Connector Functions - Acer Altos 11000 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 COM 2
CN3, U1, U5 Power connectors
CN4 PS/2 mouse (above) / keyboard (below) connectors
CN5 Standby power connector for 420W standard SPS
CN6, CN7 RDM connectors
CN8 Power connector (connects to the system power
button on the front panel)
CN9 Standby power connector for 200W standard SPS
(also used for 420W redundant SPS)
CN10 Pin 1 and pin 2 for power LED
CN11 Signal connector for redundant power supply
CN12 NMI signal connector
CN13 Backplane board LED connector
CN14 Printer port (above) / video port (below)
CN15 IDE connector
CN16 LAN connector
CN17 Channel 1 narrow SCSI connector
CN18 Diskette drive connector
CN19 Universal serial bus (USB) ports
CN20 CPU board connector
CN21 CPU board connector
CN22 Channel 1 wide SCSI connector
CN23 Hard disk LED connector
CN24 SMM connector
CN25 Channel 2 wide SCSI connector
CNN1 Connector for chassis intrusion prevention
System Board
Function
1-7