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S
S
S
UPER
TORAGE
YSTEM 2028R-ACR24L User's Manual
LAN Enable/Disable
JPL1 enables or disables the Gb LAN
ports on the serverboard. See the
table on the right for jumper settings.
The default setting is Enabled.
2
I
C Bus to PCI-Exp. Slots
Jumpers JI
C1 and JI
C2 allow you
2
2
to connect the System Management
Bus (I
2
C) to the PCI-Express slots to
improve PCI performance. The default
setting is Enabled. Both jumpers must
be set to the same setting See the
table on the right for jumper settings.
Manufacturer's Mode
Jumper JPME2 allows the user to
flash the system firmware from a
host server in order to modify system
settings. Close this jumper to bypass
SPI flash security, and force ME into
recovery mode in order to use recov-
ery jumpers. See the table on the right
for jumper settings.
BMC Enable
Jumper JPB1 allows you to enable
the embedded the ASpeed AST 2400
BMC (Baseboard Management) Con-
troller to provide IPMI 2.0/KVM sup-
port on the serverboard. The default
setting is Enabled. See the table on
the right for jumper settings.
GLAN Enable
Jumper Settings
Jumper Setting Definition
Pins 1-2
Enabled
Pins 2-3
Disabled
I
2
C to PCI-E Slots
Jumper Settings
Jumper Setting
Definition
Pins 1-2
Enabled
Pins 2-3
Disabled
ME Mode Select
Jumper Settings
Jumper Setting
Definition
Pins 1-2
Normal
Pins 2-3
Manufacture's Mode
BMC Enable
Jumper Settings
Jumper Setting
Definition
Pins 1-2
Enabled
Pins 2-3
Disabled
5-22
Watch Dog Enable/Disable
Jumper JWD1 controls the Watch
Dog function. Watch Dog is a sys-
tem monitor that can reboot the
system when a software application
hangs. Jumping pins 1-2 will cause
WD to reset the system if an appli-
cation hangs. Jumping pins 2-3 will
generate a non-maskable interrupt
signal for the application that hangs.
See the table on the right for jumper
settings. Watch Dog must also be
enabled in BIOS.
Note: When enabled, the user
needs to write their own applica-
tion software in order to disable the
Watch Dog Timer.
5-23
Chapter 5: Advanced Serverboard Setup
Watch Dog
Jumper Settings
Jumper Setting
Definition
Pins 1-2
Reset
Pins 2-3
NMI
Open
Disabled
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