Power supply dc connector pin assignments – Dell Dimension E521 User Manual
Page 61
Power Supply DC Connector Pin Assignments
DC Power Connector P1
1
fan connector
(FAN_CPU1)
2
processor socket (CPU)
3
memory module connectors
(DIMM_1, DIMM_2, DIMM_3,
DIMM_4)
4
power connector
(PW_12V_A1)
5
serial ATA drive
connectors (SATA2,
SATA3)
6
serial ATA drive connectors
(SATA0, SATA1)
7
front-panel
connector
(FRONTPANEL)
8
power connector
(POWER1)
9
line-in, line-out, microphone, side
surround, center, and LFE
connectors (AUDIO_6_STACK)
10 USB connectors (2)
(USB2_BACK1)
11 network connector and
USB connectors (2)
(NIC_USB1)
12 real-time clock reset jumper
(RTCRST)
13 video connector
(VIDEO1)
14 battery socket (BT1)
15 Internal USB connector (USB1)
16 PCI Express x16
connector (SLOT1)
17 standby power indicator
(AUX_PWR_LED)
18 PCI Express x1 connector
(SLOT2)
19 PCI connector
(SLOT3)
20 PCI connector (SLOT4)
21 password jumper (PSWD)
22 floppy drive
connector
(FLOPPY1)
Pin Number
Signal name
18-AWG Wire
1
+3.3 VDC
Orange
2
+3.3 VDC
Orange
3
GND
Black
4
+5 VDC
Red
5
GND
Black
6
+5 VDC
Red