On Aug 27, 2024, Richard Owlett wrote: > I'm looking for for where *Debian* documents which processors support > current Debian release. > > I have three machines whose processors are 64 bit capable. > Processors identified by running lscpu: > > Machine 1: > Architecture: i686 > Model name: Intel(R) Core(TM) i5 CPU M 540 @ 2.53GHz > > Machine 2: > Architecture: x86_64 > Model name: Intel(R) Core(TM)2 Duo CPU T7300 @ 2.00GHz > > Machine 3: > Architecture: i686 > Model name: Pentium(R) Dual-Core CPU E5300 @ 2.60GHz > > Will the OS linked to by https://www.debian.org/ run on all three? > [For historical reasons I currently run 32 bit on all.]
As I recall "i686" is a 32-bit "architecture" (i.e. the "80686" aka the
P4 -- something something trademarks, etc. after the '486). That being
said, the i5-m540 is certainly 64-bit hardware according to Intel's spec
sheets. Likewise the Pentium-E5300 ([1] and [2], respectively). Not
really sure why lscpu would tell you they're 32-bit then, outside of
"error" caused by running a 32-bit OS.
As long as they show the 'lm' flag in lscpu, you'll quite likely be
fine. There aren't really any artificial restrictions or requirements,
such as the TPM module (or whichever generation of the SSE instruction
set). For comparison, I have buster or bullseye running on some ancient
AMD PhenomII (exact processor forgotten at the moment, I want to say '09
vintage).
Your biggest concern would likely be how much RAM the systems in
question have
* Anything less than 2GB probably isn't worth it
* >2G <=4G will "work", though I'd hazard it will always feel
sluggish
* >4G will likely work fine under "light" loads (i.e. you'll
probably kill it with more than a handful of browser tabs open)
For reference, that old PhenomII box I mentioned has 6G of RAM, and its
main problem is "heat" moreso than lack of RAM -- as I recall, the darn
thing likes to idle at 55C or so (I really "should" replace the thermal
compound, but also why bother, it's just for plugging an arduino into
and playing about on the workbench so WHEN I screw up, I don't ruin my
nice machine :)).
[1]
https://ark.intel.com/content/www/us/en/ark/products/43544/intel-core-i5-540m-processor-3m-cache-2-53-ghz.html
[2]
https://ark.intel.com/content/www/us/en/ark/products/35300/intel-pentium-processor-e5300-2m-cache-2-60-ghz-800-mhz-fsb.html
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