Asus PRIME X399-A [37/96] Chapter 1

Asus PRIME X399-A [37/96] Chapter 1
ASUS PRIME X399-A
1-23
Chapter 1
System power LED (2-pin or 3-1 pin PWR_LED)
The2-pinor3-1pinconnectorisforthesystempowerLED.Connectthechassis
powerLEDcabletothisconnector.ThesystempowerLEDlightsupwhenyouturnon
thesystempower,andblinkswhenthesystemisinsleepmode.
Hard disk drive activity LED (2-pin HDD_LED)
This2-pinconnectorisfortheHDDActivityLED.ConnecttheHDDActivityLEDcable
tothisconnector.TheHDDLEDlightsuporasheswhendataisreadfromorwritten
totheHDD.
System warning speaker (4-pin SPEAKER)
This4-pinconnectorisforthechassis-mountedsystemwarningspeaker.Thespeaker
allowsyoutohearsystembeepsandwarnings.
ATX power button/soft-off button (2-pin PWRSW)
Thisconnectorisforthesystempowerbutton.Pressingthepowerbuttonturnsthe
systemonorputsthesysteminsleeporsoft-offmodedependingontheoperating
systemsettings.Pressingthepowerswitchformorethanfoursecondswhilethe
systemisONturnsthesystemOFF.
Reset button (2-pin RESET)
This2-pinconnectorisforthechassis-mountedresetbuttonforsystemrebootwithout
turningoffthesystempower.
9. System panel connector (20-5 pin PANEL)
Thisconnectorsupportsseveralchassis-mountedfunctions.
PRIME X399-A System panel connector
+PWR_LED-
+PWR_LED-
SPEAKER
+HDD_LED-
PWRSW
RESET
PIN 1
PLED+
PLED-
PWRBTN#
GND
+5V
Ground
Ground
Speaker
HDD_LED+
HDD_LED-
Ground
RSTCON#
NC
PLED+
PLED-
PANEL

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