Intel DQ77KB Technical Product Specification - Page 63

Add-in Card Connectors, 2.3.3, Power Supply Connectors - alternative

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Technical Reference Table 37. Custom Solutions Header Pin Signal Name Pin 1 Prog_LED 2 3 Key (no pin) 4 5 +3.3 VSB 6 7 PWRBT# 8 9 +5 VSB 10 11 USB+ 12 13 SCI/SMI GPIO 14 Signal Name Ground SMB_CLK SMB_Data HDM CEC No Connection USB− WDTO#/GPIO 2.2.3.2 Add-in Card Connectors The board has the following add-in card connectors: • One PCI Express 2.0 x4 connector. The x4 interface supports simultaneous transfer speeds up to 500 MB/s of peak bandwidth per lane, per direction, for up to 4 GB/s concurrent and bi-directional bandwidth. • One PCI Express Half-Mini Card slot • One PCI Express Full-/Half-Mini Card slot (removable stand-offs in full-length keep out zone allows repurposing of Full-Mini Card slot into Half-Mini Card slot) 2.2.3.3 Power Supply Connectors The board has the following power supply connectors: • External Power Supply - the board can be powered through a 19 V DC connector on the back panel. The back panel DC connector is compatible with a 7.4 mm/OD (outer diameter) and 5.1 mm/ID (inner diameter) plug, where the inner contact is +19 (±10%) V DC and the shell is GND. The maximum current rating is 12 A. • Internal Power Supply - the board can alternatively be powered via the internal 19 V DC 1 x 2 power connector, where pin 1 is GND and pin 2 is +19 (±10%) VDC. Table 38. Internal Power Supply Connector Pinout Pin Signal Name 1 Ground 2 DC input: +8 (±10%) through +19 (±10%) VDC For information about Power supply considerations Refer to Section 2.7.1, page 74 63

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Technical Reference
63
Table 37.
Custom Solutions Header
Pin
Signal Name
Pin
Signal Name
1
Prog_LED
2
Ground
3
Key (no pin)
4
SMB_CLK
5
+3.3 VSB
6
SMB_Data
7
PWRBT#
8
HDM CEC
9
+5 VSB
10
No Connection
11
USB+
12
USB
−
13
SCI/SMI GPIO
14
WDTO#/GPIO
2.2.3.2
Add-in Card Connectors
The board has the following add-in card connectors:
•
One PCI Express 2.0 x4 connector.
The x4 interface supports simultaneous
transfer speeds up to 500 MB/s of peak bandwidth per lane, per direction, for up to
4 GB/s concurrent and bi-directional bandwidth.
•
One PCI Express Half-Mini Card slot
•
One PCI Express Full-/Half-Mini Card slot (removable stand-offs in full-length keep
out zone allows repurposing of Full-Mini Card slot into Half-Mini Card slot)
2.2.3.3
Power Supply Connectors
The board has the following power supply connectors:
•
External Power Supply
– the board can be powered through a 19 V DC
connector on the back panel.
The back panel DC connector is compatible with a
7.4 mm/OD (outer diameter) and 5.1 mm/ID (inner diameter) plug, where the
inner contact is +19 (±10%) V DC and the shell is GND.
The maximum current
rating is 12 A.
•
Internal Power Supply
– the board can alternatively be powered via the internal
19 V DC 1 x 2 power connector, where pin 1 is GND and pin 2 is +19 (±10%) VDC.
Table 38.
Internal Power Supply Connector Pinout
Pin
Signal Name
1
Ground
2
DC input: +8 (±10%) through +19 (±10%) VDC
For information about
Refer to
Power supply considerations
Section 2.7.1, page 74