Gentoo Archives: gentoo-amd64

From: Ian Hastie <ianh@××××××××××××××.net>
To: gentoo-amd64@l.g.o
Subject: Re: [gentoo-amd64] sempron make options
Date: Tue, 27 Sep 2005 15:27:12
Message-Id: 20050927162501.0566daf7@iahastie.local.net
In Reply to: Re: [gentoo-amd64] sempron make options by Daniel Gryniewicz
1 On Mon, 26 Sep 2005 10:21:54 -0400
2 Daniel Gryniewicz <dang@g.o> wrote:
3
4 > On Mon, 2005-09-26 at 09:21 -0400, Alvin Thompson wrote:
5 > > On Fri, 2005-09-23 at 20:23 -0500, William Tetrault wrote:
6 > > > Some semprons are 64-bit enabled - these can use amd64 profiles
7 > > > if you want the 64-bit capabilities. The others should stick to
8 > > > athlon-xp profiles and their related make flags.
9 > >
10 > > interesting, thanks! how do i know if mine is 64-bit enabled? it's
11 > > an eMachines M5414 (they apparently produced around 12 of them :).
12 > > this is what /proc/cpu says:
13 > >
14 > > $ cat /proc/cpuinfo
15 > > processor : 0
16 > > vendor_id : AuthenticAMD
17 > > cpu family : 15
18 > > model : 8
19 > > model name : Mobile AMD Sempron(tm) Processor 2800+
20 > > stepping : 2
21 > > cpu MHz : 798.356
22 > > cache size : 256 KB
23 > > fdiv_bug : no
24 > > hlt_bug : no
25 > > f00f_bug : no
26 > > coma_bug : no
27 > > fpu : yes
28 > > fpu_exception : yes
29 > > cpuid level : 1
30 > > wp : yes
31 > > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr
32 > > pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext
33 > > 3dnowext 3dnow
34 > > bogomips : 1585.15
35 > >
36 > > it's actually 1.6 GHz throttled down. so if it's 64-bit enabled can
37 > > i use the 64-bit version of linux? what make options should i use?
38 > >
39 > > thanks,
40 > > alvin
41 > >
42 >
43 > It looks like it's not. My cpuinfo has this:
44 >
45 > address sizes : 40 bits physical, 48 bits virtual
46 >
47
48 As far as I know that only shows in 64 bit mode. He must be running it
49 in 32 bit mode or the question wouldn't arise. Perhaps just trying to
50 boot of a 64 bit, AMD64, Gentoo install disc would show if it is
51 compatible.
52
53 --
54 Ian.
55
56 EOM
57 --
58 gentoo-amd64@g.o mailing list