.Belkin, Tripp Lite.

• F4A611 - Price Check (street price $2) - Mouse Cable Adapter, allows a Serial Mouse to connect to a PS/2 plug on the computer , for Microsoft or Logitech mice
• F4A612 - Price Check (street price $4) - Mouse Cable Adapter, allows a PS/2 Mouse to connect to an AT-style DB9 Serial Port plug on the computer, 6 Pin Mini Din Female/DB9 Female, Microsoft or Logitech mice

• P112-000 - Price Check (street price $5) - Mouse Adapter, PS/2 to Serial port (DIN6F/DB9F Only for MICROSOFT LOGITECH)