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RE: Current measurements on powersupply P4 pin

Hi dave,

Since we have the same mobo and processor it’s interesting to compare these measurements.
On my system when booting the current on the P4 pin in my setup is between 0,32 and 0,37 amp with one short peak at 0,40 amp. When the boot process has ended and windows is at rest than the current on P4 is 0,20 amps. (With Bios at: CPU ratio: 7 Busspeed: 160 CPU voltage: 1,0000 Volt)

You’re reading are; 1,5 amp at power up, then go down too 0,6 amps and while playing music you’re reading are about 0,4 – 0,5 amps on your system.

May be I’m not doing my measurements properly, but your readings are twice as high as my readings. I think that’s surprising.

So are there any other inmates who did some current measurements?

Best
Mark

Data:
Foobar2000 in optimized XP setup:
SRC 96000 0,35 - 0,36 amp
SoX 96000 0,26 - 0,27 amp
PPHS 96000 0,25 - 0,26 amp
--- 44100 0,24 - 0,25 amp
cPlay in optimized XP setup (note: not in cMP enviroment)
SCR 96000 0,29 - 0,32 amp
--- 44100 0,24 amp

When CPU voltage is lowered to 0,90000 volt than all readings are 0,04 amps less

LynxL22 dig i/o -> Lavry Black DA10 -> Mogami Gold -> Klein & Hummel O300

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