Intel BLKDG43NB Product Specification - Page 48

Add-in Card Connectors, 2.2.3, Auxiliary Front Panel Power/Sleep LED Header

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Intel Desktop Board DG43NB Technical Product Specification 2.2.2.2 Add-in Card Connectors The board has the following add-in card connectors: • One PCI Express 2.0 x16 connector: ⎯ Supports PCI Express 1.1 frequency of 1.25 GHz resulting in 2.5 Gb/s each direction (500 MB/s total). The maximum theoretical bandwidth on the interface is 4 GB/s in each direction simultaneously, for an aggregate of 8 GB/s when operating in x16 mode. ⎯ Supports PCI Express 2.0 frequency of 2.5 GHz resulting in 5.0 Gb/s each direction (1000 MB/s total). The maximum theoretical bandwidth on the interface is 8 GB/s in each direction simultaneously, for an aggregate of 16 GB/s when operating in x16 mode. • PCI Express x1: three PCI Express x1 connectors. The x1 interfaces support simultaneous transfer speeds up to 250 Mbytes/sec of peak bandwidth per direction and up to 500 MB/sec concurrent bandwidth. • PCI Conventional (rev 2.3 compliant) bus: three PCI Conventional bus add-in card connectors. The SMBus is routed to all PCI Conventional bus connectors. PCI Conventional bus add-in cards with SMBus support can access sensor data and other information residing on the board. Note the following considerations for the PCI Conventional bus connectors: • All of the PCI Conventional bus connectors are bus master capable. • SMBus signals are routed to all PCI Conventional bus connectors. This enables PCI Conventional bus add-in boards with SMBus support to access sensor data on the board. The specific SMBus signals are as follows: ⎯ The SMBus clock line is connected to pin A40. ⎯ The SMBus data line is connected to pin A41. 2.2.2.3 Auxiliary Front Panel Power/Sleep LED Header Pins 1 and 3 of this header duplicate the signals on pins 2 and 4 of the front panel header. Table 21. Auxiliary Front Panel Power/Sleep LED Header Pin Signal Name 1 HDR_BLNK_GRN 2 Not connected 3 HDR_BLNK_YEL In/Out Out Out Description Front panel green LED Front panel yellow LED 48

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Intel Desktop Board DG43NB Technical Product Specification
48
2.2.2.2
Add-in Card Connectors
The board has the following add-in card connectors:
•
One PCI Express 2.0 x16 connector:
⎯
Supports PCI Express 1.1 frequency of 1.25 GHz resulting in 2.5 Gb/s each
direction (500 MB/s total).
The maximum theoretical bandwidth on the
interface is 4 GB/s in each direction simultaneously, for an aggregate of 8 GB/s
when operating in x16 mode.
⎯
Supports PCI Express 2.0 frequency of 2.5 GHz resulting in 5.0 Gb/s each
direction (1000 MB/s total).
The maximum theoretical bandwidth on the
interface is 8 GB/s in each direction simultaneously, for an aggregate of
16 GB/s when operating in x16 mode.
•
PCI Express x1:
three PCI Express x1 connectors.
The x1 interfaces support
simultaneous transfer speeds up to 250 Mbytes/sec of peak bandwidth per
direction and up to 500 MB/sec concurrent bandwidth.
•
PCI Conventional (rev 2.3 compliant) bus: three PCI Conventional bus add-in card
connectors.
The SMBus is routed to all PCI Conventional bus connectors
.
PCI
Conventional bus add-in cards with SMBus support can access sensor data and
other information residing on the board.
Note the following considerations for the PCI Conventional bus connectors:
•
All of the PCI Conventional bus connectors are bus master capable.
•
SMBus signals are routed to all PCI Conventional bus connectors.
This enables PCI
Conventional bus add-in boards with SMBus support to access sensor data on the
board.
The specific SMBus signals are as follows:
⎯
The SMBus clock line is connected to pin A40.
⎯
The SMBus data line is connected to pin A41.
2.2.2.3
Auxiliary Front Panel Power/Sleep LED Header
Pins 1 and 3 of this header duplicate the signals on pins 2 and 4 of the front panel
header.
Table 21.
Auxiliary Front Panel Power/Sleep LED Header
Pin
Signal Name
In/Out
Description
1
HDR_BLNK_GRN
Out
Front panel green LED
2
Not connected
3
HDR_BLNK_YEL
Out
Front panel yellow LED