Intel D525MW Product Specification - Page 45
Intel D525MW Manual
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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 x1 Mini Card (rev 1.2 compliant) connector PCI Conventional (rev 2.3 compliant) bus connector (with riser card support for up to two PCI cards) The PCI Conventional bus connector is bus master capable. SMBus signals are routed to the PCI Conventional bus connector. 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. The PCI Conventional bus connector also supports single-slot and dual-slot riser cards for use of up to two bus master PCI expansion cards. In order to support two PCI bus master expansion cards, the riser card must support the following PCI signal routing: • Pin A11: additional 33 MHz PCI clock • Pin B10: additional PCI Request signal (i.e., PREQ#2) • Pin B14: additional PCI Grant signal (i.e., GNT#2) Note the following considerations for the PCI Conventional bus connector: • • 2.2.2.3 Power Supply Connector The board has a 2 x 12 power connector (see Table 23). This board requires a TFX12V or SFX12V power supply. Table 23. Power Connector Pin 1 2 3 4 5 6 7 8 9 10 11 12 Signal Name +3.3 V +3.3 V Ground +5 V Ground +5 V Ground PWRGD (Power Good) +5 V (Standby) +12 V +12 V No connect Pin 13 14 15 16 17 18 19 20 21 22 23 24 Signal Name +3.3 V -12 V Ground PS-ON# (power supply remote on/off) Ground Ground Ground No connect +5 V +5 V +5 V Ground 45