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  • Subject: how is system geared down?
  • From: "Steve Richter" <srichter@xxxxxxxxxxxxx>
  • Date: Tue, 8 May 2001 19:08:16 -0400

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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