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The diagram below identifies the major components of the Intel® Desktop Board DQ77KB.
Top of board:

| Label |
Description |
| A |
Internal stereo speakers connector |
| B |
Serial port header |
| C |
Intel® Q77 Express Chipset |
| D |
Intel® Management Engine BIOS Extension (Intel® MEBX) Reset header |
| E |
BIOS Setup configuration jumper block |
| F |
Back panel connectors |
| G |
Intel® Management Engine “M” state LED |
| H |
Internal power connector (1 x 2 pin) |
| I |
PCI Express* Full-/Half-Mini Card slot |
| J |
System fan header |
| K |
Front panel single-port USB 2.0 header |
| L |
SATA 6.0 Gb/s connectors through the PCH (blue) |
| M |
SATA 3.0 Gb/s connectors through the PCH (black) |
| N |
Front panel header |
| O |
Standby power LED |
| P |
SATA power connector |
| Q |
PANEL_OFF header |
| R |
Chassis intrusion header |
| S |
Panel voltage selection header |
| T |
LVDS connector |
| U |
DDR3 SO-DIMM 2 socket |
| V |
DDR3 SO-DIMM 1 socket |
| W |
FPD brightness connector |
| X |
Backlight inverter voltage selection header |
| Y |
Front panel dual-port USB 2.0 connector |
| Z |
Low Pin Count (LPC) Debug connector |
| AA |
Front panel dual-port USB 2.0 connector |
| BB |
Processor fan header |
| CC |
LGA1155 processor socket |
| DD |
PCI Express* Half-Mini Card slot |
| EE |
PCI Express* x4 add-in card connector |
| FF |
Custom solutions header |
| GG |
Front panel audio connector |
| HH |
DMIC header |
| II |
Battery | |
Bottom of board:

| Label |
Description |
| A |
Embedded DisplayPort (eDP) connector | |
This applies to:
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