StarTech.com Serial & Parallel Port Low & Full PC Backplates with Header Cable - StarTech.com PLATE25F16LP, The StarTech.com PLATE25F16LP DB25 to IDC26 Parallel Port Backplate adds a DB25 parallel port to the rear panel of a low profile/small form factor computer, which connects to an IDC26 header (LPT) connector on the motherboard. Please refer to your motherboard’s technical specifications to ensure compatibility with this product.Backed by StarTech.com lifetime warranty. StarTech PLATE25F16LP 400mm Header Cable to Parallel Port Low Profile Backplate