MegaRAC® G4 User’s Guide
14
J14 and J15 I2C Clock/Data PCI Bypass Jumper
J14 & J15 I2C Clock/Data PCI Bypass
If your hosts system’s motherboard has support for
I2C on the PCI slots, place a jumper on these two
headers. By default these headers are open.
These two headers allow your MegaRAC® G4 card to read I2C bus information. If your
hosts system’s motherboard has support for I2C on the PCI slots, place a jumper on these
two headers. By default these headers are open.
Note:
Most PCI slots have a “floating” I2C bus. A “floating” I2C bus means that there is no
physical connection between the two I2C pins on the PCI slot and the motherboard’s I2C
bus. Shorting J14 and J15 would be useless in this case.
Note:
J14 and J15 can be used in place of the MegaRAC® Feature Cable to gather I2C bus
information from the motherboard.
Note:
Only the OEM version can utilize the hardware health monitoring capabilities of
MegaRAC® G4 card. The hardware health monitoring function requires an OEM
specific cable and
Sensor Definition Kit
(SDK/SDR.DAT) file and
Soft Processor
(SP.DAT) file.
J16 and J17 Headers
J16 & J17
These jumpers
must be shorted.
Verify that these two headers are each shorted with a jumper. If J16 and J17 are not
shorted, short pins one and two on both J16 and J17.
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