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191 Posts in 37 Topics by 33 membersJump to:
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|Author||Topic:Which Radeon for A1X1000 and Sam460ex||7401 Views|
23 August 2010 at 2:02pm
Which Radeon gfx card would you suggest to buy to use with AmigaOne X1000 and Sam460ex ?
UBoot: 1.1.1 March 3 2005, AmigaOS 4.1 update 2, AmigaOne SE
750CXe 666MHz, Sapphire Radeon 9200 (AGP, 128M), Club3D
Radeon HD2400 PRO PCI (256M, low profile), Sii0680 HD
controller, ESI Juliet sound card, 512 MB memory, USB
disabled, PS2 keyboard & mouse
3 November 2010 at 5:35pm
I somehow missed this thread. Anyway, I don't have any recommendations for the A1-X1000 or Sam 460ex as I do not have either of these machines at present. In theory any card from the Radeon X1300 to the Radeon HD 4890 should work. Do not get a Radeon HD 5000 series card, as these are definitely not supported at present.
18 November 2010 at 8:51pm
According to http://www.videocardbenchmark.net/high_end_gpus.html
Radeon HD 4890 is the better card.
18 November 2010 at 11:05pm
If you want to use the PCI slot (and you probably do), then make sure that the card that you buy is only a single-slot thick. High-end cards such as the Radeon HD 4890 take up two slots (at least, I have yet to see a single-slot version), and some of the low end cards use a double height heat sync for fanless cooling. Using these cards would block the PCI slot, rendering that slot unusable.
I recommend getting a mid-range card for the SAM 460. A low-end card seems like a bit of a waste when you've got a brand new 1.2 GHz machine; low-end cards really are "low end." At the other end, the high end cards need two slots. A mid-range card strikes a good balance, at least, IMHO.
I expect that some will criticise ACube for this, but the fact is that the flex-ATX form-factor only provides room for up to three expansion slots. The Sam 460ex uses all three of those slots (one 4x PCI-E slot, a PCI slot and a 1x PCI-E slot).
14 December 2010 at 5:18am
Its planned to buy a Sam460ex next year (2011).
I need a lot of Video-Ram for many screens in high resolution, if possible in 32Bit Color-depth and Composing enabled.
Is 1 GB Videoram supported by your drivers/Os4.1 für Sam460ex?
IÂ´m using a Sam440ep/667Mhz/512MB/Amiga OS4.1 over DVI on 19" Samsung TFT (1280x1024x32bit).
14 December 2010 at 2:37pm
The VRAM situation is a bit complicated. Of the 1 GiB of VRAM, 256 MiB is accessible to the CPU via the PCI bus. The rest of the VRAM is only accessible by the GPU. Since Picasso96 expects all VRAM to be CPU accessible, it will use only the CPU accessible 256 MiB.
But all is not lost. The Gallium 3D drivers will be able to use the full 1 GiB, or whatever your card's VRAM size is. I am also investigating how else I can make use of the extra VRAM.
Naturally, this problem will be completely solved when Picasso96's replacement arrives.
26 December 2010 at 5:56pm
Radeon HD 4650 full working? 48xx series cards work?
27 December 2010 at 5:21pm
Radeon HD 4650 full working?
DVI output is not fully operational with Radeon HD 4000 series yet. However, this will be implemented later.
48xx series cards work?
In theory, yes. However, it has never been tested. Please do bear in mind that the high end cards take up two slots, and so are not suitable for the SAM 460ex if you wish to use the PCI slot.
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