Chapter 3 – DFI KB968 User Manual
Page 20
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Chapter 3 Hardware Installation
20
Chapter 3
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
KB968
Carrier Board
Description
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DDI Signals Descriptions
I/O PCIE
AC coupled on Module
NA
NA
DP AUX- function if DDI2_DDC_AUX_SEL is no connect
(Optional with LVDS, Default setting as NC)
I/O OD CMOS 3.3V / 3.3V
NA
NA
HDMI/DVI I2C CTRLDATA if DDI2_DDC_AUX_SEL is pulled high
(Optional with LVDS, Default setting as NC)
DDI2_HPD
D44
I CMOS
3.3V / 3.3V
NA
NA
DDI Hot-Plug Detect
(Optional with LVDS, Default setting as NC)
DDI2_DDC_AUX_SEL
C34
I CMOS
3.3V / 3.3V
NA
NA
Selects the function of DDI2_CTRLCLK_AUX+ and DDI2_CTRLDATA_AUX-.
DDI[n]_DDC_AUX_SEL shall be pulled to 3.3V on the Carrier with a 100K Ohm
resistor to configure the DDI[n]_AUX pair as the DDC channel.
Carrier DDI[n]_DDC_AUX_SEL should be connected to pin 13 of the DisplayPort
(Default setting as NC)
DDI3_PAIR0+
C39
NA
NA
DDI3_PAIR0-
C40
NA
NA
DDI3_PAIR1+
C42
NA
NA
DDI3_PAIR1-
C43
NA
NA
DDI3_PAIR2+
C46
NA
NA
DDI3_PAIR2-
C47
NA
NA
DDI3_PAIR3+
C49
NA
NA
DDI3_PAIR3-
C50
NA
NA
I/O PCIE
AC coupled on Module
NA
NA
DP AUX+ function if DDI3_DDC_AUX_SEL is no connect
I/O OD CMOS 3.3V / 3.3V
NA
NA
HDMI/DVI I2C CTRLCLK if DDI3_DDC_AUX_SEL is pulled high
I/O PCIE
AC coupled on Module
NA
NA
DP AUX- function if DDI3_DDC_AUX_SEL is no connect
I/O OD CMOS 3.3V / 3.3V
NA
NA
HDMI/DVI I2C CTRLDATA if DDI3_DDC_AUX_SEL is pulled high
DDI3_HPD
C44
I CMOS
3.3V / 3.3V
NA
NA
DDI Hot-Plug Detect
DDI3_DDC_AUX_SEL
C38
I CMOS
3.3V / 3.3V
NA
NA
Selects the function of DDI3_CTRLCLK_AUX+ and DDI3_CTRLDATA_AUX-.
DDI[n]_DDC_AUX_SEL shall be pulled to 3.3V on the Carrier with a 100K Ohm
resistor to configure the DDI[n]_AUX pair as the DDC channel.
Carrier DDI[n]_DDC_AUX_SEL should be connected to pin 13 of the DisplayPort
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AC coupled off Module
C33
DDI3_CTRLCLK_AUX-
C37
O PCIE
AC coupled off Module
O PCIE
AC coupled off Module
DDI 3 Pair 3 differential pairs
DDI3_CTRLCLK_AUX+
C36
O PCIE
AC coupled off Module
DDI2_CTRLCLK_AUX-
DDI 3 Pair 2 differential pairs
O PCIE
DDI 3 Pair 1 differential pairs
DDI 3 Pair 0 differential pairs