Keyboard Adapter USB Female to PS/2 Male
-- Connect a USB keyboard or mouse to the PS/2 ports on your computer with these simple, compact adapters. Color-coded for easy installation. Please note that this adapter only works with USB keyboards that are wired for use in a PS/2 keyboard port. If your USB keyboard did not include a cable converter, this adapter will not work with it.
IOGear USB to Serial/PDA Converter Cable
-- This USB to serial RS-232 adapter provides one RS-232 serial (DE9 male) connector via one standard USB port at a data transfer rate of up to 230Kbps. You can instantly enjoy connectivity with modem, PDA, POS, or other serial devices on your PC or Mac without the hassle of opening your computer case.