crwdns2933423:0crwdne2933423:0
crwdns2918538:0crwdne2918538:0

crwdns2934241:0crwdne2934241:0 BWest

crwdns2934249:0crwdne2934249:0:

Is it an officially licensed Nintendo expansion pak?  Way back when there were third party expansion paks that had a knack for heating issues and freezing problems.  If it is Nintendo branded, then the RAM may be going bad.  Switch it out for the original jumper RAM and see if the problem persists.

crwdns2915684:0crwdne2915684:0:

open