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Chapter 2: Installation
2-17
Chassis/Overheat Fan Select
JP48 allows you to select to use ei-
ther the chassis fan or the overheat
fan. The default position is closed to
select the chassis fan. See the table
on the right for jumper settings.
Jumper
Position
Open
Closed
Definition
Overheat Fan
Chassis Fan
Chassis/Overheat Fan
Select Jumper Settings
(JP48)
Fan Detection Select
JP58 allows you to select which fan
speed to have displayed in the
Hardware Monitors section of BIOS
(the CPU1/2 fans or the CPU1/CPU2
Chassis fans). The default position
is open to select the CPU1/2 fans.
See the table on the right for jumper
settings.
Jumper
Position
Open
Closed
Definition
CPU1/2 Fans
CPU1/2 Ch Fans
Fan Detection Select
Jumper Settings (JP58)
Watch Dog
JP3 controls the Watch Dog function.
Watch Dog is a system monitor that
takes action when a software appli-
cation freezes the system. Pins 1-2
will have WD reset the system if a
program freezes. Pins 2-3 will gener-
ate a non-maskable interrupt for the
program that has frozen (requires
software implementation). See the
table on the right for jumper settings.
Watch Dog must also be enabled in
BIOS.
Jumper
Position
Pins 1-2
Pins 2-3
Open
Definition
WD to Reset
WD to NMI
Disabled
Watch Dog
Jumper Settings (JP3)
SpeakerEnable/Disable
(X5DLR-8G2+, X5DLR-8G2)
To disable the onboard speaker,
remove the jumper from JP2 (see
the table on the right).
Jumper
Position
Closed
Open
Definition
Enabled
Disabled
Speaker Enable/Disable
Jumper Settings
(JP2)