Chapter 2: Installation 2-6 Connecting Cables Power Supply Connector T able 2-1a AT X Pow er Supply 24-pin Connector Pin D efinitions (AT X PO W ER) The primary power supply connec- tor on the P3TDDR meets the SSI (Superset ATX) 24-pin specifica- tions, however, it also supports an ATX 20-pin connector. Refer to Table 2-1a for pin definitions. (Also see Figure A below for con- nector orientation). If a 20-pin connector is used, please refer to Figure B below for connector ori- entation and Table 2-1c for stan- dard wiring colors. T able 2-1b AT X Pow er Supply 20-pin Connector Pin Definitio ns Figure A:
SSI 24-pin power cable Pin 24 Pin 13 12345678901234567890123456789 12345678901234567890123456789 12345678901234567890123456789 12345678901234567890123456789 12345678901234567890123456789 12345678901234567890123456789 Pin 12 Pin 1 T able 2-1c PS Color Definitions Figure B: SSI 20-pin power cable Pin 11 Pin 20 1234567890123456789012345 1234567890123456789012345 1234567890123456789012345 1234567890123456789012345 1234567890123456789012345 1234567890123456789012345 1234567890123456789012345 Pin 10 Pin 1 Infrared Connector Infrared Pin Definitions (J10) The header at J10 is for infrared devices. See the table on the right for pin definitions.
Refer to the Technical Support section of our web page for information on the infrared devices you can connect to the system.
2-7 Pin Number Definitio n Pin Number Definition 13 +3.3V 14 -12V 15 COM 16 PS_O N# 17 COM 18 COM 19 COM 20 Res(NC) 21 +5V 22 +5V 23 +5V 24 COM 1 +3.3V 2 +3.3V 3 COM 4 +5V 5 COM 6 +5V 7 COM 8 PW R_OK 9 5VSB 10 +12V 11 +12V 12 +3.3V Pin # Definition Pin # Definition 11 +3.3V 12 -12V 13 COM 14 PS_ON 15 COM 16 COM 17 COM 18 -5V 19 +5V 20 +5V 1 +3.3V 2 +3.3V 3 COM 4 +5V 5 COM 6 +5V 7 COM 8 PW -OK 9 5VSB 10 +12V Color Definition Orange Black Red W hite Yellow Purple Brown +3.3V Com 5V Power OK +12V 5V standby -5V (For reference only) Pin Number Definition 1 2 3 4 5 +5V Key IRRX Ground IRTX