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Posts posted by rockdoc2010
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On 1/10/2018 at 7:33 PM, DrVenkman said:Exciting times ... I used the JOY2PIC-Stik I got from Firedawg to program the three PIC chips for my build tonight. Thanks to both him and Michael for the incredibly easy-to-use hardware tool and the collection of .ATRs to do the job.
Then once I did that, I decided to go ahead and install them and the rest of the ICs. Of course I'm still waiting on the UAV, the aforementioned video jack that Michael and Mac were discussing earlier, and some more header pins (plus the XEL-CF interface I'll be building), but it's incredibly gratifying to see it all start to really come together.
This is a lovely photo; stereo POKEY in da' house!
DrV those resistors look like a machine bent the leads.. Did you use one of those pin bender guide thingys?
Douglas
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On 1/10/2018 at 7:33 PM, DrVenkman said:Exciting times ... I used the JOY2PIC-Stik I got from Firedawg to program the three PIC chips for my build tonight. Thanks to both him and Michael for the incredibly easy-to-use hardware tool and the collection of .ATRs to do the job.
Then once I did that, I decided to go ahead and install them and the rest of the ICs. Of course I'm still waiting on the UAV, the aforementioned video jack that Michael and Mac were discussing earlier, and some more header pins (plus the XEL-CF interface I'll be building), but it's incredibly gratifying to see it all start to really come together.
This is a lovely photo; stereo POKEY in da' house!
DrV those resistors look like a machine bent the leads.. Did you use one of those pin bender guide thingys?
Douglas
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On 12/30/2017 at 11:16 AM, mytek said:Good question DrVenkman.
Whether its a RevC or a RevD the UAV needs to be configured for use in an XE in order to work properly with the XEL.
Here's are all of the jumper settings for a RevD UAV
Here are the specific XE jumper settings for a RevC UAV
- Michael
Would this be the same for an 1088XLD?
Douglas
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On 12/26/2017 at 4:03 PM, mytek said:On those stacked video connectors, observe that two of the anchor points that will be soldered have a plastic post on one half (don't know why they made them this way
). So be sure to only apply heat to the metal side when soldering, otherwise you'll have a stinky mess.
Too Late!!
I thought it was foam from the anti-static and it was a mess.
Douglas
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I just fired up my 1088XLD and I get a eight note musical rif but my screen is blank. Color filled, one color adjustable by the pot, but nothing is loading from U1MB. I hear a slight sound when I hit F12 or F11 but I am getting no action on the screen. Its a great looking single color screen btw.
I used Sdrive max on my XEL in order to do all of it's updates; U1MB firmware, XEL-CF3, and SdosX but I am stuck on the 1088XLD.
I have changed out Sally Antic Pia And GTIA and the SRAM
MIDI works and color renditioning of the background works but I get no boot up. No beeps other than the midi intro tune
Any suggestions
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Nope I was wrong.
I looked closer and saw that I had an older version of the U1MB software installed in the XEL.
Swapped again and found the correct version in that board. Woo Hoo!
No bad U1MB.
Sooooo there is an issue that tells the U1MB to boot up the OS that is inherent to my 1088XLD motherboard.
Rockdoc2010
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Well I verified that it most likely the U1MB.
When I took out my U1MB from the 1088XLD and plugged into my 1088XEL I got the same full screen issue.
I thought I was putting back the original into the XEL and thought I killed my XEL.
I put the other U1MB back into my XEL and my system boot to spartados 4.49 WOO HOO it aint dead!
So now I just need to pull the plcc from the bad U1MB and send it off to get reprogrammed.
Assuming I can find a suitable vendor.
Thank you for your time!
Rockdoc2010
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Yes I did and no joy with the chips I changed. I will try the GTIA now.
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No it has not yet worked. I replaced the sally, antic pia and reseated the u1mb and the Sram . I am reassembling now.
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I just fired up my 1088XLD and I get a eight note musical rif but my screen is blank. Color filled, one color adjustable by the pot, but nothing is loading from U1MB. I hear a slight sound when I hit F12 or F11 but I am getting no action on the screen. Its a great looking single color screen btw.
I used Sdrive max on my XEL in order to do all of it's updates; U1MB firmware, XEL-CF3, and SdosX but I am stuck on the 1088XLD.
Any suggestions?
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I would be interested in the Atari 810 printer.
Douglas
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wondering what tape length you working with?
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Where to find the acrylic case... anyone..
Douglas
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I had a power supply go south on me and I got the boot error for known good drives. Check tour voltage on the power supply.
Douglas
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22 hours ago, rockdoc2010 said:well this kinda sucks.
Powered up my XEL for the first time and I got nothing.
I do have 5vdc in all the right spots, but i have no video at all.
Using composite at the moment but no joy. I swapped out my U1MB and my Sally and my rom and my GTIA and still nothing.
placed a jumper at OSC but nothing.
Douglas
no worries.. nothing to see here.. move along... The VIDEO in is a much better place than the TV in.. The name is Dumass.
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On 12/5/2017 at 5:23 PM, Firedawg said:This thread has been created for the brave who are embarking on this 1088XEL project alone. This is a place to share your updates, questions, and issues during the course of your journey. Some have already started as others will begin later. Please share what you have done, and anything else that can be of value to everyone completing this board.
I have my boards from McRorie, my BOM components from Digi-Key (1 item on Back-Order), UAV Rev D from Bryan, Sophia Board (requires updating, U1MB board (Candle version), which requires an update from v1 to v2. I will be also completing several XEL-CF-][ and JOY2PIC-STIK as well. I will provide updates on those builds too.
I will be using a Xytronic 137ESD Solder Station. For the solder I'm using .015 diameter low residue flux core solder with 2.2% flux. It is great to solder with especial with small boards and tight areas where a flux mess is not appreciated.
Below, I have soldered the 24 CAP 0.1UF (digi-key 399-9870-1-ND). More to come.....
Special Thanks to Michael St. Pierre (mytekcontrols) for which none of this would have been possible!!!
part number 399-9870-1-nd is not the same as in the BOM pn 399-4329-nd just wondering????
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well this kinda sucks.
Powered up my XEL for the first time and I got nothing.
I do have 5vdc in all the right spots, but i have no video at all.
Using composite at the moment but no joy. I swapped out my U1MB and my Sally and my rom and my GTIA and still nothing.
placed a jumper at OSC but nothing.
Douglas
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well i have an APE and it works 90%
I can use it to load images to the computer
I can also use to load disk to the computer
I cannot use it to to cut ATR .
I cannot usu it to check drive status
I am told that i have no com port connection.
I have tried all comm ports
help
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okay so now i can install, but
i missed the plug intsallaion
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I am interested in one. PM me the info.
Thanks
Douglas
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As it turns out when i opened up my happy drive J6 was in fact off of its plug my one pin. I am unaware as to what J6 does due to a loss of all my tech data. The plug was towards the front of the drive by one pin.
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That's great thanks.. The square pad is the deal. The socket was inserted 180 out.
SRAM on the way
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Thank you very much
I am currently clearing the holes of solder for a socket for the one 8k chip which will be replaced.
Kinda wondering why the power up sequence don't work if you have a bad ram chip? Wouldda thought a controller chip..

1088XEL Atari ITX Motherboard DIY Builders Thread
in Atari 8-Bit Computers
Posted
how did you get a Serda Midi in the XEL?