TROUBLE SHOOTING/SYSTEM OPERATIONS
4-2
PCIe2-2712 PCI Express Gen2 Expansion System User’s Manual
Revision 1.0, February 2015
If you suspect you are encountering a BIOS enumeration issue, try updating the BIOS to the latest
version posted on the PC manufacturer’s website. If the problem persists, use a different PC make and
model, or contact the PC manufacturer for additional assistance.
Table 4-2. Link LED Indication
OFF
Link is down
ON
Link is up, all lanes, Gen2 (5GT/s) rate.
BLINK: 0.5 seconds ON, 0.5 seconds OFF
Link is up, reduced lanes, Gen2 (5GT/s rate)
BLINK: 1.5 seconds ON, 0.5 seconds OFF
Link is up, all lanes, Gen1 (2.5GT/s rate).
BLINK: 0.5 seconds ON, 1.5 seconds OFF
Link is up, reduced lanes, Gen1 (2.5GT/s rate).