From: devol95@hotmail.com   
      
   On 18/3/23 18:52, Louis Ohland wrote:   
   > Had a few questions on 95 PSU load. At first, I thought just monitoring   
   > the AC amps in would give us wattage. Not quite so.   
   >   
   > There are two "levels" of power, one being the triple device power   
   > sockets. +5v and +12v. SIMMple to deduce, read drive datasheet, done.   
   > Just leave all taps disconnected, SIMMplify reading planar power draw. I   
   > ass-u-me the three taps are overload protected separately from the main   
   > overload. Dunno. But it makes sense that a device could be pulling more   
   > power than it should, yet not enough to pop the breaker for overall   
   > current.   
   >   
   > The second "level" is the 21 pin planar power plug. We got +5v, +12v,   
   > and -5v.   
   >   
   > It seems possumble that we measure the wattage into an unconnected PSU,   
   > using either a paperclip on the 8595 PSU, or the test button on the 95A   
   > PSU. We get a "no-load" wattage, just for the PSU.   
   >   
   > Now we can plug it into the planar, and test with one set of SIMMs, then   
   > two, then three, then four. -MAYBE- the SIMM power draw is not lost in   
   > the overall efficiency of the PSU.   
   >   
   > The best weg would be to measure all +5v at once with a clamp. The   
   > planar pretty much exclusively uses +5v, so we aren't missing much by   
   > letting -5v go unmeasured.   
   Louis,   
      
   Computing power consumption is dynamic, you need to stress it to get an   
   average overall consumption, isolating the active at the main with a   
   clip on amp meter still the best way to do it.   
      
   Shifting bits around do cost power.   
      
   --   
   Moussa   
      
   "People alike with a similar circumstances, tend to find each   
   others across space and time, given enough time in life, no   
   matter distance, language, race, colour and believes" (c) MEK   
   *** Do Not Copy, Duplicate or Use without my Permission ***   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)