System Board Connectors

See Figure A-3 and Table A-2 for the location and description of the system board connectors.

Figure A-3. System Board Connectors

SLT1

processor and heat sink

CN4

Sys_Mgmt

DIMM1_A

DIMM2_A

DIMM1_B

DIMM2_B

CN2

CN3

Fan

 

BT1

 

J7

Table A-2. System Board Connectors

 

 

Connector

Description

 

 

BT1

Connector for the 3.0-V coin battery

CN2

12-V and 3.3-V power connector for the system

 

board

CN3

+5-V and –12-V power connector for the system

 

board

CN4

Daughter card connector

DIMMn_ x

Memory modules (4)

Fan

Power connector for the fan assembly

J7

Control panel interface connector

Jumpers, Switches, and Connectors

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Dell 745N manual CN3 Fan, Table A-2. System Board Connectors, Connector Description