Why you should avoid USB in Retro PCs

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United Arab Emirates Bits und Bolts
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Published on ● Video Link: https://www.youtube.com/watch?v=nq11CbljGG0


Duration: 14:00
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About a year ago, I noticed that my SpeedSys benchmarks of an AMD K6-III+ CPU looked odd. The graphs were not smooth and had erratic fluctuations during the test. As it turned out, the USB input device (mouse and keyboard) were to blame for this behavior. The bad thing is that it does affect the performance of the PC in the range of 1-3%. In today's video, I will investigate further and compare several Intel and AMD CPUs. I will also let you know if this behavior is present in Windows.

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00:00 Intro
01:01 USB trouble
01:43 USB protocol
03:36 Intel Pentium 75
04:44 Intel Pentium 200
06:01 Intel Pentium II 333
07:41 Intel Pentium III 1000
08:37 Summary Intel CPUs
09:00 AMD K6 200
10:29 AMD K6-2 400
11:17 AMD K6-III+ 550
12:27 Summary AMD CPUs
12:37 Windows performance
13:17 Future investigation



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Tags:
Cache
USB
performance loss
Interrupt
test
benchmark
slow
loss
drop