Intel G870 CM8062307260115 User Manual
Product codes
CM8062307260115
Signal Description
58
Datasheet, Volume 1
6.4
PCI Express* Based Interface Signals
6.5
DMI—Processor to PCH Serial Interface
6.6
PLL Signals
Table 6-6.
PCI Express* Based Interface Signals
Signal Name
Description
Direction
Type
PEG_ICOMPI
PCI Express Current Compensation.
I
Analog
PEG_ICOMPO
PCI Express Current Compensation.
I
Analog
PEG_RBIAS
PCI Express Resistor Bias Control.
I
Analog
PEG_RCOMPO
PCI Express Resistance Compensation.
I
Analog
PEG_RX[15:0]
PEG_RX#[15:0]
PCI Express Receive Differential Pair.
I
PCI Express
PEG_TX[15:0]
PEG_TX#[15:0]
PCI Express Transmit Differential Pair.
O
PCI Express
Table 6-7.
DMI—Processor to PCH Serial Interface
Signal Name
Description
Direction
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
Table 6-8.
PLL Signals
Signal Name
Description
Direction
Type
BCLK[0]
BCLK#[0]
Differential bus clock input to the processor.
I
Diff Clk
BCLK[1]
BCLK#[1]
Differential bus clock input to the processor. Reserved
for possible future use.
I
Diff Clk
BCLK_ITP
BCLK_ITP#
Buffered differential bus clock pair to ITP..
O
Diff Clk
PEG_CLK
PEG_CLK#
Differential PCI Express / DMI Clock In:
These pins receive a 100-MHz Serial Reference clock.
These pins receive a 100-MHz Serial Reference clock.
This clock is used to generate the clocks necessary for
the support of PCI Express. This also is the reference
clock for Intel
®
Flexible Display Interface.
I
Diff Clk