Dell Dimension XPS R Series, Service Manual

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1-10 Dell Dimension XPS R xxx Systems Service Manual
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The power-supply output voltages can be measured at the back (wire side) of
the DC power connectors without disconnecting them. Figures 1-7 through 1-9
show the wire side of the connectors.
1
Pin 5 — PWRGOOD is a status signal generated by the power supply to notify the system
that the DC operating voltages are within the ranges required for proper system operation.
2
Pin 11 — PSON# is activated by pressing and releasing the power button while the power
supply is in its standby state. This action connects the power supply’s PSON# input to
ground, thereby switching the power supply to its full-on condition.
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11
1
PWRGOOD
1
(gray)
–12 VDC (blue)
+12 VDC (yellow)
+5 VFP (purple)
common (black)
2 3 4 5 6 7 8 9 10
12 13 14 15 16 17 18 19 20
P1
+5 VDC (red)
+5 VDC (red)
+5 VDC (red)
+5 VDC (red)
+5 VDC (red)
+5 VDC (red)
common (black)
common (black)
common (black)
PSON#
2
(brown)
common (black)
common (black)
common (black)
–5 VDC (white)
not connected