cat /proc/cpuinfo | grep flags<br><br>look for "lm" which means "long mode" if you have the "lm" flag, your machine is 64bit.<br><br>HTH's.<br><br>Crouse<br><br><br><br><br><div><span class="gmail_quote">
On 1/11/08, <b class="gmail_sendername">Nathan C. Smith</b> <<a href="mailto:nathan.smith@ipmvs.com">nathan.smith@ipmvs.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">This same site says"<a href="http://www.intel.com/products/server/processors/index.htm" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
<font face="Times New Roman" size="3">All Intel(r) Xeon(r) processors feature:<br>Intel(r)
Virtualization Technology±<br>Intel(r) Extended Memory 64 TechnologyÖ<br>Execute
Disable Bit°</font></a>"</font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2"></font></span> </div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">Weren't there processors labeled Xeon before 64
bit?</font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2"></font></span> </div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">Thanks.</font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2"></font></span> </div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">-Nate</font></span></div><br>
<blockquote style="border-left: 2px solid rgb(0, 0, 255); padding-left: 5px; margin-left: 5px; margin-right: 0px;">
<div dir="ltr" align="left" lang="en-us">
<hr>
<font face="Tahoma" size="2"><b>From:</b> Matthew Nuzum
[mailto:<a href="mailto:newz@bearfruit.org" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">newz@bearfruit.org</a>] <br><b>Sent:</b> Friday, January 11, 2008 4:36
PM<br><b>To:</b> Central Iowa Linux Users Group<br><b>Subject:</b> Re:
[Cialug] OT: Which Intel processor is 64 bit?<br></font><br></div><div><span class="e" id="q_1176b01551b31c91_1">
<div></div>On 1/11/08, <b class="gmail_sendername">Nathan C. Smith</b> <<a href="mailto:nathan.smith@ipmvs.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">nathan.smith@ipmvs.com</a>> wrote:
<div><span class="gmail_quote"></span>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><br>Is
there an easy way to know which Intel processors support 64 bit linux?<br>Is
the 64 bit Intel kernel the same as for the AMD processors that
support<br>64 bit?</blockquote>
<div><br>Core 2 is 64bit. the Intel Core Duo is not. <br><br>I don't know how
to tell based on /proc/cpuinfo though.<br><br>The Core 2 is compatible with
AMD64 (which I find to be a bit of irony considering all these years AMD was
compatible with Intel). Therefore the same kernel is used for both Intel and
AMD 64bit CPUs. <br clear="all"></div></div><br>-- <br>Matthew Nuzum<br>newz2000
on freenode </span></div></blockquote></div>
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