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Amiga Hardware Issues and discussion / Re: A1222+ and Radeon RX550 - works in boot menu but not AmigaOs 4.1

« Last post by OldAmigan on February 12, 2026, 11:39:04 AM »

That's correct that the built in video won't display whilst you have a card installed. I'm surprised it displayed on the inbuilt graphics at all!

Try disconnecting from the inbuilt output. You may get a smaller resolution display (1280x768) showing on your main monitor. Especially as you have done a complete reinstall

If not, remove the Radeon, then on the other monitor, go to Sys:Prefs/ScreenMode.
It will open on ScreenMode Preferences showing two tabs - Available Modes and Monitors. Click on Monitors
You should see Radeon if you have Radeon in DevsMonitors. If it isn't there, check in Storage/Monitors and drag it across.
Uncheck 'Detect settings automatically (it didn't work on my setup, so I unchecked it)
At the bottom of the grey box, click Add, then in the bo, enter the screenmodes you want - obviously at least 1920x1200x60 (or the refresh rate for your monitor but should at least work with 60 Hz)

Amiga Software News / Re: 3D Object Converter for AmigaOS 3.x / 4.x

« Last post by KZ_3D on February 12, 2026, 09:21:44 AM »

I released the v1.505 as web update.

Just use the Help/ Check for updates function to get it.

New modules since v1.504:
Chrome Engine 1 (Pet Racer) *.3DA Load

Amiga Marketplace / WTD: 23pin RGB -> PAL Composite Adapter (prefer US seller)

« Last post by jaesonk on February 11, 2026, 07:37:17 PM »

I'm looking for an adapter to output PAL composite from my A4000 23pin RGB videoport. Something like a PAL A520, or AtraX PAL modulator, Amitek Mamba, or even a pre-assembled project like Spite Sprite. Are there other options?

Due to crazy overseas shipping prices and ridiculous trump tariffs, I'd prefer a USA based seller.

Thanks,
Jaeson

New User Introductions / Re: Reviving the Amiga Legacy—on SNES

« Last post by SUPER-J11BIT on February 11, 2026, 05:46:06 PM »

SNES - Fan-Made Prequel to Turrican II
Update on my SNES Turrican Project!
http://youtube.com/post/UgkxIaYl_4bsGlI4uwzAxBXyAXxmke8MT92F?si=44T_i6n5f2hqINGx

Hey everyone! Today I’m sharing a new milestone in the development of my SNES game based on Turrican. I’ve been working on the intro screens and running tests on the weapons and projectiles that Turrican can fire.

Right now I’m focusing heavily on sprite handling, animations, and projectile behavior. This part is crucial for the gameplay feel, so I’m doing a lot of testing to make sure everything runs smoothly and reacts the way it should on real SNES hardware.

Your feedback really helps as I continue refining the game.
Thanks for the support — more updates coming soon!

A600GS & A1200NG / It's not you it's me :D

« Last post by pobolycwm on February 11, 2026, 09:27:35 AM »

Just emailed ak to transfer ownership of my A600gs asking what they could do to improve, as i was selling it so soon after buying it. It got me thinking I just bought an Amiga 1200 and if i didnt make Mr. bank manager cry by immediately uying a pistorm from Amigakit I would have kept it. Once you release the 4000ng i will be back

A600GS I still love you and later in the year when my pension drops i would have kept you. This wasnt a pre Valentines dumping honest

Amiga Hardware Issues and discussion / Re: A1222+ and Radeon RX550 - works in boot menu but not AmigaOs 4.1

« Last post by kubatyszko on February 11, 2026, 06:01:57 AM »

My monitor can do 1920x1200, so it should be fine. My a1222+ is actually hooked up to two monitors (different size but the same resolution), one over DVI to the motherboard, the other over DisplayPort to the Radeon. While the radeon is there the motherboard outputs nothing, and I only see the boot menu and kickstart loading progress.
I'll check what resolutions I have in the prefs.

Thanks

Amiga Hardware Issues and discussion / Re: A1222+ and Radeon RX550 - works in boot menu but not AmigaOs 4.1

« Last post by OldAmigan on February 10, 2026, 06:11:53 PM »

@kubatyszko

I only have Display Ports on my Radeon R550 card in my A1222 Plus and it works fine.

Is the monitor OK for the resolution you are using? Or is the correct resolution in the list?

When I first got my setup, even after a fresh installation, I had problems until I manually inserted the resolutions I wanted in Prefs:ScreenMode preferences/Monitorscli

Amiga Hardware Issues and discussion / A2000 + TF536 + A2091 + SCSI CD-ROM weirdness

« Last post by techhusky on February 10, 2026, 04:46:02 PM »

My current setup

A2000 with 2MB CHIP, 3.1 ROM, OS 3.9
TF536 with 64MB and IDEtoSD as boot drive (scsi.device)
A2091 SCSI controller with 2MB (2nd.scsi.device)
Plextor 12X SCSI CD-ROM, termination enabled, configured as ID 5

Essentially, I'd like to use the A2091 for the CD-ROM drive. I don't really care about speed, I just need it to work from time-to-time. Initially after installing the A2091, SetPatch was dying with a Software Error/GURU. I found that disabling the 2MB onboard the A2091 (via jumper) fixed that issue. I read about all sorts of issues with the TF536 and Zorro II fast ram, so I wasn't surprised. I have enough fast on the TF536, so that is fine. CD-ROM transfers are very slow, but they work.

The weirdness:

I'm now at the point where my system will only boot (in a reasonable amount of time) if there is a CD-ROM in the drive on boot. Without a CD, the system sits for minutes and will eventually boot. However, after that, when I load a CD in the drive and attempt to mount the CD0, the device will load, but it will not show up as a volume. I'm assuming there is some ready signal from the CD-ROM that the A2091 requires.

I tried variations of the auto-boot enable/disable jumper on the A2091. If auto-boot is disabled the system boots quickly, but when I mount the CD0 device, the device loads, but it will not actually mount the volume.

In short, if I leave a CD in the drive, have auto-boot enabled on the A2091, I can mount CD0 and the volume/media is accessible. No CD in the drive on boot, no volume/media is accessible after inserting a CD and loading CD0. With auto-boot disabled on the A2091, I can't mount the volume after boot.

It seems like I need to be able to re-initialize/re-scan the A2091 after the system is up? Boot-up time is longer when there is a CD in the drive, so I'm really hoping to eliminate that requirement. Note: I always manually mount the CD0 device so I don't use up buffers and stare at the unused volume on the desktop for 99% of the time I don't need it.

Any ideas? I appreciate the help.

-Jeremy

Amiga Hardware Issues and discussion / Re: Advice needed on Flicker Fixed for Amiga 2000?

« Last post by techhusky on February 10, 2026, 03:58:43 PM »

I have two A2Ks. One with an A2320 and another with a RGB2HDMI setup I picked up on eBay. The A2320 is definitely the preferred solution, but they are very difficult to find these days. The RGB2HDMI also works well, but it was a little finicky to configure. Unfortunately, default settings didn't work for me. Also, about 1 time in 30, it doesn't come up clean on boot and I have to hard power cycle the machine. I think I could add a hard reset switch for the RasPi, but it isn't worth the hassle. For roughly $100 US you can get a full setup with back plate, RasPi, SD card, internal cable, and switches.

Amiga/MorphOS/AROS Programmers Forum / Re: PTDS (formerly PED81C) - pseudo-native, no C2P chunky screens for AGA

« Last post by saimo on February 10, 2026, 12:35:15 PM »

I have just released yet another demo (months ago I had shown a video, but I had not released the program itself):

https://www.youtube.com/watch?v=t7G2gKNQyII

The terrain is rendered by means of perspective-correct, wrap-around texture mapping. The city is rendered by means of solid bitmap zooming. The UFO is rendered by means of zero-keyed bitmap zooming. The screen uses PTDS, is 319x200 dots and employs the RGBWa color model.
On a stock Amiga 1200, the speed varies between 19 and 23 fps. On an Amiga 1200 equipped with a Blizzard 1230 IV mounting a 50 MHz 68030 and 60 ns FAST RAM, the speed varies between 67 and 80 fps. The fps fluctuations depend on the fact that the size of the UFO goes from very small (thus requiring only a few RAM accesses) to very large (requiring a lot of RAM accesses).

Download: https://retream.itch.io/ptds

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