PCI Slot Header Serial DB9 Pin COM with Parallel DB25 Pin LPT Printer COM motherboard Serial Port Cable with Bracket - Price history & Review | AliExpress Seller - peoplemarketing | Alitools.io
845GL Original 845 845GV ISA Mainboard PGA478 Motherboard 2PCI VGA LPT ISA Slot milling machine Industrial Motherboard - Findindustrialparts
How to wire the LPT and COM port headers on a motherboard? - Super User