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 riksweeney
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 8:34:55
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Joined: 20-Jan-2004
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hnl_dk
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 8:39:31
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| @riksweeney
Quote:
UDMA==Ultra-DMA
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riksweeney
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 9:35:10
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| (You can see what's coming next)
Sorry, but what's Ultra-DMA? |
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hnl_dk
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 9:49:42
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Joined: 25-Mar-2003
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From: Denmark | | |
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| @riksweeney
this link might answer your question
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Kay
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 9:51:53
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From: Norway | | |
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| @riksweeney
Ultra Direct Memory Access
Basically it means that you can transfer data from one area of memory to another without involving the CPU. A typical example would be transferring data directly from the harddrive to main memory.
It's faster. 
Kay |
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Mason
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 9:53:02
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Joined: 10-Mar-2003
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From: Germany | | |
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| Ultra DMA is an extension of the ATA hard disk interface that theoretically allows burst data transfer rates of 33.3 megabytes (MB) per second. This is double the ATA-2/ATA-3 standard of 16.6 MB per second. Using Ultra DMA can result in a 40 percent increase in performance over the ATA-2/ATA-3 standard. The performance improvement is a result of the improved data rate of the drive itself.
Source: Description of UltraDMA
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Kay
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 9:54:28
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| Oh, and I believe they said it wouldn't ever work properly on the AmigaOne...
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Mark
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 10:34:47
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| All we're waiting for now is one of two replies I believe (probably both)
1) Its not working until I have it on my machine (typically from someone without an A1 so will never have it  )
2) It Cant ever work properly because its a software fix to a hardware bug in the Artica chip.
This isnt to say this is my opinion of course, merely predicting the responses that will turn up
Mark
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Agafaster
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 11:22:58
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From: West Midlands, England - sector ZZ9 plural Z alpha | | |
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| I dont spose the new serial.device will be demoed eh ?!
also, chaps, just cos someone has an UPDATEd OS4.0 doesnt mean he has the UPDATE - there could well be the installer to do yet, and that needs testing in itself !
anyroadup (said the Himalayan mountain guide), keep us posted ! 
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Toaks
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 11:31:14
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Elite Member
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Joined: 10-Mar-2003
Posts: 8042
From: amigaguru.com | | |
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| uh oh this news item is glowing...
/me runs away
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tomazkid
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 11:47:39
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| also, chaps, just cos someone has an UPDATEd OS4.0 doesnt mean he has the UPDATE - there could well be the installer to do yet, and that needs testing in itself ! |
Well, the news topic says AmigaOS 4.0 update, so I take it as it is the OS4-PR update that is to be shown.
Othervise it should have been the latest AmigaOS 4 beta, should it not?
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Menthos
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 11:49:46
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From: Bureå / Sweden | | |
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| @ Kay
"Oh, and I believe they said it wouldn't ever work properly on the AmigaOne..."
And by a line in a news post we know it works?!?!?!?
Don't get me wrong, I really hope it does work, but I haven't seen full DMA working on my AOne any time (using the Dev.Prerelease here).
I really hope that there is coming, but the news item can't make anyone that thinks the AOne is 'broken' change their minds. Only letting people trying to make it fail and in their attempts not succeding will change their minds (hopefully).
(And making me think that there is no problem...)
/Me, still happy since the OS4 dev.prerelease release! |
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tomazkid
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 11:54:35
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From: Kristianstad, Sweden | | |
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Don't get me wrong, I really hope it does work, but I haven't seen full DMA working on my AOne any time |
I've seen working DMA, it was with Linux though, and after a while Linux disabled it by itself, due to too many ide-timeouts.
But still, it was there
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Menthos
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 12:11:42
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Joined: 12-Mar-2003
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From: Bureå / Sweden | | |
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| I've seen working DMA, it was with Linux though |
And as people has said before that without DMA there should be no sound and so on (or what it was), so sure DMA works. But not full DMA in any public OS for the AOne (I haven't seen any Linux with 100% working DMA and the prerelease OS4 does not have it either).
Hopefully we will have both Linux and OS4 with full DMA support for the AOne in the future, really looking forward to that, but as of now we don't have it (betatesters and developer may have it, but I can't comment on that as I have not seen it)!
I'm just saying that a line in a news item doesn't count as proof that OS4 has 100% functional DMA. We just have to wait and see!
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KimmoK
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 12:13:51
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Elite Member
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Joined: 14-Mar-2003
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From: Ylikiiminki, Finland | | |
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| Is the DMA enabled in the update?
Is petunia usable in the update?
Never mind, I will see it tomorrow.
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// For freedom, for honor, for AMIGA
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Toaks
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 12:44:38
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Elite Member
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Joined: 10-Mar-2003
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From: amigaguru.com | | |
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| kimmok: and NO petunia is NOT in the update like racs said in the os4upd. thread quite a while ago and he should know as he is the man behind it.
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tomazkid
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 12:57:27
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Joined: 31-Jul-2003
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From: Kristianstad, Sweden | | |
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| And as people has said before that without DMA there should be no sound and so on (or what it was), so sure DMA works. |
I was referring to udma for ide.
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Kay
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 13:13:42
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Super Member
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Joined: 9-Mar-2003
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From: Norway | | |
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| And by a line in a news post we know it works?!?!?!? |
By no means. But it looks like we'll know by the end of this week.
Kay |
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Menthos
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 13:59:05
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Regular Member
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Joined: 12-Mar-2003
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From: Bureå / Sweden | | |
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| By no means. But it looks like we'll know by the end of this week. |
Yes, I'm looking forward to reading reports from the events!
(Always nice to read about the progress of OS4!)
/Me |
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ssolie
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Re: AmigaOS 4.0 update to be shown in France next weekend
Posted on 24-Sep-2004 14:11:37
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Elite Member
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Joined: 10-Mar-2003
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From: Alberta, Canada | | |
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| @Mark
3) It's not working until I have seen it running on my A1 machine because I don't trust those nasty OS4 developers to do things correctly (hi Menthos)
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