Supermicro 4020A-8R, Руководство пользователя

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5-22
A+ Server 4020A-8R User's Manual
5-11 Onboard Indicators
JLAN1/JLAN2 LEDs
The Ethernet ports (located beside
the VGA port) have two LEDs. On
each Gb LAN port, the yellow (right)
LED indicates activity while the left
LED may be green, orange or off to
indicate the speed of the connection.
See the table on the right for the func-
tions associated with the left (activity
speed) LED.
JLAN Right LED
(Connection Speed Indicator)
LED Color Defi nition
Off 10 MHz
Green 100 MHz
Amber 1 GHz
+3.3V Power LED
When illuminated, the DP1 LED
indicates that power from the pow-
er supply is being supplied to the
serverboard (DP1 indicates the pres-
ence of +3.3V). See the table on the
right for DP1 LED states.
+3.3V Power LED
(DP1)
Color System Status
Green Power present on serverboard
Off No power present on serverboard
Onboard Speaker Enable/
Disable
The JD1 header allows you to use
either an external speaker or the
internal (onboard) speaker. To use
the internal (onboard) speaker, close
pins 6 and 7 with a jumper. To use an
external speaker, connect the speaker
wires to pins 4 through 7 of JD1. See
the table on the right for settings and
the table associated with the Power
LED/Speaker connection (previous
section) for pin defi nitions.
Onboard Speaker Enable/Disable
Pin Defi nitions (JD1)
Pins Defi nition
6-7 Jump for onboard speaker
4-7 Attach external speaker wires