There are a number of these on ebay for a reasonable price. I'd think you could just by one for under $6 and not worry about it. Dwight ________________________________________ From: cctalk <cctalk-bounces at classiccmp.org> on behalf of Marco Rauhut <marco at familie-rauhut.eu> Sent: Thursday, February 25, 2016 11:07 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: Searching a sparepart 82c42pc Hello list I am trying to restore an Wandel and Golterman Spectrum Analyzer. In the Analyzer is a 486DX2 Computer. This Computer did not save some bios settings. So i think that the CMOS ram has a failure. Did some one have a 82c42pc in dil40 package as spare part? If yes, please contact me off list. Marco