discgolfer72 Posted January 11, 2018 Share Posted January 11, 2018 while I wait for my 800xl ive been trying to get my sio2sd working on my plain jane 400 anyone ever try this never used the sio so don't know if its my setup or the thing just does not boot on a 400 Quote Link to comment Share on other sites More sharing options...
+Nezgar Posted January 11, 2018 Share Posted January 11, 2018 (edited) Does your 400 have 48K? Not sure, but if it only has the original 8 or 16KB still, it might not work... User tf_hh here on AtariAge makes a new single board upgrade that will take a 400 or 800 to 48 or even 52K ram: http://atariage.com/forums/topic/267042-new-hardware-atari-400-ram-card-4852-kb-external-os-rom/ Edited January 11, 2018 by Nezgar 1 Quote Link to comment Share on other sites More sharing options...
discgolfer72 Posted January 11, 2018 Author Share Posted January 11, 2018 (edited) Does your 400 have 48K? Not sure, but if it only has the original 8 or 16KB still, it might not work... User tf_hh here on AtariAge makes a new single board upgrade that will take a 400 or 800 to 48 or even 52K ram: http://atariage.com/forums/topic/267042-new-hardware-atari-400-ram-card-4852-kb-external-os-rom/ don't know someone traded 2 of them in at my store (he stated they were maxed out ) the other day , so I brought one home and have the other for sale I have a 800xl on the way so don't really want to upgrade this machine since its going to the store as well once the 800xl shows up is there a command using the basic cart check ram I have the ultimate sd cart as well so its not a must to get the sio running on the 400 but really wanted to play around with the sio a bit so I'm ready to rock as soon as the 800 shows up Edited January 11, 2018 by discgolfer72 Quote Link to comment Share on other sites More sharing options...
_The Doctor__ Posted January 11, 2018 Share Posted January 11, 2018 400's and 800's need the cart port mods done to make them run all the cart solutions and such... 48 or more k to handle decent software... that's minimum IMHO Quote Link to comment Share on other sites More sharing options...
mimo Posted January 12, 2018 Share Posted January 12, 2018 don't know someone traded 2 of them in at my store (he stated they were maxed out ) the other day , so I brought one home and have the other for sale I have a 800xl on the way so don't really want to upgrade this machine since its going to the store as well once the 800xl shows up is there a command using the basic cart check ram I have the ultimate sd cart as well so its not a must to get the sio running on the 400 but really wanted to play around with the sio a bit so I'm ready to rock as soon as the 800 shows up PRINT FRE(0) will get you the RAM installed figure Quote Link to comment Share on other sites More sharing options...
NISMOPC Posted January 12, 2018 Share Posted January 12, 2018 Not that this helps you, but I am in the process of selling a 400 w/64K Mosaic RAM upgrade. (ebay) When I was testing it's functionality, I hooked up my SIO2PC and it worked just fine. Had no issues. 1 Quote Link to comment Share on other sites More sharing options...
discgolfer72 Posted January 12, 2018 Author Share Posted January 12, 2018 PRINT FRE(0) will get you the RAM installed figure thanks that info will help i check the one here at my store today and the one at my house tonight Quote Link to comment Share on other sites More sharing options...
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