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On Wed, 08 Oct 1997 12:07:27 -0700 (MST), billy@MIX.COM wrote: >> TP 750Ce 4+16 m 340 Hdd 28.8 (Active) with a bad sys board(I think). >> I will be replacing the sys board this month. If anyone has any ideas what >> error code 221 is. I would appreciate the help. Tried different memory, no >> memory, ect. and it will not go beyond the 221 errorcode. > >The hardware maintenance manual says 2xx codes are memory errors, or >if not that then the system board. It also says to try removing all >add-on memory, press and hold the F1 key, power up and keep holding >it until the Easy-Setup screen appears. Then select Test and run >the memory test - if this fails it says to replace the system board. > I don't know about that particular model, but on some, you can do a "loop test", where the only way to stop the test(s) are to turn off the machine. You might want to try that to test for intermittent memory errors. >I suppose this could be just bad memory on the system board - seems >like a shame to have to swap out the whole thing, but I don't know >how repairable the system board itself is... > >Billy Y.. > > If you're really good at soldering, then I suppose you might be able to replace the chips, provided you can get replacements, but I'd rather save up and get the replacement board, if the warranty is gone. Paul