IBM E Server x336 Series, Option Installation Manual

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Universal Serial Bus connector
Use a Universal Serial Bus (USB) connector to connect a USB device. The USB
ports support both USB 1.0, 1.1 and 2.0. The following table contains the speeds
and cable lengths that USB 1.0, 1.1, and 2.0 support.
USB 1.0/1.1 USB 2.0
Speed 12 Mbps 480 Mbps
Maximum cable length 3.0m (low speed) 3.0m (low speed)
5.0m (high speed) 5.0m (high speed)
Using Plug and Play technology, USB devices are configured automatically and can
interface with a maximum of 127 devices. The following illustration shows a USB
connector.
1 4
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, the USB
keyboard port is 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.
Video connector
Use this connector to connect a monitor to the server. The connector is dark blue to
help you identify it. The following illustration shows a video connector.
1 5
11 15
Chapter 3. I/O connectors
49