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2.4.3
Connector Functions
Table 2-2 lists the different connectors on the system board and their respective
functions.
Table 2-2
Connector Functions
Connector
CN2
CN3
CN4
CN7
CN8
CN9
CN10
CN11
CN12
CN13
CN14
CN15
CN16
CN19
CN20
CN21
CN22
CN23
CN24
CN25
CN26
CN27
CN28
CN29
SPP control connector
Power core connector
PS/2 mouse (above) / keyboard (below) connectors
Power core connector (Auxiliary)
USB connectors
CPU2 Fan Connector
CPU2 Temperature connector
COM2 (lower left), COM1 (lower right), and Parallel port (above)
HDD Fail LED signal connector
Housing fan 1
RJ45 LAN socket
Housing fan 2
CPU1 Temperature connector
FDD connector
CPU1 Fan connector
Secondary IDE connector
Primary IDE connector
Housing fan 3
SPS power and fan monitoring
Housing fan 4
Reset switch
Power LED connector
Reserved
Housing HDD LED connector
Function
Chapter 2 – System Board
2-7
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