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1-6
User’s Guide
1.4.3
Connector Functions
Table 1-2 lists the different connectors on the system board and their
respective functions.
Table 1-2
Connector Functions
Connector
Function
CN1
COM 1
CN2, U3, U8
Power connectors
CN3
COM 2
CN4
Software shutdown connector for 420-watt SPS
CN7
PS/2 mouse (above) / keyboard (below) connectors
CN8
Power switch
CN9
Power LED and keylock connector
CN10
Monitor signal connector for redundant power supply
CN12
Software shutdown connector for redundant power
supply
CN13
Backplane board LED connector
CN14
Printer port (above) / video port (below)
CN15
IDE connector
CN16
LAN connector
CN17
Diskette drive connector
CN18
Channel 1 narrow SCSI connector
CN19
Universal serial bus (USB) ports
CN22
Channel 1 wide SCSI connector
CN23
Hard disk LED connector
CN25
SMM connector
CN26
Channel 2 wide SCSI connector
CN27, CN28
RDM connectors
CNN3
Connector for chassis intrusion prevention
FA1, FA2, FA3
Fan connectors