Intel 4 3.40 GHz B80532PG0962M User Manual

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Refer to the ITP 700 Debug Port Design Guide and the appropriate platform design guidelines for 

more detailed information regarding debug tools specifications (such as integration details).

Intel is working with two logic analyzer vendors to provide logic analyzer interfaces (LAIs) for use 
in debugging Pentium 4 processors on 0.13 micron process systems. Tektronix and Agilent should 
be contacted to get specific information about their logic analyzer interfaces. The following 

information is general in nature. Specific information must be obtained from the logic analyzer 
vendor. 

Due to the complexity of the Pentium 4 processor on 0.13 micron process systems, the LAI is 
critical in providing the ability to probe and capture system bus signals. There are two sets of 

considerations to keep in mind when designing a Pentium 4 processor on 0.13 micron process 
system that can make use of an LAI: mechanical and electrical.

The LAI is installed between the processor socket and the processor. The LAI pins plug into the 

socket, while the processor pins plug into a socket on the LAI. Cabling that is part of the LAI 
egresses the system to allow an electrical connection between the processor and a logic analyzer. 
The maximum volume occupied by the LAI, known as the keepout volume, as well as the cable 

egress restrictions, should be obtained from the logic analyzer vendor. System designers must 
make sure that the keepout volume remains unobstructed inside the system. Note that it is possible 
that the keepout volume reserved for the LAI may differ from the space normally occupied by the 

Pentium 4 processor on 0.13 micron process heatsink. If this is the case, the logic analyzer vendor 
will provide a cooling solution as part of the LAI.

The LAI will also affect the electrical performance of the system bus; therefore, it is critical to 
obtain electrical load models from each of the logic analyzer vendors to be able to run system level 
simulations to prove that their tool will work in the system. Contact the logic analyzer vendor for 

electrical specifications and load models for the LAI solution they provide.