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by DoG
Thu Feb 22, 2024 11:15 am
Forum: MEMBER BLOGS
Topic: LarryL’s blog - creating an ATX version of the Phoenix H5
Replies: 75
Views: 2981

Re: LarryL’s blog - creating an ATX version of the Phoenix H5

I don't know if it is practical but if you can route digital Red Green Blue + Hsync + Vsync +5v +gnd to a header (approx 16 pins) you could easily add HDMI output to the ATX back-plate (which would look like a gfx card) using a SiPeed Tang Nano 9k which are about $10 exactly - already inside :D The...
by DoG
Mon Feb 19, 2024 12:49 am
Forum: RAM UPGRADES
Topic: Issue with the STM 4MB RAM UPGRADE
Replies: 18
Views: 614

Re: Issue with the STM 4MB RAM UPGRADE

MAD9 should not be connected to RAS or anything else for that matter. Connect MAD9 from RAM board directly to MMU chip.
by DoG
Fri Feb 16, 2024 6:51 am
Forum: INTRODUCE YOURSELF
Topic: Greetings from Finland
Replies: 4
Views: 154

Re: Greetings from Finland

Good work! And welcome!
by DoG
Sat Jan 27, 2024 5:10 pm
Forum: ATARI FOR SALE & WANTED
Topic: For Sale: TestcarT
Replies: 0
Views: 282

For Sale: TestcarT

I'm selling my own plug-n-play version of the SidecarT project . It is not the official, but everything that is on the original is on my version but placement of components is different. Slightly shorter. I have 3 unit for sale. Raspberry Pico WH is included and soldered in place. No SD-card is incl...
by DoG
Wed Jan 24, 2024 7:10 pm
Forum: NOOB QUESTIONS
Topic: Atari 520 STE Harddrive (ACSI2STM project) not detected at all
Replies: 13
Views: 831

Re: Atari 520 STE Harddrive (ACSI2STM project) not detected at all

Well, if the unit is working on other Ataris, it's probably your STe. Do you have good PSU? 5V is good? Changed caps on the PSU or is it the original 30y old one? Try changing the processor for a HC type . It fixes it for some people. You could also try and add 10K pullup resistors on the 8 data lin...
by DoG
Thu Jan 18, 2024 8:19 am
Forum: HARDWARE DISCUSSIONS
Topic: Newly acquired 520 STe questions
Replies: 51
Views: 10357

Re: Newly acquired 520 STe questions

Jobbo wrote: Thu Jan 18, 2024 3:51 am ... You see I don't actually have a mouse, which is making it hard to tell if it's working or not...
Hold [ALT] and use arrow keys to move mouse pointer. Hold [ALT] and press [INSERT] or [CLR HOME] for left or right mouse button.
by DoG
Sun Jan 07, 2024 9:57 pm
Forum: HARDWARE DISCUSSIONS
Topic: Newly acquired 520 STe questions
Replies: 51
Views: 10357

Re: Newly acquired 520 STe questions

...My board looks likes someone has done something to it, there's some wires going from the sound chip and cpu to a piggy-backed little chip below the ram... It's factory bodge job. You got an early revision . Later revisions has the chip soldered on the motherboard. I can't remember what it was fo...
by DoG
Wed Dec 27, 2023 9:29 am
Forum: INTRODUCE YOURSELF
Topic: Hello
Replies: 8
Views: 1282

Re: Hello

Welcome.
by DoG
Mon Dec 25, 2023 1:14 pm
Forum: MEMBER BLOGS
Topic: Wishing all forum members a Merry Christmas and a Happy New Year
Replies: 17
Views: 3507

Re: Wishing all forum members a Merry Christmas and a Happy New Year

Merry Christmas and a Happy New Year!
by DoG
Fri Dec 22, 2023 1:57 pm
Forum: MEMBER BLOGS
Topic: Random STuff
Replies: 101
Views: 47153

Re: Random STuff

Spun my own PCB for the SidecarT cartridge project.

SidecarT v0.4 by DoG small.jpg
SidecarT v0.4 by DoG small.jpg (43.82 KiB) Viewed 244 times

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