Dell OptiPlex 3020 - Working on Your Computer; Before Working Inside Your Computer

Dell - Internal Use - Confidential
5 Room for text | Dell Inc., 2015
MT Motherboard Layout
Number
Name
Number
Name
1
HDD LED and Chassis Detect
Connector (FRONT_HDD_LED)
15
PCIe x1 Connector (SLOT2)
2
Internal Speaker Connector
(INT_SPKR)
16
Front Audio Connector
(FRONT_AUDIO)
3
SATA 2 Connector (SATA2) (Black
color)
17
PCIe x16 Connector (SLOT1)
4
SATA 0 Connector (SATA0) (Blue
color)
18
System Fan Connector (FAN_SYS)
5
SATA 1 Connector (SATA1) (White
color)
19
CPU Power Connector
(CPU_PWRCONN)
6
PCH chip
20
Intrusion Switch Connector
(INTRUDER)
7
PSWD Jumper (PSWD)
21
PS2 Serial Port Connector
(KB_MS_SERIAL)
8
Front USB2.0 Connector
(FRONTPANEL)
22
Processor Socket
9
Internal USB Connector (INT_USB)
23
CPU Fan Connector (FAN_CPU)
10
RTCRST Jumper (RTCRST)
24
Memory Connectors (DIMM1, DIMM2)
11
Battery Connector (BATTERY)
25
Power Switch Connector (PWR_SW)
12
PCIe x1 Connector (SLOT4)
26
ATX Power Connector
(ATX_POWERCON)
13
SERVICE MODE Jumper
(SERVICE_MODE)
27
HDD_ODD Power Cable Connector
(HDD_ODD_PWR)