Dell Dimension 8100 (and may be others) power connectors pinout

connector or cable wiring scheme

24 pin MOLEX 39-01-2240 or equivalent connector layout

24 pin MOLEX 39-01-2240 or equivalent connector
at the PSU cable

The following figure shows the P1 (24 pin) DC power connector.

Pin	Function	Pin	Function
1	+5 VDC (red)	13	PSON#² (gray)
2	Common (black)	14	Common (black)
3	+5 VDC (red)	15	Common (black)
4	Common (black)	16	Common (black)
5	PWRGOOD (orange)	17	N/C
6	+5 VFP (purple)	18	+5 VDC (red)
7	+12 VDC (yellow)	19	+5 VDC (red)
8	�12 VDC (blue)	20	+5 VDC (red)
9	Common (black)	21	TFSC (brown)
10	Common (black)	22	+5 VDC (red)
11	+3.3 VDC (blue/white)	23	+3.3 VDC (blue/white)
12	+3.3 VDC (blue/white)	24	Common (black)

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.

Pin 13 � PSON# is activated by pressing and releasing the power button while the power supply is in standby mode. Activating PSON# connects the power supply�s PSON# input to ground, thereby switching the power supply to full-on condition.

Pin 21 (TFSC) may be not used (n/c).

In 20 PIN ATX <--> DELL 24 PIN+ 16PIN connectors adapter WHITE(-5V) 20 PIN ATX may be left unconnected.
Grey wire that was connected to dell motherboard did his job well, i.e. when it was shorted to the ground PS turned on and stayed on just as it supposed to be.

The following figure shows the P2 (16 pin) DC power connector.

Pin	Function	Pin	Function
1	+3.3 VDC (blue/white)	9	+5 V (red)
2	Common (black)	10	Common (black)
3	+12 V (yellow)	11	N/C
4	N/C	12	N/C
5	N/C	13	N/C
6	N/C	14	+5 V (red)
7	+12 V (yellow)	15	Common (black)
8	Common (black)	16	N/C

Dell 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 +3.3 VDC (blue/white)?

16 pin Dell dimension PSU connector connector diagram

16 pin Dell dimension PSU connector connector
at the PSU cable

Pinouts.ru > ATX, BTX, WTX and other power supply cables connectors pinouts listing > Pinout of Dell Dimension 8100 (and may be others) power connectors and layout of 24 pin MOLEX 39-01-2240 or equivalent connector and 16 pin Dell dimension PSU connector connector	Document status:	correct
Source(s) of this and additional information: support.dell.com	5 reports
Last updated at Sat Oct 13 2007. Submit additions or corrections for this document.	Is this document correct or incorrect? What is your opinion?

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