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Universal Serial Bus connectors
Use a Universal Serial Bus (USB) connector to connect a USB device. USB
technology transfers data at up to 12 Mb per second (Mbps) with a maximum of
127 devices and a maximum signal distance of 5 meters (16 ft) per segment. Using
Plug and Play technology, USB devices are configured automatically. The following
illustration shows a USB connector.
Use a 4-pin cable to connect a device to a USB connector. If you need to connect
more USB devices than the server has USB connectors for, use a USB hub to
connect additional devices.
If you connect a PS/2 (non-USB) keyboard to the keyboard connector, USB ports
and devices are disabled during POST.
If you connect a USB keyboard that has a mouse port, the keyboard emulates a
mouse, and you cannot disable the mouse settings in the Configuration/Setup Utility
program.
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xSeries 335 Type 8676, Type 8830: Hardware Maintenance Manual and Troubleshooting Guide
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Troubleshooting
