Dell CEO Says Considering AMD Chips for Servers  NEW YORK (Reuters) - Dell Inc. &lt;A HREF="http://www.reuters.co.uk/financeQuoteLookup.jhtml?ticker=DELL.O qtype=sym infotype=info qcat=news"&gt;DELL.O&lt;/A&gt;, the No. 1 personal  computer maker and the best customer of leading computer chip  maker Intel &lt;A HREF="http://www.reuters.co.uk/financeQuoteLookup.jhtml?ticker=INTC.O qtype=sym infotype=info qcat=news"&gt;INTC.O&lt;/A&gt;, is mulling using rival chips from AMD  &lt;A HREF="http://www.reuters.co.uk/financeQuoteLookup.jhtml?ticker=AMD.N qtype=sym infotype=info qcat=news"&gt;AMD.N&lt;/A&gt;, its chief executive said on Thursday.