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Appendix I: Onboard LAN LED Color Definition and Pinout
LAN 2 Port, 10/100/1000 Mbps, Intel 82545, RJ -45 Connector = J53
Left LED
Right LED
Network link not established
Off
Off
Linked at 10 Mbps (10 BaseT)
Activity at 10 Mbps
Off
Off
Green
Blink Green
Linked at 100 Mbps (100 BaseTX)
Activity at 100 Mbps
Yellow
Blink Yellow
Off
Off
Linked at 1000 Mbps (1000 BaseT)
Activity at 1000 Mbps
Yellow
Blink Yellow
Green
Blink Green
LAN 1 Port, 10/100 Mbps, Intel 82551, RJ -45 Connector = J55
Left LED
Right LED
Network link not established
Off
Off
Linked at 10 Mbps (10 BaseT)
Activity at 10 Mbps
Off
Off
Green
Blink Green
Linked at 100 Mbps (100 BaseTX)
Activity at 100 Mbps
Yellow
Blink Yellow
Off
Off
NIC four pin headers pin-outs: J53 & J 55
Pin 1 = Link <>
Pin 2 = Link <> Yellow -
Pin 3 = Speed <> Green +
Pin 4 = Speed <> Green -