Dell OptiPlex 5055 Tower Owner's Manual page 47

11 Battery Connector (BATTERY)
13 Card Reader Connector (Card Reader)
15 M.2 Socket 3 Connector (M.2 SSD)
17 Internal Speaker Connector (INT_SPKR)
19 ATX Power Connector (ATX_SYS)
21 SATA 2 Connector (Black color)
23 LPC_Debug1
1 PCI-e x16 Connector (SLOT2)
3 VGA Daughter Board Connector (VGA)
5 CPU Power Connector (ATX_CPU)
7 CPU fan Connector (FAN_CPU)
9 M.2 Slot 3 Connector (M.2_SSD)
11 Media Card Reader Connector (CARD_READER)
13 SATA2 Connector Black Color (SATA2)
15 ATX Power Connector (ATX_SYS)
17 HDD&ODD Power Cable Connector (SATA_PWR)
12 Memory Connector (DIMM1~DIMM4)
14 Power Switch Connector (PWR_SW)
16 SATA 1 Connector (White Color)
18 SATA 3 Connector (Black Color)
20 HDD_ODD_Power Cable Connector (SATA PWR)
22 SATA 0 Connector (Blue color)
24 CMOS_CLR/Password/Service_Mode Jumper (JMP1)
2 PCI-e x4 Connector (SLOT1) - open ended X4 to support
X16
4 Processor Socket (CPU)
6 Intrusion Switch Connector (INTRUDER)
8 Memory Slots (DIMM1,DIMM2,DIMM3,DIMM4)
10 Power Switch Connector (PWR_SW)
12 System fan Connector (FAN_SYS)
14 SATA0 Connector Blue Color (SATA0)
16 Front USB2.0 Connector (Front_USB)
18 Clear CMOS Jumper (CMOS_CLR); Clear Password Jumper
(PASSWORD_CLR); Clear Password ; Jumper
(PASSWORD_CLR); Service Mode Jumper
(SERVICE_MODE)
Disassembly and reassembly 47