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To: Paul Engel who wrote (110405)	9/20/2000 2:27:03 AM
From: Tenchusatsu	Read Replies (1) \| Respond to of 186894

Paul, <The AMD technology that requires the Processor to go into a HALT state to shift voltages?> Really? Is that a bad thing? AnandTech reviewed a mobile K6-2+ with PowerNow!, and it seemed to work pretty well: anandtech.com Tenchusatsu

To: Paul Engel who wrote (110405)	9/20/2000 2:40:13 AM
From: Joe NYC	Read Replies (1) \| Respond to of 186894

Paul, The AMD technology that requires the Processor to go into a HALT state to shift voltages? I don't know much about the subject, but my first impression is that PowerNow is the first step in the right direction. I would like to see it (or something more advances) in all processors. My understanding (correct me if I am wrong) of SpeedStep is that it has only 2 settings, ant there is sort of a hard switch between them. PowerNow has an automatic mode, which for very small performance penalty (over the top speed) saves battery power, or saves energy in general by lowering the clock speed and Voltage when the CPU is not very busy. I am not quite sure what's wrong with HALT instruction. I believe Windows NT and 2000 execute HALT instruction routinely when the CPU goes to idle to save power and lower CPU temperature. My impression is that PowerNow is technologically ahead of SpeedStep as of now. Joe