Editing Converter (section)

==Commercial PC/XT, PC/AT, and PS/2 to USB converters==
Several converters exist to make PC/XT,  PC/AT, PS/2, and/or Mac  ADB keyboards work on newer USB computers. Note that these are “convertors,” not cheap and simple “adaptors.” Here's a short overview of the most popular and reliable converters:

[[File:Blue Cube.jpg|thumb|200px|right|"Blue Cube" converter]]

;Belkin USB Dual PS/2 Converter
:The [[Belkin F5U119]] series is a three-plug converter with ports for both a mouse (green) and a keyboard (purple), although a second keyboard will sometimes work on the green mouse port as well. Works with virtually all PS/2 keyboards.  Belkin have sold this product under a large number of similar model numbers, and the various models ship with different controller chips.  As of 2023 this converter appeared to be out of stock and presumably out of production, although a few can occasionally be found on eBay.  Some of the controller chips used are notorious for resetting periodically: the keyboard will cease responding, followed by the green lock LEDs flashing as the keyboard re-initialises.

;Hagstrom Electronics, Inc. Model KE-XTUSB Converter
:Higher end converter for XT, AT, PS/2 keyboards, and perhaps a few others.  US-made in Strasburg, Virginia.  PCB enclosed in plastic box has jumper settings for six different protocols to accommodate almost any hard-to-find keyboard (including Leading Edge 2014).  Comes  with USB-B to USB-C cable.  Priced circa US$55  and readily available with reputation for excellent customer service as of 2023. 

;tinkerBOY Converters for IBM Model F/XT & Model M/AT to USB; also Mac ADB to USB
:Major player in the keyboard converter business.  Merchandise made largely or entirely in Baguio City, Philippines.  Also sells converters of other kinds.  Can be purchased on eBay for circa US$34, but shipping from the antipodes takes 10 days/2 weeks.  QMK firmware supports both Via and Vial protocols, plug and play, and NKRO.  

;Retro Fuzion Converter
:This Australian company sells their own converters for PC/XT and PC/AT to USB computers.  Price including shipping to USA was circa US$57 as of 2023.  No support for Apple ADB at that time.

;"Blue Cube" Converter
:Converter with a single female PS/2 port and USB male port. Works for most keyboards. Once ubiquitous, as of 2023 they are apparently out of production and very hard to find. Known to work with keyboards that need more power, such as the [[IBM Enhanced Keyboard|IBM Model M]], where cheaper converters fail. They never appear to have been sold under a brand name, but most known Blue Cubes contain the same Cypress chip and decent firmware. 

; ID Innovations Inc. Converter
: Jeffrey Zimmerman with ID Innovations Inc. advises that this converter has been permanently discontinued as of 2023, although it may occasionally be found on eBay.