MPC8349E-mITX-GP Reference Design Platform User’s Guide, Rev. 0
Freescale Semiconductor
17
Preliminary—Subject to Change Without Notice
MPC8349E-mITX-GP Board
3.3 V PCI cards can be identified by the key position on the PCI card, as shown in
Figure 14
.
Figure 14. 3.3 V Key on a Typical 3.3 V PCI Card
1.4.4
Fan Connectors
There are two fan connectors on the MPC8349E-mITX-GP board, one for powering a 5 V fan (J9) and the
other for powering a 12 V fan (J5). For typical fans, the red wire is always positive (+) and the black wire
is always negative (–).
1.4.5
Battery Holder
The MPC8349E-mITX-GP board contains an RTC that requires a battery to maintain the data inside the
RTC. The battery holder (BT1) accommodates a CR-2032.
Figure 15
shows how to insert a battery.
Figure 15. Installation of Battery
1.4.6
Power Connector
P18 is compatible with connectors from ATX power supply, supplying necessary DC power to the
MPC8349E-mITX-GP board.
PCI Slot
5 V Key
DIMM
RJ-45
Match
3.3 V Key
Here
Battery Holder
1. Insert
2. Press
CR-2032 Lithium Battery