accuracy. Some community members place more emphasis on no-bar play as many major Pump it Up tournaments used to not allow bar usage or had a separate division allowing it. However, song difficulty has risen over the years making some songs impossible to play without using the bar. DX cabinets utilize a large rear-projection television as their monitor (with the lights being on the sides of the screen's enclosure instead of along the top), and FX cabinets contain a plasma display as the monitor, LED lights, and a pair of LED vertical VU meters on the sides. As of NX2, all Pump it Up machines now include USB ports on the side of the cabinet which allow the saving of statistics and unlocks to a proprietary USB drive. All FX cabinets contain them (as NX was slated to have USB functionality, which was later shifted to NX2), and the upgrade kit for NX2 includes the external USB ports so that they can be soldered to the machine if it doesn't already have them. As of the release of Pump It Up PRIME 2, arcade machines now have the option to use the AM.PASS card system instead of a USB flash drive. Home versions Andamiro released home versions of Pump it Up for personal computers, coming with a CD containing the game and a special dance mat, with arrows of the same size as the arcade's pads. On Korean versions, the mat is connected through the PS/2 port, and comes with an adapter to share it with the keyboard. On international versions, the mat uses a USB plug. Pump it Up THE FUSION: The 1st N' 2nd Dance Floor, Pump it Up THE FUSION: The 3rd Dance Floor, Pump it Up Perfect Collection, and Pump it Up: The Prex 3 were all released on PCs. Andamiro also released a home version of Pump it Up for PCs in 2001, which was released exclusively in North America. Titled Pump it Up: The Evolutionary Dance Floor, it includes a Pump it Up dance mat, a Pump it Up: The Evolutionary Dance Floor PC game, a Pump it Up: The Prex 3 PC game, and a music CD titled Pump it Up: The Banya's Original Collection. On 11 November 2004, Andamiro released the Korean version of Pump It Up: Exceed on the PlayStation 2, which includes most of the songs from the arcade Exceed