Express9 led’s – Datapath Express9 User Manual
Page 12
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09/03/2011
Express9 LED’s
The Datapath Express9 backplane has an LED for each PCIe slot and the PICMG1.3 SBC
slot.
The LED’s indicate the following:
Flashes on for 1.5 seconds then off for 0.5 seconds.
This indicates that the full lane width has been established for that slot e.g. x4 card in
a x4 slot
Flashes on for 0.5 seconds then off for 1.5 seconds.
This indicates that a reduced lane width has been established and the slot is not
working to maximum efficiency e.g. a x1 card inserted into a x4 slot.
No LED’s flashing.
This indicates that lane width has not been established.
The LED’s will not flash on slots where no cards are fitted.