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The diagram below identifies the major components on the Intel® Desktop Board DH77DF.
Top of board
| Label |
Description |
| A |
Back panel connectors |
| B |
Battery |
| C |
Intel® H77 Express Chipset |
| D |
BIOS configuration jumper block |
| E |
IEEE 1394a front panel header (blue) |
| F |
SATA 3.0 Gb/s connectors (black) |
| G |
SATA 6.0 Gb/s connectors (blue) |
| H |
Front panel header |
| I |
Front panel USB 2.0 header |
| J |
Front panel USB 3.0 connector (blue) |
| K |
Alternate front panel power LED header |
| L |
Standby power LED |
| M |
Main power connector (2 x 12) |
| N |
Front panel USB 2.0 high current charging header (orange) |
| O |
PCI Express Full-/Half-Mini Card slot |
| P |
Piezoelectric speaker |
| Q |
LGA1155 processor socket |
| R |
DIMM 2 (Channel B DIMM 1) |
| S |
DIMM 1 (Channel A DIMM 1) |
| T |
Processor fan header |
| U |
Consumer IR transmitter (output) header (white) |
| V |
Home Theater PC (HTPC) header (white) |
| W |
Consumer IR receiver (input) header (white) |
| X |
S/PDIF out header (yellow) |
| Y |
PCI Express x16 bus add-in card connector |
| Z |
12V processor core voltage connector (2 x 2) |
| AA |
Chassis intrusion header |
| BB |
System fan header |
| CC |
Front panel audio header (yellow) | |
Bottom of board
| Label |
Description |
| A |
Low Pin Count (LPC) Debug connector | |
This applies to:
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