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Figure 14.
Example of Adding a Single Connector
NOTES:
1. All lengths must be matched within 100-mils of target length.
2. 66 MHz clock lines routed with 25-mils isolation from any other signal.
3. Length from CK408 to MCH must be between 3 inches and 9.5 inches.
4. Each connector is equivalent to ~ 0.60 inches of trace.
5. Z is the card trace length.
Figure 15.
Example of Adding Two Connectors and/or a Riser
NOTES:
1. All lengths must be matched within 100-mils of target length.
2. 66 MHz clock lines routed with 25-mils isolation from any other signal.
3. Length from CK408 to MCH must be between 3 inches and 9.5 inches.
4. Each connector is equivalent to ~ 0.60 inches of trace.
5. Z is the card trace length.
6. Each riser is equivalent to ~0.60 inches + Y where Y is the riser card trace length.
7. The riser must be built with the CLK66 trace length matched to the motherboard routed length.
Design Guide
®
®
Intel
Pentium
M Processor and Intel
®
E7501 Chipset Platform
Platform Clock Routing Guidelines
49
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