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On Oct 22, 5:29pm, Robert J. Karp wrote: > Subject: ThinkPad 760E/ED/EL/ELD Owners -- DIMM Adapter Problem > If you have a ThinkPad 760 series machine (machine type 9546 or 9547), > > AND > > you have used BOTH of the sockets of the DIMM Adapter (i.e., 48Mb or 80Mb > installed RAM), > > AND > > you have observed problems with your machine locking up for no apparent > reason, > > BE ADVISED: > > IBM has discovered a problem with the DIMM Adapter used in machine types > 9546 (TP 760E/ED) and 9547 (TP 760EL/ELD). I spoke with IBM Technical > Support and then their Engineering department. IBM is working on > modifications to the DIMM adapter that will solve the problem. NOTE: this > is NOT a BIOS problem that can be corrected via a flash update. > > As of this morning, IBM anticipated the replacement DIMM adapter could be > available by "early November". I encourage you to contact Technical > Support at 1-800-772-2227 to determine if indeed the DIMM adapter problem > is what is causing your lock-up troubles. If so, IBM will assign you a > case number so that you can get into the que for the new adapters when they > become available. > > The only work-around for the problem in the interim is: > > a) Remove one DIMM module so that only one of the two slots is used (this > is the approach recommended by IBM), or, > > b) Boot up to Windows 95 (I cannot comment on any other OS) and then > restart the computer (don't cheat on this one with the shift key ... that > won't work ... choose restart and let the machine go through POST again). > I cannot assure you this will work or explain why, I am only saying it > works reliably for me. > > Robert J. Karp > rkarp@itis.com > -or- > rkarp@mailbag.com > >-- End of excerpt from Robert J. Karp I've a 760ELD which only has one 8MB DIMM module on the memory card but the machine stills lock up. I even removed the memory card from the machine as one of the troubleshooting steps but that had no effect on the lock up problem. John Pham