The used computer is an old PC but strong enough to run the emulators smoothly. Its characteristics are the following : CPU : Intel(R) Pentium(R) 4 CPU 1.70GHz RAM : 1 GB Motherboard : ASUSTeK P4S333 Gfx card : nVidia Corporation NV15DDR [GeForce2 Ti] (rev a4) Sound card : Ensoniq 5880 AudioPCI (rev 02) Network card : 3Com Corporation 3c905C-TX/TX-M [Tornado] (rev 78) HDDs : /dev/hda : SAMSUNG SP0812N - 72 GB + /dev/hdb : SEAGATE ST3320620A - 294 GB CD/DVD : /dev/hdc : AOPEN CD-RW CRW2440 + /dev/hdd : Pioneer DVD-ROM ATAPIModel DVD-116 0122 Bluetooth : Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode) I didn't dismantle the PC and it lays in its desktop tower case in the cabinet. The only operation was to cut a power cable to get a 12 V power cable to supply the little lamps of the coins door.