NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.
Small Form-Factor Computer
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.
Disconnect the DC power cables from the system board and the drives.
Note the routing of the DC power cables underneath the tabs in the computer frame as you remove them from the system board and drives. You must route these cables properly when you replace them to prevent their being pinched or crimped.
Press the release button located on the floor of the computer frame.
1
release button
2
AC power connector
Slide the power supply toward the front of the computer approximately 1 inch.
Lift the power supply up and out of the computer.
Slide the replacement power supply into place.
Reconnect the DC power cables.
Connect the AC power cable to the connector.
Close the computer cover.
Attach the computer stand, if used.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
Connect your computer and devices to electrical outlets, and turn them on.
Small Desktop Computer
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.
Disconnect the DC power cables from the system board and the drives.
Note the routing of the DC power cables underneath the tabs in the computer frame as you remove them from the system board and drives. You must route these cables properly when you replace them to prevent their being pinched or crimped.
Remove the card cage and remove the power cables from the side of the hard drive. To remove
the power cables, use the cables as leverage and pull away from the clips while you pull on the
metal clips with your fingers.
Press down on the handle, which in turn presses the release button.
1
release button
2
handle
3
AC power connector
Slide the power supply toward the front of the computer approximately 1 inch.
Lift the power supply up and out of the computer.
Slide the replacement power supply into place.
Reconnect the DC power cables.
Replace the card cage.
Connect the AC power cable to the connector.
Close the computer cover.
Attach the computer stand, if used.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
Connect your computer and devices to electrical outlets, and turn them on.
Desktop Computer
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.
Disconnect the DC power cables from the system board and the drives.
Note the routing of the DC power cables underneath the tabs in the computer frame as you remove them from the system board and drives. You must route these cables properly when you replace them to prevent their being pinched or crimped.
Remove the two screws that attach the power supply to the back of the computer frame.
Remove the CD/DVD drive, the floppy drive, and the hard drive.
Press the release button located on the floor of the computer frame.
1
release button
2
power supply
3
screws (2)
4
AC power connector
Slide the power supply toward the front of the computer approximately 1 inch.
Lift the power supply up and out of the computer.
Slide the replacement power supply into place.
Replace the screws that secure the power supply to the back of the computer frame.
Reconnect the DC power cables.
Replace the hard drive, floppy drive, and CD/DVD drive.
Connect the AC power cable to the connector.
Close the computer cover.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
Connect your computer and devices to electrical outlets, and turn them on.
Small Mini-Tower Computer
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.
Disconnect the DC power cables from the system board and the drives.
Note the routing of the DC power cables underneath the tabs in the computer frame as you remove them from the system board and drives. You must route these cables properly when you replace them to prevent their being pinched or crimped.
Remove the two screws that attach the power supply to the back of the computer frame.
Press the release button located on the floor of the computer frame.
1
screws (2)
2
release button
3
power supply
Slide the power supply toward the front of the computer approximately 1 inch.
Lift the power supply up and out of the computer.
Slide the replacement power supply into place.
Replace the screws that secure the power supply to the back of the computer frame.
Reconnect the DC power cables.
Connect the AC power cable to the connector.
Close the computer cover.
Attach the computer stand, if used.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
Connect your computer and devices to electrical outlets, and turn them on.
Mini Tower Computer
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.
Disconnect the DC power cables from the system board and the drives.
Note the routing of the DC power cables underneath the tabs in the computer frame as you remove them from the system board and drives. You must route these cables properly when you replace them to prevent their being pinched or crimped.
Remove the four screws that attach the power supply to the back of the computer frame.
Press the release button located on the floor of the computer frame.
1
release button
2
power supply
3
screws (4)
4
AC power connector
Slide the power supply toward the front of the computer approximately 1 inch.
Lift the power supply up and out of the computer.
Slide the replacement power supply into place.
Replace the screws that secure the power supply to the back of the computer frame.
Reconnect the DC power cables.
Connect the AC power cable to the connector.
Close the computer cover.
Attach the computer stand, if used.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
Connect your computer and devices to electrical outlets, and turn them on.
DC Power Connectors
Small Form-Factor Power Supply DC Connector Pin Assignments
DC Power Connector P1
Pin Number
Signal name
18-AWG Wire
1
+3.3 VDC
Orange
2
+3.3 VDC
Orange
3
COM
Black
4
+5 VDC
Red
5
COM
Black
6
+5 VDC
Red
7
COM
Black
8
POK
Gray
9
+5 VFP
Purple
10
+12 VDC
Yellow
11
+3.3 VDC*
Orange
12
–12 VDC
Blue
13
COM
Black
14
PS ON
Green
15
COM
Black
16
COM
Black
17
COM
Black
18
N/C
N/C
19
+5 VCD
Red
20
+5 VCD
Red
*Sense connector.
DC Power Connector P2
Pin Number
Signal Name
18-AWG Wire
1
COM
Black
2
COM
Black
3
+12 VDC
Yellow
4
+12 VDC
Yellow
DC Power Connectors P3
Pin Number
Signal Name
18-AWG Wire
1
+3.3 VDC
Orange
2
COM
Black
3
+5 VDC
Red
4
COM
Black
5
+12 VDC
Yellow
DC Power Connector P4 and P5
Pin Number
Signal Name
22-AWG Wire
1
+5 VCD
Red
2
COM
Black
3
COM
Black
4
+12 VDC
Yellow
DC Power Connector P6
Pin Number
Signal Name
18-AWG Wire
1
N/C
2
COM
Black
3
COM
Black
4
+3.3 VDC
Orange
5
+5 VDC
Red
6
+12 VDC
Yellow
Small Desktop Power Supply DC Connector Pin Assignments
DC Power Connector P1
Pin Number
Signal name
18-AWG Wire
1
+3.3 VDC
Orange
2
+3.3 VDC
Orange
3
COM
Black
4
+5 VDC
Red
5
COM
Black
6
+5 VDC
Red
7
COM
Black
8
POK*
Gray
9
+5 VFP
Purple
10
+12 VDC
Yellow
11
+3.3 VDC
Orange
12
–12 VDC*
Blue
13
COM
Black
14
PS ON*
Green
15
COM
Black
16
COM
Black
17
COM
Black
18
N/C
N/C
19
+5 VDC
Red
20
+5 VDC
Red
* Use 22-AWG wire instead of 18-AWG wire.
DC Power Connector P2
Pin Number
Signal Name
18-AWG Wire
1
+3.3 VDC
Orange
2
COM
Black
3
+5 VDC
Red
4
COM
Black
5
+12 VDC
Yellow
DC Power Connector P3
Pin Number
Signal Name
18-AWG Wire
1
+12 VDC
Yellow
2
COM
Black
3
COM
Black
4
+5 VDC
Red
DC Power Connector P5
Pin Number
Signal Name
22-AWG Wire
1
+5 VDC
Red
2
COM
Black
3
COM
Black
4
+12 VDC
Yellow
DC Power Connector P6
Pin Number
Signal Name
18-AWG Wire
1
COM
Black
2
COM
Black
3
+12 VDC
Yellow
4
+12 VDC
Yellow
Desktop Power Supply DC Connector Pin Assignments
DC Power Connector P1
Pin Number
Signal name
18-AWG Wire
1
+3.3 VDC
Orange
2
+3.3 VDC
Orange
3
COM
Black
4
+5 VDC
Red
5
COM
Black
6
Red
7
Black
8
Gray
9
Purple
10
Yellow
11
Orange
12
Blue
13
Black
14
Green
15
Black
16
Black
17
Black
18
N/C
19
Red
20
Red
*Sense connector.
DC Power Connector P2
Pin Number
Signal Name
18-AWG Wire
1
+3.3 VDC
Orange
2
COM
Black
3
+5 VDC
Red
4
COM
Black
5
+12 VDC
Yellow
DC Power Connectors P3 and P4
Pin Number
Signal Name
18-AWG Wire
1
+12 VDC
Yellow
2
COM
Black
3
COM
Black
4
+5 VDC
Red
DC Power Connector P5
Pin Number
Signal Name
22-AWG Wire
1
+5 VDC
Red
2
COM
Black
3
COM
Black
4
+12 VDC
Yellow
DC Power Connector P6
Pin Number
Signal Name
18-AWG Wire
1
COM
Black
2
COM
Black
3
+12 VDC
Yellow
4
+12 VDC
Yellow
DC Power Connector P7
.
Pin Number
Signal Name
18-AWG Wire
1
N/C
2
COM
Black
3
COM
Black
4
+3.3 VDC
Orange
5
+5 VDC
Red
6
+12 VDC
Yellow
Small Mini Tower Power Supply DC Connector Pin Assignments
DC Power Connector P1
Pin Number
Signal name
18-AWG Wire
1
+3.3 VDC
Orange
2
+3.3 VDC
Orange
3
COM
Black
4
Red
5
Black
6
Red
7
Black
8
Gray
9
Purple
10
Yellow
11
Orange
12
Blue
13
Black
14
Green
15
Black
16
Black
17
Black
18
N/C
19
Red
20
Red
*Sense connector.
DC Power Connector P2
Pin Number
Signal Name
18-AWG Wire
1
+3.3 VDC
Orange
2
COM
Black
3
+5 VDC
Red
4
COM
Black
5
+12 VDC
Yellow
DC Power Connectors P3 and P4
Pin Number
Signal Name
18-AWG Wire
1
+12 VDC
Yellow
2
COM
Black
3
COM
Black
4
+5 VDC
Red
DC Power Connector P5
Pin Number
Signal Name
22-AWG Wire
1
+5 VDC
Red
2
COM
Black
3
COM
Black
4
+12 VDC
Yellow
DC Power Connector P6
Pin Number
Signal Name
18-AWG Wire
1
COM
Black
2
COM
Black
3
+12 VDC
Yellow
4
+12 VDC
Yellow
DC Power Connector P7
.
Pin Number
Signal Name
18-AWG Wire
1
N/C
2
COM
Black
3
COM
Black
4
+3.3 VDC
Orange
5
+5 VDC
Red
6
+12 VDC
Yellow
Mini-Tower Power Supply DC Connector Pin Assignments
DELL'S NORMAL TERMS AND CONDITIONS APPLY AND ARE AVAILABLE ONLINE OR UPON REQUEST. While all efforts are made to check pricing and other errors, inadvertent errors do occur from time to time and Dell reserves the right to decline orders arising from such errors.
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