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System Board Layout
Dell™ OptiPlex™ 780 Ultra Small Form Factor—Service Manual
WARNING:
Before working inside your computer, read the safety information that shipped with your
computer. For additional safety best practices information, see the Regulatory Compliance Homepage
at www.dell.com/regulatory_compliance.
1
intrusion switch connector (INTRUDER)
3
processor connector (CPU)
5
memory module connectors (DIMM_1, DIMM_2)
7
front-panel connector (FRONTPANEL)
9
PCI-E mini card (PCIE_MINICARD)
11 power connector (POWER)
13 hard-drive or optical-drive power connector (HDD_ODD_POWER) 14 battery socket (BATTERY)
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2
power connector (POWER)
4
front-panel connector (FRONTPANEL)
6
internal speaker connector
8
front-fan connectors (FAN_FRONT)
10 fan connectors (FAN_CPU)
12 SATA drive connectors (SATA0, SATA1)
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