Check the listing for details. DB25 Parallel Port IEEE 1284 Printer PCI Controller Card Adapter 25 Pin LinuxCNC. Condition: New. Listed at 3.24 USD. PCI parallel port suitable for LinuxCNC or other parallel port application. No drivers are included, drivers are available for download from our website:sector67 DOT org /temp/ebay/ParallelDrivers/There are also many drivers available online for the CH350 chipset that may be suitable for you. DRIVERS ARE UNSIGNED!!! They will not work in Windows unless you disable driver signing and use the drivers unsigned. Please do not buy this card if you want to use it with Windows and you aren't familiar with Windows configuration, it WILL NOT WORK WITHOUT CONFIGURATION IN WINDOWS! We've sold hundreds of these - the cards work fine and they're parallel port cards but serial drivers are also available so make sure you've installed the correct drivers for your application. Did I mention the drivers aren't signed so this won't work in Windows without configuration? It's a