Pinĭell Precision 610 (and maybe other Dell workstations of similar age) also uses a very similar 24pin P1 connector, but according to the service manual, pins 17-24 are -5 VDC (white), -5 VDC (white), +5 VDC (red), +5 VDC (red), +5 VDC (red), TFSC (brown), +3.3 VDC (blue/white) and common (black) respectively, instead of N/C, +5 VDC (red), +5 VDC (red), +5 VDC (red), TFSC (brown), +5 VDC (red) and +3. The following figure shows the P2 (16 pin) DC power connector. In spite of four fanstwo in the front panel, one in the power supply, and one on the graphics boardthe system is virtually silent after startup. when it was shorted to the ground PS turned on and stayed on just as it supposed to be. Power comes from a 525-watt power supply, although Dell offers an 85PLUS power supply as part of an extra-cost option that brings the system into Energy Star 5.0 compliance. Grey wire that was connected to dell motherboard did his job well, i.e. In 20 PIN ATX DELL 24 PIN+ 16PIN connectors adapter WHITE(-5V) 20 PIN ATX may be left unconnected. Activating PSON# connects the power supply's PSON# input to ground, thereby switching the power supply to full-on condition. Pin 13 - PSON# is activated by pressing and releasing the power button while the power supply is in standby mode. 23rd if you order now & choose one-day shipping. Pin 5 - PWRGOOD is a status signal generated by the power supply to notify the computer that the DC operating voltages are within the ranges required for proper computer operation. Dell Precision Workstation Desktop 490 DDR2 533Mhz 512MB PC2-4200E ECC RAM Memory Stick - HYMP564U72BP8-C4.
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