how is system geared down? -- MIDRANGE-L

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Based on the numbers cited in prev msgs:

"the model 170-2160 has a 100 Mhz Apache processor and a CPW rating of 114, while the model 170-2290 has a 200 Mhz Northstar processor and a CPW rating of only 73"

it is obvious that the system is being geared down to meet the cpw targets.

Does anyone know how, where?

Is it slow memory, a slow bus or just a deliberately slowed clock?

Are the memory chips used in a power pc rs6000 usable in a power pc as400?

What about swapping memory chips between similar model as400s that have different cpw ratings? Any volunteers to do that?

Would the performance results of a power pc assembler pgm, patched in using sst, that uses register only operations ( no memory access ) to count to a trillion show the actual clock speed of the cpu?

Steve Richter

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