PCI Express 8x

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PCI Express 1x - 98 pin Female Connector PCI Express 1x - 98 pin Female Connector

PCI Express was introduced to overcome the limitations of the original PCI bus. Developed and released by Intel over a decade ago, the original PCI bus operated at 33MHz and 32 bits with a peak theoretical bandwidth of 132MB per second. It used a shared bus topology - bus bandwidth is shared among multiple devices - to enable communication among the different devices on the bus.

| Pin |

Side B Connector
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                      Side A Connector

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|—–|——————|———————| | # | Name | Description | | 1 | +12v | +12 volt power | | 2 | +12v | +12 volt power | | 3 | RSVD | Reserved | | 4 | GND | Ground | | 5 | SMCLK | SMBus clock | | 6 | SMDAT | SMBus data | | 7 | GND | Ground | | 8 | +3.3v | +3.3 volt power | | 9 | JTAG1 | +TRST# | | 10 | 3.3Vaux | 3.3v volt power | | 11 | WAKE# | Link Reactivation | || | 12 | RSVD | Reserved | | 13 | GND | Ground | | 14 | HSOp(0) | Transmitter Lane 0, Differential pair | | 15 | HSOn(0) | GND | | 16 | GND | Ground | | 17 | PRSNT#2 | Hotplug detect | | 18 | GND | Ground | | 19 | HSOp(1) | Transmitter Lane 1, Differential pair | | 20 | HSOn(1) | GND | | 21 | GND | Ground | | 22 | GND | Ground | | 23 | HSOp(2) | Transmitter Lane 2, Differential pair | | 24 | HSOn(2) | GND | | 25 | GND | Ground | | 26 | GND | Ground | | 27 | HSOp(3) | Transmitter Lane 3, Differential pair | | 28 | HSOn(0) | GND | | 29 | GND | Ground | | 30 | RSVD | Reserved | | 31 | PRSNT#2 | Hot plug detect | | 32 | GND | Ground | | 33 | HSOp(4) | Transmitter Lane 4, Differential pair | | 34 | HSOn(4) | GND | | 35 | GND | Ground | | 36 | GND | Ground | | 37 | HSOp(5) | Transmitter Lane 5, Differential pair | | 38 | HSOn(5) | GND | | 39 | GND | Ground | | 40 | GND | Ground | | 41 | HSOp(6) | Transmitter Lane 6, Differential pair | | 42 | HSOn(6) | GND | | 43 | GND | Ground | | 44 | GND | Ground | | 45 | HSOp(7) | Transmitter Lane 7, Differential pair | | 46 | HSOn(7) | GND | | 47 | GND | Ground | | 48 | PRSNT#2 | Hot plug detect | | 49 | GND | Ground |

References

Category:Buses Connectors

 

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