Connector Functions - Acer M9N System User Manual

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
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
1-6
Function
User's Guide