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Integrated Graphics Display Port
Signal Group
8.3.
Digital Video Out Port
The GMCH DVO port interface supports a wide variety of third party DVO compliant devices (e.g. TV
encoder, TMDS transmitter or integrated TV encoder and TMDS transmitter The Intel 852GM has a
single dedicated Digital Video Out Port (DVOC). Intel's DVO port is a 1.5-V only interface that can
support transactions up to 165 MHz. Some of the DVO port command signals may require voltage
translation circuit depending on the third party device.
8.3.1.
DVO Interface Signal Groups
8.3.1.1.
DVOC Interface Signals
Input Signals
• DVOCFLDSTL
• DVOBCCLKINT
• DVOBCINTR#
• ADDID[7:0]
• DVODETECT
Output Data Signals
• DVOCHSYNC
• DVOCVSYNC
• DVOCBLANK#
• DVOCD[11:0]
Output Strobe Signals
• DVOCCLK (DVOCCLK[0])
• DVOCCLK# (DVOCCLK[1])
138
Package Trace Length
GMCH Signal Name
IYBP1
IYBM1
IYBP2
IYBM2
IYBP3
IYBM3
Board Length
(mils)
524.7
516.6
623.3
604.2
441.8
441.7
®
Intel
852GM Chipset Platform Design Guide
R
Total Trace Length
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