Dell OptiPlex XE2 - Turning Off Your Computer; After Working Inside Your Computer

DELL™ OPTIPLEX™ XE2 TECHNICAL GUIDEBOOK
6
SFF System
Number Name Number Name
1 HDD_ODD_Power Cable Connector
(HDD_ODD_POWER)
13 Front Audio Connector
(FRONT_AUDIO)
2 Front IO Connector (FRONTPANEL) 14 Intrusion Switch Connector (INTRUDER)
3 SATA 2 Connector (White color) 15 Power Switch Connector (PWR_SW)
4 SATA 1 Connector (Black color) 16 System Fan Connector (FAN_SYS)
5 SATA 0 Connector (Blue color) 17 P1 Power Connector (POWER)
6 Internal Speaker Connector (INT_SPKR) 18 Battery Connector (BATTERY)
7 RTCRST Jumper (RTCRST) 19 Front USB3.0 Connector (USB3_FRONT)
8 PCI-e x16 Connector (SLOT2) 20 Memory Connectors(DIMM1, DIMM2,
DIMM3, DIMM4)
9 PSWD Jumper (PSWD) 21 CPU fan Connector (FAN_CPU)
10 SERVICE_MODE Jumper (SERVICE_MODE) 22 Processor Socket (N/A)
11 Buzzer (BEEP) 23 P2 Power Connector (12V_PWRCONN)
12 PCI-e x4 Connector (SLOT1) 24 PCH chip (N/A)
MOTHERBOARD LAYOUT