Gentoo Archives: gentoo-user

From: Stratos Psomadakis <el05007@×××××××××.gr>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Detecting 64 bit Intel chips
Date: Wed, 05 Mar 2008 14:01:19
Message-Id: 47CEA7A8.1080501@mail.ntua.gr
In Reply to: [gentoo-user] Detecting 64 bit Intel chips by Alan McKinnon
1 O/H Alan McKinnon έγραψε:
2 > Hi all,
3 >
4 > Sometime in the last month someone posted (in a thread that went wildly
5 > OT) a definite way to determine if an Intel cpu is 32 or 64 bit.
6 > Unfortunately I can't find the post anymore.
7 >
8 > It involved checking the cpu-family, model and flags fields in cpuinfo.
9 >
10 > Could that same kind soul please repost the info? And if possible the
11 > same for AMD?
12 >
13 >
14 >
15 gentoo-wiki's article about safe cflags has the information you want...
16 http://gentoo-wiki.com/Safe_Cflags
17
18 for pentium4, the ones with the prescott core are 64bit...
19 at /proc/cpuinfo you should see with a prescott:
20 cpu_family:15
21 model : 3 or 4
22
23 you could also look for the pni cpuflag...
24
25 --
26 Stratos Psomadakis
27 <psomas@××××××××.gr>

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