QG5000XSL9TH Datasheet, PDF (29/458 Pages) Intel Corporation – Intel 5000X Chipset Memory Controller Hub (MCH)

Signal Description
2.2
2.2.1
2.2.1.1
2.2.1.2
Fully Buffered DIMM Memory Channels
The following reference and compensation signals are common to all Fully Buffered
DIMM (FB-DIMM) channels.
Signal Name
FBDBGBIASEXT
FBDICOMPBIAS
FBDRESIN
Type
Analog
Analog
Analog
Description
FB-DIMM Bypass Bias Input for Band Gap Circuit:
FB-DIMM Transmitter Swing Bias:
FB-DIMM On-die Impedance Compensation:
FB-DIMM Branch 0
FB-DIMM branch 0 contains FB-DIMM channels 0 and 1. The following signals are
common to both FB-DIMM channels.
Signal Name
FBD01CLKN
FBD01CLKP
FBD01VCCA
FBD01VSSA
Type
Analog
Analog
Analog
Analog
Description
FB-DIMM Clock Negative: Core Clock Negative Phase
FB-DIMM Clock Positive: Core Clock Positive Phase
FB-DIMM VCC: Analog Voltage for the PLL
FB-DIMM VSS: Analog Voltage for PLL
FB-DIMM Channel 0
Signal Name
FBD0NBIN[13:0]
FBD0NBIP[13:0]
FBD0SBON[9:0]
FBD0SBOP[9:0]
Type
I
I
O
O
Description
FB-DIMM Channel 0 Northbound Input Data Negative Phase: NOTE:
FBD0NBIN[13] is not an active signal carrying signal but must be
connected to properly terminate the FB DIMM component.
FB-DIMM Channel 0 Northbound Input Data Positive Phase: NOTE:
FBD0NBIP[13] is not an active signal carrying signal but must be
connected to properly terminate the FB DIMM component.
FB-DIMM Channel 0 Southbound Output Negative Phase:
FB-DIMM Channel 0 Southbound Output Positive Phase:
FB-DIMM Channel 1
Signal Name
FBD1NBIN[13:0]
FBD1NBIP[13:0]
FBD1SBON[9:0]
FBD1SBOP[9:0]
Type
I
I
O
O
Description
FB-DIMM Channel 1 Northbound Input Data Negative Phase: NOTE:
FBD1NBIN[13] is not an active signal carrying signal but must be
connected to properly terminate the FB DIMM component.
FB-DIMM Channel 1 Northbound Input Data Positive Phase: NOTE:
FBD1NBIP[13] is not an active signal carrying signal but must be
connected to properly terminate the FB DIMM component.
FB-DIMM Channel 1 Southbound Output Negative Phase:
FB-DIMM Channel 1 Southbound Output Positive Phase:
Intel^® 5000X Chipset Memory Controller Hub (MCH) Datasheet
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