Dell 4100 Service Manual page 19

NC_3INH
common (black)
POWER_GOOD (gray)
common (black)
+5 VFP (violet)
PWR1
-12 VDC (blue)
-5 VDC (white)
PWR_STAT_BIT (gray)
2
I C_SDA (gray)
2
I C_SCL (gray)
Figure 1-13. DC Power Connector PWR1
+3.3 VDC (orange)
common (black)
+12 VDC (yellow)
common (black)
+12 VDC (yellow)
11
PWR2,
PWR3
1
+5 VDC (red)
common (black)
+5 VDC (red)
common (black)
+5 VDC (red)
Figure 1-14. DC Power Connector PWR2 and PWR3
10 11 12 13 14 15
16
1 2 3 4 5 6 7
12 13 14 15 16 17 18 19 20
2 3 4 5 6 7
8
+3.3 VDC sense (orange)
-3.3 VDC sense (black)
FAN_TACH (gray)
NC_NRLED
17 18
8 9
BAT_V (gray)
PRES_DET (gray)
NC_+12 sense
+5 VDC sense (red)
common (black)
+3.3 VDC (orange)
common (black)
+3.3 VDC (orange)
common (black)
9 10
common (black)
+5 VDC (red)
common (black)
+5 VDC (red)
common (black)
System Overview 1-17