Its multiroom audio capabilities are similarly extensive with Powered Zone 2 and 3 capabilities, multiple DC triggers, bidirectional RS-232, and Onkyo's exclusive Universal Port for connection of an optional iPod Dock and HD Radio tuner.

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It connects to the TV through either the composite video or S-Video port, and to the PC through the Universal Serial Bus port common on most newer machines.

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Computers are commonly equipped with a USB -- universal serial bus -- port.

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Even an IR port somewhere in there for compatibility with universal remotes would have been a nice bonus.

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The BD-HP90U can also operate horizontally or vertically (with a supplied stand) and has a RS232 port control so it can be operated by universal remote control systems.

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Traditionally, computers have a port to transfer video of their screen, and separate ports, such as USB (Universal Serial Bus), FireWire, and PCI Express (Peripheral Component Interconnect Express), among others that are less well known.

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