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RI-1590 User’s Guide
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Other peripherals
This PC supports the following peripheral devices
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Printer
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Four serial communication port (COM1~4)
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USB devices (compatible with USB 2.0)
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External speakers/headphones
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External microphones
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External audio devices
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External monitors
Optional :
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External TV cable input
[For reference]
z
What is USB?
USB is a high-speed serial bus standard for the connection of peripheral
devices that reduces the use of valuable system resources. Devices
that support USB are USB mice, USB keyboards, USB PC cameras,
USB HDD, and USB memory sticks.