| 摘要 |
Provided are a method, system, deployment and article of manufacture, wherein in one embodiment, a mode of operation may be switched to a service mode by detecting a device inserted into a connector of an input/output port of a system. In the illustrated embodiment, the device has a connector and a wire which loops a code received from the input/output port back to the input/output port. Upon detecting receipt of the transmitted code, the mode of operation may be switched to a service mode. Other embodiments are described and claimed.
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