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imporission
n00b
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Joined: 24 Jan 2006
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PostPosted: Fri Jan 27, 2006 10:56 am    Post subject: subarch & 1/3 install Reply with quote

well firstly my computer has an Intel Pentium M 770 2 GHz processor

and getting down to the point what I MUST know(I have done numerous google searches and can't seem to find it... frustration led me to seek advice):

My architecture would seem to be x86 but what is the subarchitecture?

now for what i'm up to where advice would be appreciated :twisted:

Well, currently I have FC4 installed on my computer, and am highly intrigued by Gentoo. I have not been on linux real long.. I'm relatively new, yes a noob, but from what I have read the only true way to have a Pentium-M optimized system is to do a stage 1/3 installation, and I am willing to attempt this 23 page install guide in order to achieve a system which actually utilizes the full potential of such an amazing laptop. But what also makes me want to do it even more is the amount of knowledge I will gain from the experience. I have heard from people doing a 2/3 installation that they finally understood linux and became addicted... heck i don't know as much as that noob, but gentoo taught it to him by doing... just through the installation, this sounds exciting to me....

well, so is this a good idea... will the rewards really be worth the time and effort? I honestly am not sure exactly what I will gain from doing this, but it seems I might as well if i need to in order to utilize the system... but first i must know the subarch of the system before attempting... its needed... Please help, I would LOVE to do this over the weekend...

Thank you,
C
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evilshenaniganz
Tux's lil' helper
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Joined: 18 Dec 2003
Posts: 107
Location: /dev/random

PostPosted: Fri Jan 27, 2006 1:30 pm    Post subject: Reply with quote

I have an Averatec Centrino notebook that has a Pentium M 1300MHz processor in it and I have done Bob P's famous Stage 3/1 Install on it many times. From a compiler standpoint, I've had no problems (even with gcc 3.4.5) using these as my CFLAGS
Code:
-march=pentium4 -O3 -pipe -fomit-frame-pointer -momit-leaf-frame-pointer -mmmx -msse -msse2 -fforce-addr -ftracer
and for my CXXFLAGS i just added
Code:
-fvisibility-inlines-hidden
The thing's running great and, thanks to Bob's guide, built like a brick shithouse! :D
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Karl-Franz
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Joined: 11 Jan 2005
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PostPosted: Fri Jan 27, 2006 1:33 pm    Post subject: Reply with quote

From http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86_002d64-Options.html:

i686
Same as generic, but when used as march option, PentiumPro instruction set will be used, so the code will run on all i686 familly chips.

pentium2
Intel Pentium2 CPU based on PentiumPro core with MMX instruction set support.

pentium3, pentium3m
Intel Pentium3 CPU based on PentiumPro core with MMX and SSE instruction set support.

pentium-m
Low power version of Intel Pentium3 CPU with MMX, SSE and SSE2 instruction set support. Used by Centrino notebooks.

pentium4, pentium4m
Intel Pentium4 CPU with MMX, SSE and SSE2 instruction set support.


You will learn alot from doing a 1/3 install, that will be the main thing. Warning though. Learning in linux often means breaking things and then repairing them.
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evilshenaniganz
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PostPosted: Fri Jan 27, 2006 1:40 pm    Post subject: Reply with quote

Oh, just to clarify, the actual chip is showing up as
Code:
P3B (Banias) Pentium M 130nm 900-1.7GHz 0.9-1.5v
when I looked at it in Windows using Sandra Pro. Hope that helps!
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evilshenaniganz
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PostPosted: Fri Jan 27, 2006 1:42 pm    Post subject: Reply with quote

In previous attempts (gcc-3.3.4 I think?), I did not have any success using
Code:
-march=pentium-m
Maybe that's been fixed in the newer revisions of gcc
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cyrillic
Watchman
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Joined: 19 Feb 2003
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PostPosted: Fri Jan 27, 2006 4:10 pm    Post subject: Reply with quote

-march=pentium-m is only valid for gcc-3.4 and higher. For gcc-3.3 you should use -march=pentium3
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nixnut
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Joined: 09 Apr 2004
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PostPosted: Fri Jan 27, 2006 5:58 pm    Post subject: Reply with quote

Moved from Installing Gentoo to Duplicate Threads.
See here https://forums.gentoo.org/viewtopic-t-180045.html
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