SoundGammon Posted January 12 Share Posted January 12 4 hours ago, bent_pin said: Can you share the rom file for this, please? I can burn it myself. I'll have to check to see if my TL866II reads 2532 eproms. I burn mine with ProBurner that I use on my 800XL. Quote Link to comment https://forums.atariage.com/topic/299147-certain-games-dont-work-on-two-port-5200/page/2/#findComment-5387120 Share on other sites More sharing options...
+bent_pin Posted January 12 Share Posted January 12 1 minute ago, SoundGammon said: I'll have to check to see if my TL866II reads 2532 eproms. I burn mine with ProBurner that I use on my 800XL. I'd appreciate that, thank you. I was just going to whip up a uC based burner. I need to make some 5200 game rom chips for another user anyway. If you can't read it, I can buy one and pay to ship it. I was just trying to save a few dollars of possible. Quote Link to comment https://forums.atariage.com/topic/299147-certain-games-dont-work-on-two-port-5200/page/2/#findComment-5387126 Share on other sites More sharing options...
+-^CrossBow^- Posted January 12 Share Posted January 12 45 minutes ago, bent_pin said: I'd appreciate that, thank you. I was just going to whip up a uC based burner. I need to make some 5200 game rom chips for another user anyway. If you can't read it, I can buy one and pay to ship it. I was just trying to save a few dollars of possible. Are you just needing a 2 port BIOS chip? I'm sure I've got a spare or two from 2 ports I replaced them out with 4 port BIOS chips. I know I have at least one since I installed a 4 port into my 2 port unit in the lab. Quote Link to comment https://forums.atariage.com/topic/299147-certain-games-dont-work-on-two-port-5200/page/2/#findComment-5387181 Share on other sites More sharing options...
+bent_pin Posted January 12 Share Posted January 12 15 minutes ago, -^CrossBow^- said: Are you just needing a 2 port BIOS chip? I'm sure I've got a spare or two from 2 ports I replaced them out with 4 port BIOS chips. I know I have at least one since I installed a 4 port into my 2 port unit in the lab. I'm always collecting spare parts. So, if they are taking up space, I'll be happy to buy them off of you. However, in this case SoundGammon has a BIOS with a cooler text. I figure I'll make a 3-way selector switch for the upper address, put all 3 roms on the same, larger chip, and make a pin adaptor board. Or something like that. Quote Link to comment https://forums.atariage.com/topic/299147-certain-games-dont-work-on-two-port-5200/page/2/#findComment-5387207 Share on other sites More sharing options...
+-^CrossBow^- Posted January 12 Share Posted January 12 Just now, bent_pin said: I'm always collecting spare parts. So, if they are taking up space, I'll be happy to buy them off of you. However, in this case SoundGammon has a BIOS with a cooler text. I figure I'll make a 3-way selector switch for the upper address, put all 3 roms on the same, larger chip, and make a pin adaptor board. Or something like that. Okay.. didn't know if you were in need specifically or not. I know I have one 2 port BIOS and several 4 port ones from my donor parts boards. Quote Link to comment https://forums.atariage.com/topic/299147-certain-games-dont-work-on-two-port-5200/page/2/#findComment-5387210 Share on other sites More sharing options...
+bent_pin Posted January 12 Share Posted January 12 43 minutes ago, -^CrossBow^- said: Okay.. didn't know if you were in need specifically or not. As always, you rock! 44 minutes ago, -^CrossBow^- said: I know I have one 2 port BIOS and several 4 port ones from my donor parts boards. Let me see what I can work out with this first. Might even make something completely new, once I can see the differences between the rom files. Quote Link to comment https://forums.atariage.com/topic/299147-certain-games-dont-work-on-two-port-5200/page/2/#findComment-5387257 Share on other sites More sharing options...
BIGHMW Posted January 14 Share Posted January 14 On 12/2/2019 at 7:39 PM, 0078265317 said: Mountain King Pitfall 1 not 2 K-crazy Shoot-out Are know not to work on 2 port systems. The rest should be fine. it's weird they are not. There is a color pot adjustment wheel inside the 5200 you can try adjusting. For those of us who may not have ever worked on our own 5200 units where would that color trim pot be located at??? I know where the POKEY trim pot is but not the color one Quote Link to comment https://forums.atariage.com/topic/299147-certain-games-dont-work-on-two-port-5200/page/2/#findComment-5388702 Share on other sites More sharing options...
RB5200 Posted January 14 Share Posted January 14 14 minutes ago, BIGHMW said: For those of us who may not have ever worked on our own 5200 units where would that color trim pot be located at??? I know where the POKEY trim pot is but not the color one It is the larger trim pot wheel, just off to the right and up of the smaller pokey trim pot, next to the led power light. 1 Quote Link to comment https://forums.atariage.com/topic/299147-certain-games-dont-work-on-two-port-5200/page/2/#findComment-5388711 Share on other sites More sharing options...
+bent_pin Posted January 14 Share Posted January 14 3 minutes ago, RB5200 said: It is the larger trim pot wheel, just off to the right and up of the smaller pokey trim pot, next to the led power light. Yup, they are caddy-corner about the power indicator LED. Quote Link to comment https://forums.atariage.com/topic/299147-certain-games-dont-work-on-two-port-5200/page/2/#findComment-5388713 Share on other sites More sharing options...
0078265317 Posted January 15 Share Posted January 15 (edited) Pause the video at exactly 59 seconds. Se where he is pointing. Edited January 15 by 0078265317 Quote Link to comment https://forums.atariage.com/topic/299147-certain-games-dont-work-on-two-port-5200/page/2/#findComment-5389445 Share on other sites More sharing options...
+-^CrossBow^- Posted January 16 Share Posted January 16 9 hours ago, 0078265317 said: Pause the video at exactly 59 seconds. Se where he is pointing. Incorrect, that is the pot to adjust the Pokey for joystick adjustments. The larger one just upper right of the power LED is the color trim wheel. Quote Link to comment https://forums.atariage.com/topic/299147-certain-games-dont-work-on-two-port-5200/page/2/#findComment-5389807 Share on other sites More sharing options...
Kr0tki Posted January 16 Share Posted January 16 On 1/12/2024 at 3:56 PM, baktra said: Is there an image of the 2-port BIOS ROM somewhere? I have been looking for a while, but all I found is the BIOS ROM for the 4-port models. 1 Quote Link to comment https://forums.atariage.com/topic/299147-certain-games-dont-work-on-two-port-5200/page/2/#findComment-5390196 Share on other sites More sharing options...
Kr0tki Posted January 16 Share Posted January 16 (edited) Doublepost Edited January 16 by Kr0tki Quote Link to comment https://forums.atariage.com/topic/299147-certain-games-dont-work-on-two-port-5200/page/2/#findComment-5390197 Share on other sites More sharing options...
SoundGammon Posted January 16 Share Posted January 16 On 1/12/2024 at 1:02 PM, -^CrossBow^- said: Okay.. didn't know if you were in need specifically or not. I know I have one 2 port BIOS and several 4 port ones from my donor parts boards. I'm going to try and copy the chip, a 2532 eprom, and burn it to a 2732 eprom and that way I can upload the image! I'll work on it this week-end. Here's another pic I took one time to show how I changed the text "COPYRIGHT" to "SYSTEM X"! The name of the 5200 before Atari decided on a name. Quote Link to comment https://forums.atariage.com/topic/299147-certain-games-dont-work-on-two-port-5200/page/2/#findComment-5390223 Share on other sites More sharing options...
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