System Board Components

hard-drive connector (PRI_IDE)

serial ATA connectors

password jumper

floppy-drive connector (FLOPPY)

(SATA-0, SATA-1,

(PASS)

SATA-2, SATA-3)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

main power

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

connector (PWR)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

auxiliary power LED (AUX_PWR)

memory module

connectors (2, 4)

memory module connectors (1, 3)

processor fan (CPU FAN)

processor and heat- sink connector

rear fan connector (REAR FAN1)

power connector (12V PWR)

PCI-Express x16

 

card connector

SCSI LED header (SCSI LED)

front-panel connector

(FRONT PANEL)

internal speaker (SPKR)

card fan connector (PCI_FAN)

clear CMOS jumper (CMOS)

front-panel light connector (LED)

IEEE 1394 connector (1394)

battery socket (BATTERY)

PCI-Express x1 card connector

PCI card connectors (PCI

SLOT 1, PCI SLOT 2, PCI

SLOT 3, PCI SLOT 4)

Removing and Installing Parts

75

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Image 75
Dell U7021, WHL manual System Board Components