Asus K8N-DRE User Manual

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C h a p t e r 2 : H a r d w a r e i n f o r m a t i o n

1 3 .

1 3 . System panel auxiliary connector (20-pin AUX_PANEL1)

S y s t e m p a n e l a u x i l i a r y c o n n e c t o r ( 2 0 - p i n A U X _ P A N E L 1 )

This connector supports several server system functions.

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C h a s s i s I n t r u s i o n c o n n e c t o r ( 3 - p i n C A S E O P E N )

C h a s s i s I n t r u s i o n c o n n e c t o r ( 3 - p i n C A S E O P E N )
This lead is for a chassis with an intrusion detection feature. This
requires an external detection mechanism such as a chassis intrusion
sensor or microswitch. When you remove any chassis component, the
sensor triggers and sends a high-level signal to this lead to record a
chassis intrusion event.

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L A N 1 l i n k a c t i v i t y L E D ( 2 - p i n L A N 1 _ L I N K A C T L E D )

L A N 1 l i n k a c t i v i t y L E D ( 2 - p i n L A N 1 _ L I N K A C T L E D )
This 2-pin connector is for the LAN1 Activity LED. Connect the LAN1
Activity LED cable to this connector. This LED blinks during a network
activity and is always lit when linked.

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L A N 2 l i n k a c t i v i t y L E D ( 2 - p i n L A N 2 _ L I N K A C T L E D )

L A N 2 l i n k a c t i v i t y L E D ( 2 - p i n L A N 2 _ L I N K A C T L E D )
This 2-pin connector is for the LAN2 Activity LED. Connect the LAN2
Activity LED cable to this connector. This LED blinks during a network
activity and lights up when linked.

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L o c a t o r L E D 1 ( 2 - p i n L O C A T O R L E D 1 )

L o c a t o r L E D 1 ( 2 - p i n L O C A T O R L E D 1 )
This 2-pin connector is for the Locator LED 1. Connect the Locator
LED 1 cable to this connector. This LED lights up when the Locator
button is pressed.

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L o c a t o r L E D 2 ( 2 - p i n L O C A T O R L E D 2 )

L o c a t o r L E D 2 ( 2 - p i n L O C A T O R L E D 2 )
This 2-pin connector is for the Locator LED 2. Connect the Locator
LED 2 cable to this connector.

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L o c a t o r B u t t o n / S w i t c h ( 2 - p i n L O C A T O R B T N )

L o c a t o r B u t t o n / S w i t c h ( 2 - p i n L O C A T O R B T N )
This connector is for the locator button. This button queries the state
of the system locator.

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F r o n t P a n e l S M B u s ( 6 - 1 p i n )

F r o n t P a n e l S M B u s ( 6 - 1 p i n )
This connector allows you to connect SMBus (System Management
Bus) devices to the system front panel. Devices communicate with an
SMBus host and/or other SMBus devices using the SMBus interface.

K8N-DRE

K8N-DRE Auxiliary panel connector

AUX_PANEL1

I2CDATA_P2

LOCATORLED1+

+5VSB

LOCATORLED1-

LAN1_LINKACTLED+

LOCATORBTN#

LAN1_LINKACTLED-

GND

+5VSB

I2CCLK_P2

GND

LAN2_LINKACTLED-

LOCATORLED2-

LAN2_LINKACTLED+

LOCATORLED2+

CASEOPEN