IBM 866631Y - Netfinity 7100 - 8666, Hardware Maintenance Manual

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Keyboard port
There is one keyboard port connector on the rear of the server.
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 rear of the server.
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 Keyboard clock
6 N/A Reserved
Auxiliary-device (pointing device) port
The I/O board has one auxiliary-device port that supports a mouse or other
pointing device.
The following table shows the pin-number assignments for the auxiliary-device
connector on the rear of the server.
6
4
2
1
3
5
Table 13. Auxiliary-device connector pin-number assignments
Pin Signal
1 Data
2 Not connected
3 Ground
4 +5 V dc
5 Clock
6 Not connected
Ultra2 SCSI ports
The server has a dual-channel Ultra-2 small computer system interface (SCSI)
controller on the I/O board. This controller supports two independent SCSI
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Hardware Maintenance Manual: Netfinity 7100 – Type 8666