Supermicro SUPERSERVER 6021H, User Manual, Page: 55 / 112

Chapter 5: Installation
5-21
Onboard LAN1 (NIC)
Enable/Disable
Change the setting of jumper JP58
to enable or disable the onboard
LAN1 (or Network Interface Card)
on your motherboard. See the
table on the right for jumper set-
tings.
Speaker Enable/Disable
Y o u m a y w a n t t o d i s a b l e t h e
onboard speaker. Jumper JP56
gives you this option. See the
table on the right for jumper set-
tings.
Ju m p e r
P o sitio n
O p e n
C lo se d
D e fin itio n
D isa b le d
E n a b le d
S p e a k e r E n a b le /D is a b le
J u m p e r S e tting s (J P 5 6 )
Ju m p e r
P o sitio n
P in s 1 -2
P in s 2 -3
D e fin itio n
E n a b le d
D isa b le d
O n b o a rd L A N 1 (N IC )
E n a b le /D is a b le
J u m p e r S e ttin g s (J P 5 8 )
Onboard LAN2 (NIC)
Enable/Disable
Change the setting of jumper JP62
to enable or disable the onboard
LAN1 (or Network Interface Card)
on your motherboard. See the
table on the right for jumper set-
tings.
Ju m p e r
P o sitio n
P in s 1 -2
P in s 2 -3
D e fin itio n
E n a b le d
D isa b le d
O n b o a rd L A N 2 (N IC )
E n a b le /D is a b le
J u m p e r S e ttin g s (J P 6 2 )
Spread Spectrum Enable/
Disable
Jumper JP3 is used to enable or dis-
able the Spread Spectrum feature.
Spread Spectrum is a technique
used to stabilize operation when a
system is being affected by electro-
magnetic interference. The normal
(default) position is open to disable
Spread Spectrum. See the table on
the right for jumper settings.
Ju m p e r
P o sitio n
O p e n
C lo se d
D e fin itio n
D isa b le d
E n a b le d
S p re a d S p e c tru m
J u m p e r S e tting s (J P 3 )