PCI Express* Graphics (PEG) Signals

13th Generation Intel® Core™, Intel® Core™ 14th Generation, Intel® Core™ Processor (Series 1) and (Series 2), Intel® Xeon™ E 2400 Processor and Intel® Xeon™ 6300 Processor

Datasheet, Volume 1 of 2
Supporting 13th Generation Intel® Core™ Processor for S, H, P, HX, and U Processor Line Platforms, formerly known as Raptor Lake.
Supporting Intel® Core™ 14th Generation Processor for S, HX formerly known As Raptor Lake Refresh.
Supporting Intel® Core™ Processor (Series 1) for U Processor Line Platform, formerly known As Raptor Lake refresh
Supporting Intel® Core™ Processor (Series 2) for H Processor Line Platform, formerly known As Raptor Lake Refresh.
Supporting Intel® Xeon® E 2400 Processor and Intel® Xeon® 6300 Processor, formerly known As Raptor Lake–E Refresh

ID	Date	Version	Classification
743844	05/30/2025		Public

Signal Name	Description	Dir	Buffer Type	Link Type	Availability
PCIE_X4_TXP[[3:0]] PCIE_X4_TXN[[3:0]]	PCIe Transmit Differential Pairs	O	PCIE*	Diff	S/S Refresh/E/E Refresh /HX/HX Refresh Processor Line
PCIE_X4_RXP[[3:0]] PCIE_X4_RXN[[3:0]]	PCIe Receive Differential Pairs	I	PCIE*	Diff	S/S Refresh/E/E Refresh /HX/HX Refresh Processor Line
PCIEX4_A_TX_P[[3:0]] PCIEX4_A_TX_N[[3:0]]	PCIe Transmit Differential Pairs	O	PCIE*	Diff	H/H Refresh/PX/P Processor Line
PCIEX4_A_RX_P[[3:0]] PCIEX4_A_RX_N[[3:0]]	PCIe Transmit Differential Pairs	I	PCIE*	Diff	H/H Refresh/PX/P Processor Line
PCIEX4_A_RCOMP_P PCIEX4_A_RCOMP_N	PCIe RCOMP Differential Pairs	NA	A	Diff	H/H Refresh/PX/P Processor Line
PCIEX4_B_TXP[[3:0]] PCIEX4_B_TXN[[3:0]]	PCIe Transmit Differential Pairs	O	PCIE*	Diff	H/H Refresh/P Processor Line
PCIEX4_B_RXP[[3:0]] PCIEX4_B_RXN[[3:0]]	PCIe Transmit Differential Pairs	I	PCIE*	Diff	H/H Refresh/P Processor Line
PCIEX4_B_RCOMP_P PCIEX4_B_RCOMP_N	PCIe RCOMP Differential Pairs	NA	A	Diff	H/H Refresh/P Processor Line
PCIEX8_TX_P[[7:0]] PCIEX8_TX_N[[7:0]]	PCIe Transmit Differential Pairs	O	PCIE*	Diff	H/H Refresh/PX Processor Line
PCIEX8_RX_P[[7:0]] PCIEX8_RX_N[[7:0]]	PCIe Transmit Differential Pairs	I	PCIE*	Diff	H/H Refresh/PX Processor Line
PCIEX8_RCOMP_P PCIEX8_RCOMP_N	PCIe RCOMP Differential Pairs	NA	A	Diff	H/H Refresh/PX Processor Line
PCIE_X16_TXP[[15:0]] PCIE_X16_TXN[[15:0]]	PCIe Transmit Differential Pairs	O	PCIE*	Diff	S/S Refresh/E/E Refresh /HX/HX Refresh Processor Line
PCIE_X16_RXP[[15:0]] PCIE_X16_RXN[[15:0]]	PCIe Receive Differential Pairs	I	PCIE*	Diff	S/S Refresh/E/E Refresh /HX/HX Refresh Processor Line