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2.7 – Onboard Intel
®
82551QM Fast Ethernet Controller (JP24)
2.8 – External LAN LED Header for onboard Intel
82551QM LAN (J40)
JP24
Onboard Intel
®
82551QM (LAN1)
(OPEN)
(CLOSE)
Enabled
(Default)
Disabled
The onboard LAN1, Intel 82551QM Fast
Ethernet controller, with its RJ-45 (
J26
, next to
VGA connector in the rear I/O.) can be enabled
or disabled by JP24.
OPEN:
The jumper
enables
the onboard Intel
82551QM 10/100 Mbps Fast Ethernet controller.
CLOSE:
The onboard Intel 82551QM 10/100
Mbps Fast Ethernet controller can be
disabled
by placing a jumper shunt on jumper JP24.
J40
Onboard Intel
®
82551QM (LAN1)
J40
is a 4-pin
external LAN LED header for
onboard LAN1 / Intel 82551QM controller.
The LED indication is similar to the LEDs on J26.
LED indications:
Pin 1:
Yellow LED +
Pin 2:
Yellow LED -
Pin 3:
Green LED +
Pin 4:
Green LED
-
Link not established:
Yellow LED: Off
Green LED: Off
Link at 10Mbps without activity
Yellow LED: Off
Green LED: On
Link at 10Mbps with activity
Yellow LED: Off
Green LED: Blink
Link at 100Mbps without activity
Yellow LED: On
Green LED: Off
Link at 100Mbps with activity
J40
Yellow LED: Blink
Green LED: Off