Dell 740 Fan User Manual


 
12. Replace the computer cover (see Replacing the Computer Cover).
13. Connect the AC power cable to the AC power connector.
DC Power Connectors
DC Power Connector P1
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
+3.3 V
Orange
14
-12 V*
Blue
15
GND
Black
16
PWR_PS_ON
Green
17
GND
Black
18
GND
Black
19
GND
Black
20
NC
N/C
21
VCC (+5V)
Red
22
VCC (+5V)
Red
23
VCC (+5V)
Red
24
GND
Black