IBM 4500R Hardware Maintenance Manual - Page 72
Keyboard port, Auxiliary-device (pointing device) port
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Table 11. Video-port connector pin-number assignments. Pin Signal 4 Monitor ID bit 2 Pin Signal Pin 9 +5 V dc 14 5 Ground 10 Ground 15 Signal Vertical synchronization (Vsynch) DDC SDL Keyboard port There is one keyboard on the rear of your 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 your server. 6 4 2 5 3 1 Table 12. Keyboard connector pin-number assignments . Pin 1 2 3 4 5 6 I/O I/O N/A N/A N/A I/O N/A Data Reserved Ground +5 V dc Keyboard clock Reserved Signal Auxiliary-device (pointing device) port The system 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 your server. 6 4 2 5 3 1 64 Hardware Maintenance Manual: Netfinity 4500R Type 8656