I don't believe a Pentium 90 was a socket 7 processor. This is why he cannot upgrade without changing out the motherboard. >From: Mark Rode <[log in to unmask]> >Reply-To: PCBUILD - Personal Computer Hardware discussion List ><[log in to unmask]> >To: [log in to unmask] >Subject: Re: [PCBUILD] What Processor >Date: Fri, 29 Sep 2000 12:00:48 -0700 > >The determining factor is the motherboard. Your AT power supply doesn't >play a role in your Pentium Classic or MMX socket seven upgrade. However a >socket seven Pentium MMX requires a dual voltage mother board which you >probably do not have.If you wanted to move up to a Pentium II or above then >you would need a new case with ATX power supply.. > >I am guessing that your board is single voltage and designed to support a >socket seven Pentium Classic. The highest the single voltage board > >>If I were to upgrade the processor that came with a Dell Pentium >>P-90, what is the fastest processor that I could use with the original >>motherboard and power supply? P-133MHZ-P-166MHZ? >> >>What is the determing factor, the power supply or the motherboard? _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com. Share information about yourself, create your own public profile at http://profiles.msn.com. Curious about the people moderating your messages? Visit our staff web site: http://nospin.com/pc/staff.html