Intel G870 BX80623G870 User Manual

Product codes
BX80623G870
Page of 112
Datasheet, Volume 1
65
Signal Description
6.4
PCI Express* Based Interface Signals
Notes:
1.
PE_TX[3:0] and PE_RX[3:0] are only used for platforms that support 20 PCIe lanes.
6.5
Intel
®
 Flexible Display Interface Signals
6.6
DMI
Table 6-6.
PCI Express* Graphics Interface Signals 
Signal Name
Description 
Direction/
Buffer Type
PEG_ICOMPI
PCI Express Input Current Compensation
I
A
PEG_ICOMPO
PCI Express Current Compensation
I
A
PEG_RCOMPO
PCI Express Resistance Compensation
I
A
PEG_RX[15:0]
PEG_RX#[15:0]
PE_RX[3:0]
1
PE_RX#[3:0]
1
PCI Express Receive Differential Pair
I
PCI Express
PEG_TX[15:0]
PEG_TX#[15:0]
PE_TX[3:0]
1
PE_TX#[3:0]
1
PCI Express Transmit Differential Pair
O
PCI Express
Table 6-7.
Intel
®
 Flexible Display Interface 
Signal Name
Description 
Direction/
Buffer Type
FDI0_FSYNC[0]
Intel
®
 Flexible Display Interface Frame Sync – Pipe A
I
CMOS
FDI0_LSYNC[0]
Intel
®
 Flexible Display Interface Line Sync – Pipe A
I
CMOS
FDI_TX[7:0]
FDI_TX#[7:0]
Intel
®
 Flexible Display Interface Transmit Differential Pairs
O
FDI
FDI1_FSYNC[1]
Intel
®
 Flexible Display Interface Frame Sync – Pipe B
I
CMOS
FDI1_LSYNC[1]
Intel
®
 Flexible Display Interface Line Sync – Pipe B
I
CMOS
FDI_INT
Intel
®
 Flexible Display Interface Hot Plug Interrupt
I
Asynchronous 
CMOS
Table 6-8.
DMI - Processor to PCH Serial Interface 
Signal Name
Description 
Direction/
Buffer Type
DMI_RX[3:0]
DMI_RX#[3:0]
DMI Input from PCH: Direct Media Interface receive differential pair.
I
DMI
DMI_TX[3:0]
DMI_TX#[3:0]
DMI Output to PCH: Direct Media Interface transmit differential pair.
O
DMI