Path: utzoo!news-server.csri.toronto.edu!rutgers!njin!princeton!pucc!Q4105
From: Q4105@pucc.Princeton.EDU (W.g. Price  q4105  Mathtech)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: need help reconfiguring NEAT chipset when adding memory
Message-ID: <12592@pucc.Princeton.EDU>
Date: 15 Mar 91 15:57:00 GMT
Reply-To: Q4105@pucc.Princeton.EDU
Distribution: usa
Organization: Princeton University, NJ
Lines: 10
Disclaimer: Author bears full responsibility for contents of this article

I need help upgrading a clone without (I now discover) enough documentation.
I am trying to add memory to an 'ABC' brand AT motherboard with the NEAT
chipset .. it has 2 banks of 1 meg dram and I have 2 banks of 256's to
add into sockets which are dual 256/1024.  The machine dies in POST before
spinning the floppies when I try adding the ram before changing the config.
1) Should I reprogram the NEAT extended CMOS -before- powering down to
add the new memory ?  2) Am I misreading the documentation that implies
adding 256's on top of 1024's should be allowed ?  3) What are the special
reset/POST key sequences to get into the extended setup and to bypass
the existing XCMOS registers in case I -really- mess up ?