Supermicro 8042-6, Руководство пользователя

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Chapter 5: Advanced Serverboard Setup
5-21
LAN Enable/Disable
Change the setting of jumper JPL1
to enable or disable the onboard
L A N ( E t h e r n e t p o r t ) o n t h e
serverboard. See the table on the
right for jumper settings. The de-
fault setting is enabled.
Jum per
Position
Pins 1-2
Pins 2-3
Definition
Enabled
Disabled
LAN (Ethernet)
Enable/Disable
Jumper Settings
(JPL1)
Spread Spectrum Enable/
Disable
Jumper JP5 is used to enable or
disable the Spread Spectrum fea-
ture. Spread Spectrum is a tech-
nique used to stabilize operation
when a system is being affected
by electromagnetic interference.
The normal (default) position is
closed to enable Spread Spectrum.
S e e t h e t a b l e o n t h e r i g h t f o r
jumper settings.
Jum per
Position
Open
Closed
Definition
Disabled
Enabled
Spread Spectrum
Jumper Settings (JP5)
Third Power Supply Fail
Alarm Enable/Disable
This feature was designed spe-
cifically for systems with triple re-
dundant power supplies, such as
t h e 8 0 4 2 - 8 / 8 0 4 2 - 6 . W h e n e n -
abled, the system will notify you in
the event of a power supply fail-
ure. If you only have one or two
power supply units installed, you
should disable this with JP47 to
prevent false alarms. See the
table on the right for jumper set-
tings.
Jum per
Position
Open
Closed
Definition
Disabled
Enabled
3rd Power Supply Fail
Alarm Enable/Disable
Jumper Settings (JP47)