• Allows you to control your OWI 007 Arm Trainer from your PC The OWI PC Arm Interface lets you program, save, edit and download with computer or manual control. System requirements DOS: PC 385 (or better), parallel port, DOS 4.2 (or higher) 2MB Ram minimum, 300k hard drive free space. System requirements for Windows: Windows compatible PC 486 (or better), parallel port, Microsoft Windows compatible mouse, 4MB Ram min., 4MB hard drive free space. Works with Windows 95/98/2000/XP (untested on Vista but should work)