Datasheet

Signal Description
R
Datasheet 49
GPIO I/F Total Type Comments
MI2CDATA I/O
DVO
DVO I2C Data: This signal is used as the I2C_DATA for a digital display
(i.e. TV-Out Encoder, TMDS transmitter). This signal is tri-stated during a
hard reset.
MDVICLK I/O
DVO
DVI DDC Clock: This signal is used as the DDC clock for a digital display
connector (i.e. primary digital monitor). This signal is tri-stated during a
hard reset.
MDVIDATA I/O
DVO
DVI DDC Data: The signal is used as the DDC data for a digital display
connector (i.e. primary digital monitor). This signal is tri-stated during a
hard reset.
MDDCDATA I/O
DVO
DVI DDC Clock: The signal is used as the DDC data for a digital display
connector (i.e. secondary digital monitor). This signal is tri-stated during a
hard reset.
MDDCCLK I/O
DVO
DVI DDC Data: The signal is used as the DDC clock for a digital display
connector (i.e. secondary digital monitor). This signal is tri-stated during a
hard reset.
2.7 Power Sequencing Signal Description
GPIO I/F Total Type Comments
RSTIN# I
CMOS
Reset: Primary Reset, Connected to PCIRST# of ICH4-M.
PWROK I
CMOS
Power OK: Indicates that power to GMCH/MCH is stable.