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Electrical Specifications
162 Intel® Xeon® Processor E5-1600/E5-2600/E5-4600 Product Families
Datasheet Volume One
PCI Express* Port 1, 2, & 3 Signals
Differential PCI Express* Input PE1A_RX_D[N/P][3:0]
PE1B_RX_D[N/P][7:4]
PE2A_RX_D[N/P][3:0]
PE2B_RX_D[N/P][7:4]
PE2C_RX_D[N/P][11:8]
PE2D_RX_D[N/P][15:12]
PE3A_RX_D[N/P][3:0]
PE3B_RX_D[N/P][7:4]
PE3C_RX_D[N/P][11:8]
PE3D_RX_D[N/P][15:12]
Differential PCI Express* Output PE1A_TX_D[N/P][3:0]
PE1B_TX_D[N/P][7:4]
PE2A_TX_D[N/P][3:0]
PE2B_TX_D[N/P][7:4]
PE2C_TX_D[N/P][11:8]
PE2D_TX_D[N/P][15:12]
PE3A_TX_D[N/P][3:0]
PE3B_TX_D[N/P][7:4]
PE3C_TX_D[N/P][11:8]
PE3D_TX_D[N/P][15:12]
PCI Express* Miscellaneous Signals
Single ended Analog Input PE_RBIAS_SENSE
Reference Input/Output PE_RBIAS
PE_VREF_CAP
DMI2/PCI Express* Signals
Differential DMI2 Input DMI_RX_D[N/P][3:0]
DMI2 Output DMI_TX_D[N/P][3:0]
Intel® QuickPath Interconnect (QPI) Signals
Differential Intel QPI Input QPI{0/1}_DRX_D[N/P][19:00]
QPI{0/1}_CLKRX_D[N/P]
Intel QPI Output QPI{0/1}_DTX_D[N/P][19:00]
QPI{0/1}_CLKTX_D[N/P]
Single ended Analog Input QPI_RBIAS_SENSE
Analog Input/Output QPI_RBIAS
Platform Environmental Control Interface (PECI)
Single ended PECI PECI
System Reference Clock (BCLK{0/1})
Differential CMOS1.05v Input BCLK{0/1}_D[N/P]
SMBus
Single ended Open Drain CMOS Input/
Output
DDR_SCL_C{01/23}
DDR_SDA_C{01/23}
PEHPSCL
PEHPSDA
Table 7-5. Signal Groups (Sheet 2 of 3)
Differential/Single
Ended
Buffer Type Signals
1