Intel D865GRH D865GRH_TechProdSpec. - Page 79
Add-in Board and Peripheral Interface Connectors
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Technical Reference 2.8.2.4 Add-in Board and Peripheral Interface Connectors Figure 19 shows the location of the add-in board connector and peripheral connectors for the Desktop Board D865GRH. Note the following considerations for the PCI bus connectors: • All of the PCI bus connectors are bus master capable. • SMBus signals are routed to PCI bus connector 2. This enables 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. ABCD Item A B C D E 2 1 1 2 1 J I HG 40 39 2 34 33 39 1 F E Description PCI bus connector 3 PCI bus connector 2 PCI bus connector 1 AGP connector Diskette drive Item F G H I J OM15933 Description Primary Parallel ATA IDE [black] Secondary Parallel ATA IDE [white] SCSI hard drive activity LED (optional) Serial ATA connector 1 Serial ATA connector 0 Figure 19. D865GRH Add-in Board and Peripheral Interface Connectors 79