https://archivedforum.beoworld.org:443/forums/24.aspxDesperately looking for a B&O product or accessory? Post your Wanted items here - and don't forget to tell everybody your location!<p> Available as a free service to all BeoWorld Silver or Gold level Members. enCommunityServer 2008 SP2 (Build: 31104.93)https://archivedforum.beoworld.org:443/forums/thread/324473.aspxThu, 12 May 2011 06:28:58 GMT41a2a90c-3a1e-4bd3-b144-3883695a7f38:324473richtoy0https://archivedforum.beoworld.org:443/forums/thread/324473.aspxhttps://archivedforum.beoworld.org:443/forums/commentrss.aspx?SectionID=24&PostID=324473<p>As it says, I need a replacement microprocessor.&nbsp; I am reliably informed that there are two types depending on whether the processor board has a piggy-back board or not.&nbsp; The one I am looking for is without the biggy back board.&nbsp; These are the numbers on the chip:-</p> <p>Mostek</p> <p>3870/20</p> <p>MK14636N-IRL</p> <p>8340285B&amp;O</p> <p>Yours hopefully....</p> <p>Richard</p><div style="clear:both;"></div>