User`s manual

Chapter 5: Advanced Serverboard Setup
5-23
I
2
C to PCI-E
Jumper Setting
Jumper Setting Defi nition
Pins 1-2 Enabled
Pins 2-3 Disabled (Default)
ME Mode Select
Jumper Settings
Jumper Setting Defi nition
1-2 Normal (Default)
2-3 Manufacture Mode
I
2
C Bus to PCI-E Slots
Use Jumpers JI
2
C1 and JI
2
C2 to
connect the System Management Bus
(I
2
C) to PCI-Express slots to improve
PCI performance. These two jumpers
are to be set at the same time. The
default setting is on pins 2-3 to disable
the connection for normal operations.
See the table on the right for jumper
settings.
Manufacturer Mode Select
Close pin 2 and pin 3 of Jumper
JPME2 to bypass SPI fl ash security
and force the system to operate in the
Manufacturer mode, which will allow
the user to fl ash the system fi rmware
from a host server for system setting
modifi cations. See the table on the
right for jumper settings.