Intel D845PEBT2 Product Specification - Page 61
Add-in Board and Peripheral Interface Connectors
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Technical Reference 2.8.2.3 Add-in Board and Peripheral Interface Connectors Figure 14 shows the location of the add-in board and peripheral connectors for the Desktop Board D845PEBT2. Note the following considerations for the PCI bus connectors: • All of the PCI bus connectors are bus master capable. • The SMBus is routed to PCI bus connector 1 or 2 depending on the board's AA number labeled on the board's front right corner (see section 2.8.2.1 on page 57). This enables PCI bus add-in boards with SMBus support to access sensor data on the Desktop Board D845PEBT2. 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 A B C DE F G H 1 4 7 1 2 1 7 1 39 40 1 2 1 2 1 39 1 40 2 2 1 40 39 40 39 34 33 PO NM L K JI Item A B C D E Description CNR (optional) PCI bus connector 5 PCI bus connector 4 ATAPI-style CD-ROM PCI bus connector 3 F PCI bus connector 2 G PCI bus connector 1 H AGP For more information see: Table 36 Table 37 Table 39 Table 37 Table 37 Table 37 Table 37 Table 38 Item I J K L M N O P Description Secondary IDE [white] Primary IDE [black] Diskette drive SCSI LED Secondary IDE RAID [blue] (optional) Primary IDE RAID [blue] (optional) Primary SATA/SATA RAID (optional) Secondary SATA/SATA RAID (optional) OM15034 For more information see: Table 41 Table 41 Table 40 Table 42 Table 43 Table 43 Table 44 Table 44 Figure 14. D845PEBT2 Add-in Board and Peripheral Interface Connectors 61