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Double-check that the PCIe host card is seated correctly in the
right PCIe slot. Note that a physical x16 slot (in length) can
electrically be connected as x8 or less. Therefore it is important
to consult your motherboard’s user manual to verify the actual
bandwidth supported by the slot.
Check the DIP switch settings on the Magma Host Card:
The DIP switch must be set to the x8 position as shown in
the above photo for the chassis to work correctly, since the
EB7-x8 system supports PCIe bandwidths up to x8.
Try moving the PCIe host card to a different PCIe slot.
Verify that all required link lights on the back of the chassis are lit.
All LEDs should be ON if all 7 slots are populated with PCI
Express cards. The topmost LED on the left, labeled ‘0’ illustrates
a good uplink connection between the chassis and the host
machine. The rest of the LEDs light up depending on the
populated slot number. In case LED ‘0’ is OFF, check the cable
and verify it is properly connected. Also verify the Magma PCI
Express Host card is properly inserted into the host computer
slot. In case any other LED is off, ensure the respective card is
functional and properly seated in its ExpressBox slot.