Intel Pentium 4 Processor 478-Pin Socket (mPGA478) Design Guidelines

Intel® Pentium® 4 Processor 478-Pin Socket (mPGA478)
R
20
Multi via Pin Daisy
Chain(TypeB2)
Type
A
T
y
peB1
Figure 4-4. Location of type A, B1, B2 and PJRC daisy chains from pin side of PTV
Figure 4-3 – Four Different Jumpers Used in the Package Test Vehicle – shows the top view of the test
vehicle (Concho) that will be used for resistance measurement. There are 36 daisy chain configurations on
resistance test board. Table 4-3 shows these configurations with the number of pins per each chain and netlist.