Intel E5-2600, CM8062101038606, E5-4600, E5-1600 manual Signal Groups Sheet 2

			Electrical Specifications
Table 7-5. Signal Groups (Sheet 2 of 3)
	Differential/Single	Buffer Type	Signals1
	Ended
	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/	DDR_SCL_C{01/23}
		Output	DDR_SDA_C{01/23}
			PEHPSCL
			PEHPSDA

162	Intel® Xeon® Processor E5-1600/E5-2600/E5-4600 Product Families
	Datasheet Volume One