IBM 8645 - Eserver xSeries 220, Руководство по техническому обслуживанию аппаратной части

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The following table shows the pin-number assignments for the USB-port
connectors on the system board.
Table 11. USB-port connector pin-number assignments
Pin Signal
1 +5 V dc
2 -Data
3 +Data
4 Ground
Keyboard port
There is one keyboard port on the system board.
Note: If you attach a standard (non-USB) keyboard to the keyboard connector, the
USB ports and devices will be disabled during the power-on self-test
(POST).
The following table shows the pin-number assignments for the keyboard connector
on the system board.
6
4
2
1
3
5
Table 12. Keyboard connector pin-number assignments
Pin I/O Signal
1 I/O Data
2 N/A Reserved
3 N/A Ground
4 N/A +5 V dc
5 I/O Clock
6 N/A Reserved
Installing options
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