15 January 2016, 00:50 | #121 |
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@Hedeon
U2 is a most likely a place for Flash ROM. Maybe Elbox was trying to boot the card from that instead of PCI memory. |
20 January 2016, 17:22 | #122 |
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Hi,
I want to say that what you guys are doing is outstanding. I bought a brand new Amiga 1200 system in 2000/2001, back then it was still possible. Then I towered it in a brand new E/BOX 1200 cabinet from ELBOX, it was quite good. Added a nice IDE controller. I got the Mediator, and suiting PCI cards: Spider USB, Voodoo3 3000, Ethernet card etc. Mostly because ELBOX were promising the Shark boards, that never ever came ! Indeed they left me in the dark. It was a nice system. However, the lack of PPC accelerator made me take a choice I bitterly regret today, I sold the very nice system I had assembled, a year later. Man, I regret that now - not just due to these news.. it was a nice towered classic system that looked good! The big question, will this accelerator and setup be able to run Amiga OS 4.1 FE Classic eventually, i.e. is that "the plan"? I am almost considering assembling a new similar system now. These news are fantastic! Needless to say, I am following this with great interest! Olav Last edited by olav; 02 February 2016 at 17:01. |
20 January 2016, 21:16 | #123 | |
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Quote:
I think you should listen to the podcast where Hedeon was interviewed... OS4 was one of the topics discussed there . http://www.amigapodcast.com/2015/12/...rpc-turbo.html |
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21 January 2016, 03:36 | #124 |
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Dunno, could first try to run it on top of 3.9 :-P
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21 January 2016, 17:26 | #125 |
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Nice podcast. I just got an Amiga 1200 again now during the Christmas holidays. Plan to get the Mediator 1200TX (getting a Mediator again... and of course need some tower solution..). If I can find the Sonnet Crescendo 7200 I would love to help out. I do have coding experience. Should get this working for Amiga 1200 too!
Last edited by olav; 21 January 2016 at 18:32. |
21 January 2016, 21:33 | #126 |
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Okay . You should know that the code to support Mediator 1200TX is there, but it is buggy and doesn't work too well compared to 3000/4000. Fixing it might be nontrivial without reimplementing Elbox's pci.library.
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22 January 2016, 08:37 | #127 |
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So I suppose it's better to get a good 4000... I currently live in Tokyo, and they are hard to come by here (!).
Also, the Sonnet Crescendo 7200 seems to be nowhere to be found. An alternative would be making a interface card for the other Crescendos, those non-pci cards plugging straight into the Apple CPU socket. In that case the A1200 would be able to stay in its original enclosure.., not depending on any PCI bridge Also, there exist FPGA chips with PPC cores embedded on the same chip..(!). The tricky part would be getting the memory controller and interface right. It would need that too of course - memory. Last edited by olav; 02 February 2016 at 16:59. |
22 January 2016, 08:48 | #128 | ||||
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If you're more into using the card than developing then certainly .
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http://www.mac-paradise.com/list/cpu.html#old Otherwise your best bet, would probably be searching on eBay... Quote:
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22 January 2016, 09:22 | #129 | |
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Quote:
I have to admit, a towered A1200 is not a particularly pretty sight.. in some (most?) cases. It deserves its original enclosure. When I had it, it felt like an un-elegant patched-up "mess", but then again it had its charms. If I had a nice tower solution to put it into, and access to the Mediator.. it would be a whole lot easier..I have neither these days. Not overly excited about hacking together a cabinet for it, and getting it out of the original skins.. So maybe I should get a second motherboard for this experiment. Thanks for the link. And it's in Japan, too. It basically shows the reflection of another Japanese mac site I found, they keep the same inventory, different front-ends. http://www.pasocomclub.co.jp/list/mac_cpu.html I read in the blog that a "huge" quantum of the Crescendo 7200 was bought, is this for sale at some point? Are anyone developing Warp3D support for the Radeon 9200 on the mediator? EDIT: Realised the Mediator 1200TX "Black edition" can be ordered directly from Elbox. Last edited by olav; 02 February 2016 at 17:03. |
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22 January 2016, 13:04 | #130 | |
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Quote:
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22 January 2016, 15:17 | #131 |
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Purely out of idle curiosity. What is the sort of speed increase over the blizzard 603e 233 ?
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22 January 2016, 16:28 | #132 | |
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Quote:
gears from warp3d (grabbed the numbers from ppa.pl): A1200 BPPC 603/200 040, BVision gears_ppc - 25-28 fps gears_ppc-small - 27-29 fps (WB 1024x768 16 bit) gears_ppc-window - 21-24 fps (WB 1024x768 16 bit) A4000 CPPC 604/210 060, Voodoo3 3000 gears_ppc - 36-37 fps gears_ppc-small - 37-38 fps (WB 1024x768 16 bit) gears_ppc-window - 38-39 fps (WB 1024x768 16 bit) So the sonnet: A3000 Sonnet 750/500 060, Voodoo3 3000 gears_ppc - 75-76 fps gears_ppc-small 75-76 fps (WB 1200x900 16 bit) gears_ppc-window - 75-76 fps (WB 1200x900 16 bit) |
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22 January 2016, 16:34 | #133 |
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Ok thanks. Interesting
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22 January 2016, 22:21 | #134 | |||
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Of course it is possible. Just very time (and money...) consuming. I already worked on a few hardware expansions for Amiga, so I know what I am talking about here. Quote:
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23 January 2016, 03:49 | #135 | |
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So you guys are preparing a new "accelerator" package, the "shark" that newer got out ? Hope you just do not introduce Elbox "spider USB" "taxes" hehe. That is why there is somewhat of a vacuum for the cards.. lol Then again, I do think your efforts should have some "payback" In the sense of longevity of the setup, I think it relates. The Radeon 9200 is faster, abundant, and cheaper.. Last edited by olav; 28 January 2016 at 15:26. |
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23 January 2016, 10:42 | #136 | |
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23 January 2016, 22:41 | #137 |
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Here's the pinout of the U8 spot.
<-PCI Slot 1 2 3 4 5 Tab 3.3 5V 3.3V Unknown 3.3V 3.3V I've had some power supply problems so I haven't been able to test until parts show up Monday. I may just order an LM1084-3.3V for testing. Last edited by grelbfarlk; 24 January 2016 at 00:20. Reason: Wrong! |
24 January 2016, 01:36 | #138 |
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I remembered I had a leftover 3.3V regulator from another project. Sorry if this looks gross I haven't cleaned up yet.
Works. In that it seems to provide relatively stable voltage, at the same place I put the connector before I measured 3.29V where I was only getting ~3.1V before (due to my power supply on the way out). Last edited by grelbfarlk; 24 January 2016 at 01:38. Reason: One of these days I'll link an image properly |
24 January 2016, 13:36 | #139 |
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Great job! :-) Hope your system is back up and running soon.
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26 January 2016, 06:15 | #140 | |
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Can anyone with a 500MHz unit take hi-res photos? I suspect the 400 MHz units can relatively easily be overclocked to same level, or at least 450MHz... G4 editions were also produced, anyone tried those? They add "Altivec". It has become obvious that these are now scarce items.. (!): http://www.amibay.com/showthread.php...Crescendo-7200 Last edited by olav; 28 January 2016 at 12:50. |
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