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Old 02-15-2002, 12:04 AM   #1
daverino
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Registered: Feb 2002
Distribution: Red Hat 7.2
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Smile What's the difference between i386,i586,i686 rpm's


Hi just wondering what rpm's to use with linux Red hat 7.2. I've noticed i386, i586, and i686 rpm versions available on various websites. What is the difference?

Thanks
 
Old 02-15-2002, 12:21 AM   #2
Malicious
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The binary RPMs are usually compiled for a specific CPU to gain increased performance by taking advantage of new architecture and instruction sets. Every new generation of CPU has some new features besides just increased clocks.

i386 - is the old 386/486 CPUS
1586 - is original Pentium/Pentium Pro
1686 - is the Pentium II/III

As a general rule, use the one for your CPU. Older versions will run on newer CPUs but newer ones might not run on older CPUs.
 
Old 02-15-2002, 11:01 AM   #3
therion12
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Location: chicago, IL
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i586 - Pentuim/Pro and 100% AMD Compatibles like K5 or Cyrix
i686 - Started with the P II and then the P III and amd Athlon/Duron/T-bird/XP

There, thats alittle more complete.
 
  


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