@Deniil

We need to harness the hardware power that we have under AmigaOS 4.x .
Gallium and Multicore being the start.
Run Linux to see the power of your hardware that is currently not used by AmigaOS 4.1 .

@Rob

The Radeon HD7750 cards did not work with the Sam440ep-flex .
My experience is reflected in the compatatbility list.
Same card works in a Sam460ex .
Sam440eps may need a Uboot update.

VisionTek Radeon HD 7750 1GB GDDR5 (900549)
Cape Verde 1.0 Working
NOTE: Failed when tested on a Sam440ep. However, works fine with a Sam460ex.

@utri007

My Sam440ep-flex died in September last year .
I was using a Radeon HD6670 with it up to then.
Depending on the Game. (no warp3D)
There was an increase when games used composting like Mace.
Also the Hollywood graphics engine
http://www.amigaworld.net/modules/new ... =36878&forum=32&28#689692

@utri007

Ah.

The Radeon HD drivers already work on the Sam 440ep-Flex.
Tested with grahics cards in the HD5000 and HD6000 series.

http://amigaworld.net/modules/newbb/v ... p?topic_id=36053&forum=14

http://amigaworld.net/modules/newbb/v ... wmode=flat&order=0#759758

If you have a working Radeon 9250 then first do your AmiagOS FE installation.
Then Install the Radeon HD driver.
Then install the Radeon HD card.

Another method involves a working OS 4.1 machine,(winuae + OS 4.1FE classic may also work) to create a custom AmigaOS 4.1 FE iso with the radeon HD driver .

Third method using Aros/MorphOS and the AmigaOS 4.1 FE CD to create a custom OS 4.1 FE thumb drive or SDCard install with the RadeonHD driver .
You need a SDcard reader that Uboot will recognize and boot from or a thumb drive that Uboot will boot from. Both sized under 2GB . You also need a special boot image to write to the SDcard or thumb drive first to make it bootable under AmigaOS 4.1 . The Radeon HD will show uboot so the required Uboot variables can be set to make things work.

@thellier

Hans made a comment on things that were improved.

http://amigaworld.net/modules/news/article.php?storyid=7435#95387

@ddni

ioquake3= 2.39x faster . so depends on application.

X1000 Radeon R9 270X
demo four 1280x1024 max settings 74fps

Sam460ex Radeon HD7750
demo four 1280x1024 max settings 31fps

@pseudaxos

press the "`" key to get into the console.
Then type
timedemo 1 (Enter key)
map demo1.dm2 (Enter key)

Sam460ex Radeon HD7750

1024x768
map demo1.dm2 : 18.1 FPS

To get sound working with the new QuakeII on Sam460ex with ENVY24HT pciex1 card edit the following line in the baseq2/config.cfg file to :

set ahi_speed "48"

@pseudaxos

Try rebooting and starting again .

@mechanic

Two different A-Eon projects done by two different people.
Project 1 = Radeon HD 5000-6000. Project 2 = HD 7000 and up.
Project 2 has reached the stage for a public release.
Project 1 has not. (I dont know why)

@noXLar

Hope that you have plenty of fun with your HD7750 .

Warp3D RadeonHD Southern Islands 1.14 and RadeonHD v2.10

Sam460ex - Radeon HD7750

800x600 - 33.0 FPS
1280x1024 - 31.0 FPS


Cow3D

up to 123fps and up to 146fps after pressing b



Previous results

Retested with the following results .May have been using the 1.9 driver previously

Sam460ex - Radeon HD7750 Warp3D-si 1.8
Quake3

640x480 - 28.6 FPS
800x600 - 28.2 FPS
1024x768 - 27.2 FPS
1280x1024 - 25.7 FPS
1600x1200 - 24.7 FPS

@noXLar

The 3 Gig HD7970 is in the RadeonHD compatibility list (Sapphire models). The HD7970 is also listed in the Warp3D compatibility list.

@noXLar

The PCIE extender cable is probably the best solution for the Sam460ex .

http://forum.hyperion-entertainment.b ... .php?f=17&t=2649&start=10

@salass00

The PCI-E 16x Extender cable option .

http://amigaworld.net/modules/news/ar ... oryid=7363&start=40#94753

@noXLar

Cant say that there is a perfect card yet.
In my quest to get a nice experience on Amiga OS 4.1 starting with a Sam440ep-flex and now a Sam460ex I have tried over a dozen Radeon HD models.

My current Sam460ex option is to use a PCIE riser cable to position my video card off the Sam460ex motherboard. I stared with the riser cable using a dual slot Radeon HD6670 and then switched to the low profile single slot Radeon HD7750.
I purchased a pair of the Radeon HD7750's early last year and never expected to be using one so soon for Warp3D as I was expecting Warp3D for the Radeon HD6670 card.

If you want to keep things simple then if you can find a fully height single slot HD7750 or R7-250E as this is your best option for things to run cool as the fan wont be fully blocked by the Sata card.

@noXLar

Note also that some of these low profile cards can run hot as the fan ends up close to the sata card in the Sam460 .

@salass00

read the manufacturers PDF info below.
the R7-250 Oland has 384 Stream processors.
The R7-250E Cape Verde Pro has 512 Stream processors

http://www.club-3d.com/isotope/c/cgax-r7252l_web.pdf