External PCIe Power Supply Interface on the Auxiliary PCIe Connection Card
The Auxiliary PCIe card contains the same external +12V power connector as on the BF1600 Controller Card (reference #4). This external +12V connector
on the Auxiliary PCIe card connects to the +12V on the PCIe edge connector. It is used for the case where an ATX 8-pin power supply connector is not
available in the system. In that situation, it is possible to connect this external +12V connector on the Auxiliary PCIe card to the external +12V connector
on the BF1600 Controller card. This allows the BF1600 Controller card to get up to 75W of +12V from its own PCIe edge connector plus up to 75W of +12V
from the Auxiliary PCIe card’s edge connector. The Auxiliary PCIe card does not directly use +12V. The Auxiliary PCIe card takes its +3.3V from the PCIe
edge connector. The 3.3V AUX rail for the auxiliary card is connected to the EEPROM.For the external PCIe power supply pins, please refer toExternal
Power Supply Interfaces.
The use of an external power supply interface is restricted to the ATX 8-pin connector only, as shown in the above picture.
The PCIe Auxiliary Connection card is supplied with the following OPNs: MBF1M626A-CSNAT, MBF1M656A-CSNAT and MBF1M636A-CSNAT
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