Dell OptiPlex 5055 Small Form Factor Owner's Manual

System board layout

This chapter explains about the motherboard's layout with name and location of its connectors.

PCI-e x16 Connector (SLOT2)
PCI-e x4 Connector (SLOT1) - open ended X4 to support X16
VGA Daughter Board Connector (VGA)
Processor Socket (CPU)
CPU Power Connector (ATX_CPU)
Intrusion Switch Connector (INTRUDER)
CPU fan Connector (FAN_CPU)
Memory Slots (DIMM1,DIMM2,DIMM3,DIMM4)
M.2 Slot 3 Connector (M.2_SSD)
Power Switch Connector (PWR_SW)
Media Card Reader Connector (CARD_READER)
System fan Connector (FAN_SYS)
SATA2 Connector Black Color (SATA2)
SATA0 Connector Blue Color (SATA0)
ATX Power Connector (ATX_SYS)
Front USB2.0 Connector (Front_USB)
HDD&ODD Power Cable Connector (SATA_PWR)
Clear CMOS Jumper (CMOS_CLR); Clear Password Jumper (PASSWORD_CLR); Clear Password ; Jumper (PASSWORD_CLR); Service Mode Jumper (SERVICE_MODE)
Internal Speaker Connector (INT_SPKR)
Internal USB Connector (WF_BT_USB)
SATA 1 Connector White Color (SATA1)
Battery Connector (BATTERY)