System Board Connector Functions

Connector

Function

Connect to...

 

 

 

CN2

Rear Universal

USB device

 

Serial Bus (USB)

 

 

connector

 

 

 

 

CN3

ATX Power Supply

Power supply

 

Connector

 

 

 

 

CN6

CRT VGA connector

Monitor

 

 

 

CN7

IDE 2

CD-ROM

 

 

 

CN8

IDE 1

Hard Disk Drive

 

 

 

CN9

Test Serial Debug

 

 

PORT

 

 

 

 

CN10

POV connector

POV board

 

 

 

CN11

Front Universal

USB device

 

Serial Bus (USB)

 

 

connector

 

 

 

 

CN12

CD- audio input

CD-ROM

 

connector

 

 

 

 

CN16

RFID connector

RFID Antenna

 

 

 

CN17

Internal Speaker

Internal Speaker

 

 

 

U2

CPU connector

processor

 

 

 

FN1

CPU Fan connector

processor Fan

 

 

 

BT1

System Battery

System battery

 

connector

 

 

 

 

JK1

Microphone in port

Microphone

 

 

 

JK2

Line in port

Audio signal input

 

 

 

JK3

Line out port

Speaker

 

 

 

DIMM1

System memory

Memory

DIMM2

module connectors

 

 

 

 

SL1

PCI Slot

Adapter Card

SL2

 

 

 

 

 

CNN1

Power Button,

Power Button

 

Power LED and

HDD LED

 

HDD LED

 

JP4

Amplifier Select

 

 

 

 

JP11

Amplifier Select

 

 

 

 

JP7

Boot Block / CMOS

 

 

Clear

 

 

 

 

NOTE: The white corner of the jumper block represents pin 1.

106 IBM Desktop System HMM

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IBM 6645, 6644, 6646 manual System Board Connector Functions, Connector Function Connect to