Intel DG41KR Product Specification - Page 48

Add-in Card Connectors

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Intel Desktop Board DG41KR Technical Product Specification 2.2.2.2 Add-in Card Connectors The board has the following add-in card connectors: • One PCI Express 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. • PCI Express x1: one PCI Express x1 connector. The x1 interface supports 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: two PCI Conventional bus add-in card connectors. 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. 48

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Intel Desktop Board DG41KR Technical Product Specification
48
2.2.2.2
Add-in Card Connectors
The board has the following add-in card connectors:
•
One PCI Express 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.
•
PCI Express x1:
one PCI Express x1 connector.
The x1 interface supports
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:
two PCI Conventional bus add-in card
connectors.
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.