinkPad will be the X200 for portability. I realize this is an old thread, but I am a bit desperate. I need to read a 25 pin CAD dongle on a Lenovo T420. The Parallel/Serial Bay Adapter that has worked on the T60 is found at this site but the plug at the back of the adapter does not line up to the jacks inside the bay of the laptop. Do you know of any company that makes this adapter for the T420? I looked at the docking station, but it does not have a 25 pin port, and all of the USB to Parallel port adapters I (or many others) have tried do not work for the CAD dongle.
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