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santosp

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About santosp

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  • Birthday 07/21/1973

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    Athens - Greece

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  1. @Santyago https://atariage.com/forums/topic/319881-atari-xe-remake-pre-order-thread/?do=findComment&comment=4843973
  2. @olix You must do a solder between the pins 1 and 8 of U12.
  3. An urgent update for those who want to assemble the UAV circuit on this board. ON semiconductor announce the "end of life" of NCS2563DR2G video amplifier. This crucial component for the assembly of UAV circuit will be discontinued by the manufacturer after 8 July 2022.
  4. @olix If you check once more carefully the BOM, you will find this exact capacitor. Is a Bi-Polar type.
  5. @LarryL Only a zero ohm resistor, which mark as "'NTSC only".
  6. I use for the design what I found as connection between the two connectors in this file! There it describe what is included generally in a DVI connector, and which from these signals must be connected between the two connectors. I follow exact this. 🙄
  7. @Santyago The UAV add are there to give you the better video signal. Why dont forget the old one from Atari, and remain with this? I think that the battery is to preserve data in the extended ram, but not in the base one. So isn't possible to boot your Atari with a game loaded. Please take a look here.
  8. Is really a modern eeprom? I mean, can you find a datasheet for this specific mark number, in ic shell? To me look more like an old "1988" OTP rom. But even in this case if you can write it it should work.
  9. @Krenath About the crystal. If you ever will use the upper metallic shield there, the previous place of crystal it not let the shield to fit correctly. About the connector. Yes this is the right connector, but it only makes sense if someone want to add a VBXE device there.
  10. @Krenath 1. As for the orientation of the rotary switch take a look here in picture at the bottom of post. https://atariage.com/forums/topic/319881-atari-xe-remake-pre-order-thread/?do=findComment&comment=4809969 2. Move also your main crystal in upper two holes like in this picture. https://atariage.com/forums/topic/319881-atari-xe-remake-pre-order-thread/?do=findComment&comment=4849499 3. Remove the unnecessary components from PAL clock feed area. https://atariage.com/forums/topic/319881-atari-xe-remake-pre-order-thread/?do=findComment&comment=4846113 4. The idc connector below the "video setup" isn't needed in your case. 5. 47uH inductor must placed in the UAV area.
  11. @Santyago You must follow this. If not the Atari could be work without the ic on its socket, but without the "Basic" blue screen also.
  12. I see the Atari original ic "Basic" in your pcb!? Have you modding the board as to work with this ic? If not please remove it, and check again your screen.
  13. @adam242 I see that U34 is missing. You must to add the two bridges as it look at note below. Also Basic ic U4 and the mod before that? Although it will must boot in "test mode" even without this.
  14. @adam242 Have you any 3.3k resistor available? You can use this in place of 3K.
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