rietveld Posted January 2, 2023 Share Posted January 2, 2023 Hi. I just had a chance to try my new black SGM and found that it does not work on my ADAM. If I leave it in the expansion slot and turn my ADAM on all i get is a blank black screen. The same blank screen is on my expansion 3 adam when connected to my Colecovision. The SGM DOES work when used with a Colecovision but just starts up to a frozen blank screen when that same colecovision is connected to the ADAM 3 expansion with the SGM plugged into the side of it. BUT if I press the Colecovision reset the Colecovison boots my AtariMax and plays the SGM games but if I pull the Adam reset i just get a blank screen I have a 2nd beige SGM and dont have any of these same problems. The beige SGM works in every instance that the new Black one does not I have tested the new SGM in 2 stand alone adams and 2 Expansion Adams as well a standard colecovision and f18a modded colecovision Any Ideas? Quote Link to comment Share on other sites More sharing options...
rietveld Posted January 2, 2023 Author Share Posted January 2, 2023 (edited) This is what I get with the SGM connected to my expansion Adam and f18a colecovision I even pulled out the IDE controller and MIB boards Edited January 2, 2023 by rietveld Quote Link to comment Share on other sites More sharing options...
rietveld Posted January 2, 2023 Author Share Posted January 2, 2023 Here is the same Adam / colecovion combo when I press the colecovion reset Quote Link to comment Share on other sites More sharing options...
rietveld Posted January 2, 2023 Author Share Posted January 2, 2023 Now I pull the Adam reset and I get this again Quote Link to comment Share on other sites More sharing options...
rietveld Posted January 2, 2023 Author Share Posted January 2, 2023 Here is my older beige SGM. It works perfectly The Adam boots to smart writer upon powerup and goes to the ADE menu when rest is pulled. All as expected Quote Link to comment Share on other sites More sharing options...
rietveld Posted January 2, 2023 Author Share Posted January 2, 2023 Here is the new black SGM in a stand alone Adam Pretty much the same thing except that when I pull the colecovision cart switch on the stand alone Adam I also get a black blank screen Quote Link to comment Share on other sites More sharing options...
rietveld Posted January 2, 2023 Author Share Posted January 2, 2023 The standalone Adam works just as perfectly as the expansion when I use the older beige SGM Quote Link to comment Share on other sites More sharing options...
rietveld Posted January 2, 2023 Author Share Posted January 2, 2023 I also tried on two other Adams same results Quote Link to comment Share on other sites More sharing options...
rietveld Posted January 2, 2023 Author Share Posted January 2, 2023 (edited) Okay. I just tried the rest of my Adams with the black SGM. I will have to conclude that this particular SGM just does not work with the Adam computer Edited January 2, 2023 by rietveld Quote Link to comment Share on other sites More sharing options...
rietveld Posted January 2, 2023 Author Share Posted January 2, 2023 I posted all these pictures because its easier than trying to explain it in just words Quote Link to comment Share on other sites More sharing options...
rietveld Posted January 2, 2023 Author Share Posted January 2, 2023 Does anyone know how I get a replacement for this defective SGM? Quote Link to comment Share on other sites More sharing options...
+evg2000 Posted January 2, 2023 Share Posted January 2, 2023 19 minutes ago, rietveld said: Does anyone know how I get a replacement for this defective SGM? have you tried reaching out to opcode? support@opcodegames.com Quote Link to comment Share on other sites More sharing options...
rietveld Posted January 2, 2023 Author Share Posted January 2, 2023 56 minutes ago, evg2000 said: have you tried reaching out to opcode? support@opcodegames.com I did. But I have not received any instruction on what to do next. I posted a bunch of pictures here in hopes that this same problem had popped up before, but have not received any further feedback regarding them Quote Link to comment Share on other sites More sharing options...
snowpile Posted January 3, 2023 Share Posted January 3, 2023 I know this doesnt help you much but the SGM disables its ram in an Adam so it doesnt conflict with the Adams ram. The SGM ram must be turned on by the game programmer. If it works in the Colecovision and not the Adam my guess is the ram is stuck “enabled” for some reason. I think the new SGM modules are just a Xilinx cpld and an AY chip so maybe the Xilinx programming has an error? Again not much help just thinking. 1 Quote Link to comment Share on other sites More sharing options...
NIAD Posted January 3, 2023 Share Posted January 3, 2023 13 minutes ago, snowpile said: I know this doesnt help you much but the SGM disables its ram in an Adam so it doesnt conflict with the Adams ram. The SGM ram must be turned on by the game programmer. If it works in the Colecovision and not the Adam my guess is the ram is stuck “enabled” for some reason. This sounds, no pun intended, spot on. So the SGM has undergone a revision/redesign re.... "I think the new SGM modules are just a Xilinx cpld and an AY chip so maybe the Xilinx programming has an error?" Quote Link to comment Share on other sites More sharing options...
rietveld Posted January 3, 2023 Author Share Posted January 3, 2023 5 hours ago, NIAD said: This sounds, no pun intended, spot on. So the SGM has undergone a revision/redesign re.... "I think the new SGM modules are just a Xilinx cpld and an AY chip so maybe the Xilinx programming has an error?" well disappointing at best since it arrived like this and is only 1 day old Quote Link to comment Share on other sites More sharing options...
opcode Posted January 3, 2023 Share Posted January 3, 2023 You failed to mention that you have been receiving assistance since yesterday. And Grazi did provide you with instructions. So yeah, I am sorry that you are experiencing those issues, but you are making it sound like no one is assisting you. As I side note, and as I told you, all SGMs are tested before shipping, but to be honest I don't test them with an ADAM, so it was an unfortunate defect, as I don't remember anyone else having this issue before. And no, the SGM didn't go through a redesign of any kind. 1 Quote Link to comment Share on other sites More sharing options...
rietveld Posted January 3, 2023 Author Share Posted January 3, 2023 42 minutes ago, opcode said: You failed to mention that you have been receiving assistance since yesterday. And Grazi did provide you with instructions. So yeah, I am sorry that you are experiencing those issues, but you are making it sound like no one is assisting you. As I side note, and as I told you, all SGMs are tested before shipping, but to be honest I don't test them with an ADAM, so it was an unfortunate defect, as I don't remember anyone else having this issue before. And no, the SGM didn't go through a redesign of any kind. I am just waiting for the address so I can send it back Sorry if I sound irked but I have literally had the SGM for only 24hrs and have been able to use it for none of those hours. Quote Link to comment Share on other sites More sharing options...
rietveld Posted January 3, 2023 Author Share Posted January 3, 2023 20 hours ago, opcode said: You failed to mention that you have been receiving assistance since yesterday. And Grazi did provide you with instructions. So yeah, I am sorry that you are experiencing those issues, but you are making it sound like no one is assisting you. As I side note, and as I told you, all SGMs are tested before shipping, but to be honest I don't test them with an ADAM, so it was an unfortunate defect, as I don't remember anyone else having this issue before. And no, the SGM didn't go through a redesign of any kind. I just mailed back the defective SGM at my expense. I have emailed a copy of the shipping receipt as well as a copy of the tracking I hope that you can send out a replacement this week since I have just provided you with proof of a return shipment if you can expedite the mailing of the replacement SGM this week then I will be happy to consider this transaction as being concluded to my satisfaction Thanks again for standing behind your products. Your support to me is greatly appreciated Quote Link to comment Share on other sites More sharing options...
rietveld Posted January 4, 2023 Author Share Posted January 4, 2023 This thread should now be considered as closed. Opcode is replacing my SGM so I no longer need advice on how to repair this unit Hopefully the pictures and descriptions in this thread will help other diagnose any similar problems Again a big thanks to Opcode for standing behind his product and offering a replacement for this defective unit Thanks also to everyone who chimed in and tried to help me fix the problem. I would have loved to repair the SGM myself without involving OPCODE but in the end he stepped up and offered a replacement negating the need for me to spend any more time on this particular item I am 2 years new to the Adam and am constantly encouraged by the help and knowledge available on this forum Quote Link to comment Share on other sites More sharing options...
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