Intel DP67BG Product Specification - Page 47
Add-in Card Connectors
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Technical Reference 2.2.2.2 Add-in Card Connectors The board has the following add-in card connectors: • PCI Express 2.0 x16: two PCI Express 2.0 x16 connectors supporting simultaneous transfer speeds up to 8 GB/s of peak bandwidth per direction and up to 16 GB/s concurrent bandwidth. • PCI Express 2.0 x1: three PCI Express 2.0 x1 connectors. The x1 interface supports simultaneous transfer speeds up to 1 GB/s of peak bandwidth per direction and up to 2 GB/s concurrent bandwidth. • Conventional PCI (rev 2.3 compliant) bus: two Conventional PCI bus add-in card connectors. Note the following considerations for the Conventional PCI bus connector: • The Conventional PCI bus connectors are bus master capable. • SMBus signals are routed to the Conventional PCI bus connectors. This enables Conventional PCI bus add-in boards with SMBus support to access sensor data on the desktop 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. 47