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5 Technical Reference
Desktop Board Connectors
CAUTION
Many of the midboard and front panel connectors provide operating voltage (+5 V dc and
+12 V dc, for example) to devices inside the computer chassis, such as fans and internal
peripherals. These connectors are not overcurrent protected. Do not use these connectors for
powering devices external to the computer chassis. A fault in the load presented by the external
devices could cause damage to the computer, the interconnecting cable, and the external devices
themselves.
The desktop board connectors can be divided into three groups, as shown in Figure 27.
OM11637
B
C
A
A
B
C
Back panel connectors
(see page 80)
Midboard connectors
(see page 81)
Front panel connectors
(see page 85)
Figure 27. Connector Groups (the D815EEA2 Board Is Shown)