2-8. Connect Cables
1. CPU Fan Connector (J18)
This connector supplies the power for the CPU cooling fan cable (3-pin or 2-
pin). If you have a fan which has two cables(Red and Black), then match
Red line to Pin No.2 and connect 1&2 .
2. Primary / Secondary IDE Connectors (J5 / J6)
These connectors support for the provided 40-pin ribbon cable. After
connecting the single end to the motherboard, connect the two plugs at the
other end of your hard disk drive(s).
3. FDD Connector (J7)
This connector supports for the provided 34-pin ribbon cable. After
connecting the single end to the motherboard, connect the two plugs on the
other end of the floppy drive(s).
4. IR Connector (J17)
CB649M-SI provides one connector which can support IrDA (InfraRed Data
Association) receiver module. It gives to users IR wireless data exchange
d i rectly from mobile computers, printers and PDAs,. etc.
2 - 9
CB649M-SI User’s Manual
Pin
Signal Name
1
C o n ro l ( G ro u n d )
2
+ 1 2 V
3
S e n s e
Pin
Signal Name
1
+ 5 V
2
I R _ R X H
3
I R _ R X L
4
G ro u n d
5
I R _ T X
CB649M-SI(1)¿Ø
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