Dell 740 Fan User Manual


 
12. Replace the optical drive (see Installing an Optical Drive).
13. Replace the computer cover (see Replacing the Computer Cover).
14. Connect the AC power cable to the power supply AC power connector.
15. Connect your computer and devices to electrical outlets, and turn them on.
DC Power Connectors
DC Power Connector P1
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
Pin Number
Signal name
18-AWG Wire
1
+3.3 VDC
Orange
2
+3.3 VDC
Orange
3
GND
Black
4
VCC (+5 V)
Red
5
GND
Black
6
VCC (+5 V)
Red
7
GND
Black
8
PS_PWRGOOD*
Gray
9
P5AUX
Purple
10
V_12P0_DIG
Yellow
11
V_12P0_DIG
Yellow
12
+3.3 V
Orange
13
(optional)
+3.3V
Orange
14
-12 V*
Blue
15
GND
Black
16
PWR_PS_ON
Green
17
GND
Black
18
GND
Black