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PCI Express*-Based Interface Signals
Table 34. PCI Express* Graphics Interface Signals
Signal Name Description Direction / Buffer Type
PEG_RCOMP
PCI Express Resistance Compensation I
A
PEG_RXP[15:0]
PEG_RXN[15:0]
PCI Express Receive Differential Pair I
PCI Express
PEG_TXP[15:0]
PEG_TXN[15:0]
PCI Express Transmit Differential Pair O
PCI Express
Display Interface Signals
Table 35. Display Interface Signals
Signal Name Description Direction / Buffer
Type
FDI_TXP[1:0]
FDI_TXN[1:0]
Intel Flexible Display Interface Transmit Differential Pair O
FDI
DDIB_TXP[3:0]
DDIB_TXN[3:0]
Digital Display Interface Transmit Differential Pair O
FDI
DDIC_TXP[3:0]
DDIC_TXN[3:0]
Digital Display Interface Transmit Differential Pair O
FDI
DDID_TXP[3:0]
DDID_TXN[3:0]
Digital Display Interface Transmit Differential Pair O
FDI
FDI_CSYNC
Intel Flexible Display Interface Sync I
CMOS
DISP_INT
Intel Flexible Display Interface Hot-Plug Interrupt I
Asynchronous
CMOS
Direct Media Interface (DMI)
Table 36. Direct Media Interface (DMI) – Processor to PCH Serial Interface
Signal Name Description Direction / Buffer
Type
DMI_RXP[3:0]
DMI_RXN[3:0]
DMI Input from PCH: Direct Media Interface receive
differential pair.
I
DMI
DMI_TXP[3:0]
DMI_TXN[3:0]
DMI Output to PCH: Direct Media Interface transmit
differential pair.
O
DMI
6.4
6.5
6.6
Processor—Signal Description
Desktop 4th Generation Intel
®
Core
™
Processor Family, Desktop Intel
®
Pentium
®
Processor Family, and Desktop Intel
®
Celeron
®
Processor Family
Datasheet – Volume 1 of 2 December 2013
86 Order No.: 328897-004