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[Events] Notes about my presentation at the Alchimie 4 showANN.lu
Posted on 29-Sep-2004 10:40 GMT by Stéphane Guillard427 comments
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The html pages I made available was only a starter slideshow for my presentation. Here are a few words about what I shown, and what I said. Hi Gentlemen,

The html pages which are available at my site are just an introduction slideshow that I presented as a starter, it does not relate what I shown and said afterwards. Please find below a couple of notes about my presentation at Alchimie show.

Here is a quick summary of the presentation I did :

- I booted with boot delays set to 1 second for UBoot and for SLB (second level booter), thus less than 20 seconds after power on, we were with a fully loaded Workbench with Amidock.

- I started with the small html slideshow, presented on IBrowse. You can find those pages at the URL above. IBrowse loaded in 2 seconds with its About: page fully displayed. Browsing through the pages of the slideshow was instantaneous.

- While we were at it, I browsed the OS4 install guide, also as fast as can be, must say I also find this responsiveness impressive myself :)

Then I demoed as many things as I had time to during the 2 hours I had. Everything worked, fast & stable, and was smooth and impressed. I showed mainly:

- All os4 system, tools, utilities, prefs & stuff

- MUI, IBrowse, Amitradecenter

- Yam, SimpleMail

- ClassAction (M. Elsner's file manager)

- MakeCD

- MooVid running a DivX

- DVPlayer running an mpeg2

- AudioEvolution 4 with the demo project, cursors auto moving smoothly, the playback was smooth also, with mostly no CPU usage.

- AmiPDF with the AE4 manual and another heavy PDF file, very fast

- USB. I plugged a Microsoft IntelliMouse Optical into my USB hub, and we had 2 mice to control the system

- Crisot's slach5 winning demo (got applauses which it deserved)

- chip's rayrace realtime raytracer demo. When the juggler appeared, audience was impressed, but really took measure of what they were watching when I moved the mouse. Wait for the Altivec version !

- FPSE, AmiDog's PS1 emulator, with an oldskool game which ran nicely ('Cotton')

- some other visual toys I had at hand

The demos only grimreaped twice, and I anticipated the grims before they popped up :

- One was native glsokoban / w3d, when I launch it does a base page access (a “null pointer” bug in glsokoban). I didactically shown the disassembly which is available in the grimreaper window, was a store to r4, r4 was null etc. I clicked on continue, and it all went fine & fast.

- One was frying pan 0.3.1, I shown the app, and at one point I said 'now it should grim’ and it did. It still loaded fine though. I quit the app, clicked on reboot and less than 4 secs after, wb was up with amidock. That was the only reboot of the show.

I forgot to show (because of short time):

- Petunia... Almos, sorry, I had prepared something for that (side by side windowed jit & nonjit runs of voxelspace), but i both forgot, and was asked to stop at this point by the party organizers cause it was already 5:30 pm while I was scheduled until 4pm.

- ArtEffect

- USB with MassStorage (ie USB key or digital camera)

At the end, I had many fair questions to which I answered; my feeling is that the audience really appreciated the effort behind what I shown, and was conscious that we are not far away from a releasable 4.0.

Then came the expected question, 'and why doesn’t DMA work ?'

I said 'All what you saw was DMA since the 1st boot'.

I copied a few 100 MB files in a snap, with zero CPU (thanks to Pete Gordon for the clock/CPU docky, helps a lot). Then I switched to PIO, they saw 4 x slower and 80% CPU.

The audience understood that it was indeed DMA, and that was fast, and that was part of the overall smoothness of what I shown.

Then I explained the things below (this is the reference for my statements, please don’t rephrase or extrapolate or invent or whatever):

- IDE UDMA works on VIA and Articia on AmigaOne SE / XE / µA1 MK2 (as I demoed) ...

- ... except when the Ethernet chip goes online and is used.

- the Ethernet chip only triggers the problem, but it is not at all related to it (a test using a PCI Ethernet shows the same behaviour)

- We have made a driver for a Silicon Image 680 PCI IDE UDMA133 controller chip, this does UDMA 133 nicely, including when Ethernet is used at full speed.

- The fact that a PCI IDE controller solution works, shows that the problem is *not* related to Articia, since PCI DMA is *also* handled by the Articia, and that works.

- The full Alchimie show demo was done using UDMA, both from the VIA and from the Si680, without problem (but with Ethernet off, would the Ethernet have been turned online, I would have had to revert the VIA into PIO before).

- Things are currently under more investigation

In the meantime there are 2 options for existing A1 board owners:

- Use the VIA IDE controller in PIO mode when using Ethernet, and UDMA at other times,

- Purchase a faster (UDMA133) Silicon Image 0680 IDE PCI card (from around $20). This is my personally recommended option as the delivered speed is noticeable faster than the on-board VIA controller in UDMA mode.

Notes about my presentation at the Alchimie 4 show : Comment 51 of 427ANN.lu
Posted by Don Cox on 29-Sep-2004 12:20 GMT
In reply to Comment 13 (Stéphane Guillard):
"You see, mate, I'm kinda aware that there is no SCSI driver for a PCI card under OS4, so..."

Is there one in progress? Preferably for an Adaptec card, as these are by far the commonest. An Amiga without SCSI would not be useful for me.
Notes about my presentation at the Alchimie 4 show : Comment 52 of 427ANN.lu
Posted by itix on 29-Sep-2004 12:22 GMT
In reply to Comment 37 (Anonymous):
"Pegasos-I might have problem with DMA, but if that problem is really related to Articia is completely different issue. It seems to me that it is not related to Articia as that OS4/AmigaOne show showed." Problem with DMA on pre-April Peg1 board is random data corrupt. This is related to Articia (was it feature or lack of feature), April solved this problem. The OS4 team solved data corrupt problem by manual cache flush which seems to work fine. But if HW fix is still recommended Eyetech is in same position as Genesi was 2 years ago... Never buy "a pig in a sack".
Notes about my presentation at the Alchimie 4 show : Comment 53 of 427ANN.lu
Posted by Peter Gordon on 29-Sep-2004 12:23 GMT
In reply to Comment 50 (Christophe Decanini):
> Unfortunately for some reasons Stephane took these tests offline. Maybe the
> results are much better now but we will only know once something is tested /
> published. Certainly not with reading user comments on what they saw at a show.

Certainly the a1ide.device has got faster since that time. Considerably so.


> Anyway it does not have any importance anymore as it seems that UDMA + ethernet
> is not working. I would assume that most of the users want to use the
> combination of the 2.

Indeed. This is only a concern for owners of current boards, though.
Notes about my presentation at the Alchimie 4 show : Comment 54 of 427ANN.lu
Posted by Christophe Decanini on 29-Sep-2004 12:24 GMT
In reply to Comment 48 (Stéphane Guillard):
Thanks for the test.
Can you tell us what the drive in use is so that maybe the same test can be run on peg1/ peg2 / to compare ?
Notes about my presentation at the Alchimie 4 show : Comment 55 of 427ANN.lu
Posted by Davy Wentzler on 29-Sep-2004 12:25 GMT
In reply to Comment 51 (Don Cox):
"Is there one in progress? Preferably for an Adaptec card, as these are by far the commonest. An Amiga without SCSI would not be useful for me."

Why is that Don? AE4 does more than 50 stereo tracks on A1 with IDE.. ;-)
Notes about my presentation at the Alchimie 4 show : Comment 56 of 427ANN.lu
Posted by Amon_Re on 29-Sep-2004 12:25 GMT
In reply to Comment 53 (Peter Gordon):
It should also be noted that UDMA on a SIS680 & the ethernet does work
Notes about my presentation at the Alchimie 4 show : Comment 57 of 427ANN.lu
Posted by Christophe Decanini on 29-Sep-2004 12:26 GMT
In reply to Comment 51 (Don Cox):
I guess that it would be easier for them to start with lsilogic chips.
Adaptec is for SCSI what nvidia is for gfx card.
Notes about my presentation at the Alchimie 4 show : Comment 58 of 427ANN.lu
Posted by Don Cox on 29-Sep-2004 12:30 GMT
In reply to Comment 55 (Davy Wentzler):
"Why is that Don? AE4 does more than 50 stereo tracks on A1 with IDE.. ;-)"

I have a SCSI scanner and lots of SCSI drives. It's one of the basic ports which should be in any computer.
Notes about my presentation at the Alchimie 4 show : Comment 59 of 427ANN.lu
Posted by Don Cox on 29-Sep-2004 12:33 GMT
In reply to Comment 57 (Christophe Decanini):
"I guess that it would be easier for them to start with lsilogic chips.
Adaptec is for SCSI what nvidia is for gfx card."

What does that mean? Badly documented?

The first drivers should be for the cards you can actually buy in the shops. There must be Linux drivers for Adaptec as that is what I have in my Amithlon.
Notes about my presentation at the Alchimie 4 show : Comment 60 of 427ANN.lu
Posted by Don Cox on 29-Sep-2004 12:36 GMT
Anyway, thanks to Stephane for his intelligent and non-political reports of progress so far.

Even those of us on the sidelines are gaining some knowledge as these problems gradually get sorted.
Notes about my presentation at the Alchimie 4 show : Comment 61 of 427ANN.lu
Posted by Hans-Joerg Frieden on 29-Sep-2004 12:39 GMT
In reply to Comment 50 (Christophe Decanini):
> Anyway it does not have any importance anymore as it seems that UDMA + ethernet
> is not working.

Wrong. Read the text again.
Notes about my presentation at the Alchimie 4 show : Comment 62 of 427ANN.lu
Posted by Chip on 29-Sep-2004 12:39 GMT
In reply to Comment 52 (itix):
@itix:

Did you aware the fact that A1 has a different Articia than the Peg1 ?
Notes about my presentation at the Alchimie 4 show : Comment 63 of 427ANN.lu
Posted by Hans-Joerg Frieden on 29-Sep-2004 12:40 GMT
In reply to Comment 52 (itix):
> This is related to Articia

You *are* aware that the AmigaOne sports a later revision of the Articia S than was used on the Peg I, right?
Notes about my presentation at the Alchimie 4 show : Comment 64 of 427ANN.lu
Posted by Johan Rönnblom on 29-Sep-2004 12:41 GMT
In reply to Comment 48 (Stéphane Guillard):
Ok, thanks for the test. Btw, why no CPU availability? Could you run
the normal 68k version so we get those figures, too?

Anyway, I think those figures are what should be expected from a
system with normal DMA. So I think that this driver does not take the
steps necessary to avoid data corruption in all cases. We'll see when
the driver is released.

So, I'm asking for the n:th time: Will the IDE DMA driver be included
in the much-rumoured OS4 update?
Notes about my presentation at the Alchimie 4 show : Comment 65 of 427ANN.lu
Posted by Chip on 29-Sep-2004 12:42 GMT
In reply to Comment 63 (Hans-Joerg Frieden):
This time you were slow. :P :D
Notes about my presentation at the Alchimie 4 show : Comment 66 of 427ANN.lu
Posted by Peter Gordon on 29-Sep-2004 12:45 GMT
In reply to Comment 64 (Johan Rönnblom):
> So I think that this driver does not take the
> steps necessary to avoid data corruption in all cases.

Better go to the supermarket and stock up on humble pie. You may find the need to eat some in the coming months ;-)
Notes about my presentation at the Alchimie 4 show : Comment 67 of 427ANN.lu
Posted by Johan Rönnblom on 29-Sep-2004 12:47 GMT
In reply to Comment 66 (Peter Gordon):
So it will be released, or not? This is getting boring..
Notes about my presentation at the Alchimie 4 show : Comment 68 of 427ANN.lu
Posted by Christophe Decanini on 29-Sep-2004 12:47 GMT
In reply to Comment 61 (Hans-Joerg Frieden):
"- IDE UDMA works on VIA and Articia on AmigaOne SE / XE / µA1 MK2 (as I demoed) ...
- ... except when the Ethernet chip goes online and is used. "

It looks that I am very conservative when saying "it seems that UDMA + ethernet
is not working.".

So, why am I wrong ?
Notes about my presentation at the Alchimie 4 show : Comment 69 of 427ANN.lu
Posted by Johan Rönnblom on 29-Sep-2004 12:50 GMT
In reply to Comment 68 (Christophe Decanini):
Because the ethernet issue is avoided by running a small wire between
two chips, or by running a newer revision of the Articia. This is the
partial fix that bPlan gave to MAI at the end of 2002 or beginning of
2003, don't remember.
Notes about my presentation at the Alchimie 4 show : Comment 70 of 427ANN.lu
Posted by Chip on 29-Sep-2004 12:50 GMT
In reply to Comment 64 (Johan Rönnblom):
" So, I'm asking for the n:th time: Will the IDE DMA driver be included
in the much-rumoured OS4 update? "

Do you have an A1 ? Or why do you care that much?
Notes about my presentation at the Alchimie 4 show : Comment 71 of 427ANN.lu
Posted by Peter Gordon on 29-Sep-2004 12:50 GMT
In reply to Comment 67 (Johan Rönnblom):
I don't know when it will be released as its not my call to make. However, I'm very confident you'll be proven wrong from the evidence I have seen.
Notes about my presentation at the Alchimie 4 show : Comment 72 of 427ANN.lu
Posted by Joël EHRET on 29-Sep-2004 12:52 GMT
In reply to Comment 63 (Hans-Joerg Frieden):
@Hans-Jorg Fireden

Latest peg1 has the same Articia than current A1s. It's a fact..

@all
on peg2, benchmarking of a IDE drive give around 55MB/sec
benchmarking IDE BUS give really more than that (can't give exact number)

would be interesting to have benchmark of IDE BUS on A1 and SI680... (as everyone knows drives are limitating)

@sg2
I really appreciated the fact you communicated this way what you think the truth is... I'm not convinced, but your attitude really contrasts with the one from other people ;)
Notes about my presentation at the Alchimie 4 show : Comment 73 of 427ANN.lu
Posted by Thomas Frieden on 29-Sep-2004 12:52 GMT
In reply to Comment 64 (Johan Rönnblom):
> Btw, why no CPU availability?

The test code is a 68k program (diskspeed). To measure the CPU time, it probably hooks into exec.library/Switch or exec.library/Launch. Naturally, the native exec kernel does not use these 68k entry points anymore, therefore, a 68k CPU test program (like PM, for example) will never get any hit on Switch/Launch, so they will assume the CPU is running at 100 % (because their low-priority task used to measure the time is never launched).
Notes about my presentation at the Alchimie 4 show : Comment 74 of 427ANN.lu
Posted by Thomas Frieden on 29-Sep-2004 12:55 GMT
In reply to Comment 73 (Thomas Frieden):
@ myself

Oups, sorry, it's scsispeed, not diskspeed.
Notes about my presentation at the Alchimie 4 show : Comment 75 of 427ANN.lu
Posted by Johan Rönnblom on 29-Sep-2004 12:55 GMT
In reply to Comment 71 (Peter Gordon):
And I'm very confident that *you* will be proven wrong, from the
evidence that *I* have seen. However, if they keep waiting another six
months, a year, or forever, before actually releasing that driver, I
won't even get the chance to prove you wrong.

And of course.. if they do, and someone can show that there is data
corruption with that driver, I still can't be sure that you won't
believe Hyperion when they say this is just a different problem, which
is not related to the Articia, and will be fixed with an update in a
few weeks.. six months.. whenever.
Notes about my presentation at the Alchimie 4 show : Comment 76 of 427ANN.lu
Posted by Thomas Frieden on 29-Sep-2004 12:56 GMT
In reply to Comment 72 (Joël EHRET):
> Latest peg1 has the same Articia than current A1s. It's a fact..

No.
Notes about my presentation at the Alchimie 4 show : Comment 77 of 427ANN.lu
Posted by Johan Rönnblom on 29-Sep-2004 12:57 GMT
In reply to Comment 73 (Thomas Frieden):
So in other words, OS4 is not really Amiga-compatible in this
respect?
Notes about my presentation at the Alchimie 4 show : Comment 78 of 427ANN.lu
Posted by Anonymous on 29-Sep-2004 12:58 GMT
In reply to Comment 49 (Don Cox):
Peter G said:

>> "It is sad that there is such a problem with the existing boards, but at least new boards will be OK."

How familiar. Those exact same words have been said about the exact same problem after each new Teron model (CX, PX, Mini) as well as after each new revision of those models. The explanations to the problem have always been different, and this time the explanation yet again contradicts previous explanations.

Don C said:

> I think just about every classic Amiga model had some hardware problems in the first production batch.

As far as Amigas and other commercial hardware are concerned, in contrast to the Terons, problems were most of the time fixed and at the very least always acknowledged. Fatal showstopping flaws (data corruption, nullification of features such as sound or functional on-board IDE) were always fixed or customers were refunded. I've had Asus mobos with an early revision AMD chipset which made onboard USB 1.1 unstable. Of course this was acknowledged without deceit and backpedalling and Asus included a USB 2.0 PCI card as standard with each mobo free of charge.

> If AmigaOnes were being produced at the rate of several thousand per month, layout faults would have been fixed ages ago. It is the usual problem of small production.

Bullshit. The problem obviously is not unknown nor restricted to only random specimens in the production runs, be they small or large. Why do some people apparently think this piece of hardware can "get away" with not getting flaws fixed, while any other product under legislated minimum warranties can, should, and does get flaws fixed (or customers are compensated with refunds or exchange)? Because some shop in the UK decided to also sell them with the Immaculate "Amiga" sticker? Continuing to sell flawed hardware while not mentioning it in specs/advertising is OK, becaus only a few hundred trademark fanatics will buy it anyway? Way to attract that elusive "industrial market"!
Notes about my presentation at the Alchimie 4 show : Comment 79 of 427ANN.lu
Posted by Anonymous on 29-Sep-2004 13:03 GMT
In reply to Comment 78 (Anonymous):
You can cook up a nice barbeque from the flames coming from unfixed peg2 boards.
Notes about my presentation at the Alchimie 4 show : Comment 80 of 427ANN.lu
Posted by Anonymous on 29-Sep-2004 13:06 GMT
In reply to Comment 61 (Hans-Joerg Frieden):
Hans-Joerg, don't even try to convince that guy, it's quite obvious that he's a MorphOS troll.

A trolling Moderator, how ironic and sad......
Notes about my presentation at the Alchimie 4 show : Comment 81 of 427ANN.lu
Posted by Anonymous on 29-Sep-2004 13:11 GMT
In reply to Comment 68 (Christophe Decanini):
Well as your trolling continues, let's take it to the pagasos then....

Following your own argumentation, the following statement must be true:
There's no OpenBSD port for the PegasosII, so BSD on the PegasosII doesn't work....
Notes about my presentation at the Alchimie 4 show : Comment 82 of 427ANN.lu
Posted by Anonymous on 29-Sep-2004 13:11 GMT
In reply to Comment 79 (Anonymous):
What's unfixed about the Peg2, and how would it relate to what I said in comment #78?
No I don't own or plan to own a Peg2. Keep your blue/red side crap for yourselves.
Notes about my presentation at the Alchimie 4 show : Comment 83 of 427ANN.lu
Posted by Peter Gordon on 29-Sep-2004 13:12 GMT
In reply to Comment 75 (Johan Rönnblom):
> And I'm very confident that *you* will be proven wrong, from the
> evidence that *I* have seen.

The difference being, I have actually seen some recent, relevant evidence.
Notes about my presentation at the Alchimie 4 show : Comment 84 of 427ANN.lu
Posted by Johan Rönnblom on 29-Sep-2004 13:16 GMT
In reply to Comment 81 (Anonymous):
There's a lot of text in that report about the obviously non-working
UDMA, and only very little about the apparently working one. Also the
language is not very good. Why do you immediately assume that someone
is deliberately trolling, rather than making a very understandable
mistake?
Notes about my presentation at the Alchimie 4 show : Comment 85 of 427ANN.lu
Posted by Carl Moppett on 29-Sep-2004 13:17 GMT
In reply to Comment 83 (Peter Gordon):
UDMA and Ethernet do work together.
Notes about my presentation at the Alchimie 4 show : Comment 86 of 427ANN.lu
Posted by Carl Moppett on 29-Sep-2004 13:18 GMT
In reply to Comment 85 (Carl Moppett):
Sorry forgot to post link
http://www.emag.me.uk/udmaethernet.png
Notes about my presentation at the Alchimie 4 show : Comment 87 of 427ANN.lu
Posted by Johan Rönnblom on 29-Sep-2004 13:18 GMT
In reply to Comment 83 (Peter Gordon):
And I think I've seen better and more relevant evidence. Really, we're
at a point when either one of us have to say "prove it!". The problem
is that I can't prove it, because you don't offer me a means to do
that which you would accept.

You could of course also say that you can't prove it, since you're not
allowed to release Hyperion's driver. But you could at least write
your own driver, if you're so confident it can be done.
Notes about my presentation at the Alchimie 4 show : Comment 88 of 427ANN.lu
Posted by Fabio Alemagna on 29-Sep-2004 13:20 GMT
In reply to Comment 77 (Johan Rönnblom):
> So in other words, OS4 is not really Amiga-compatible in this
> respect?

It's not really AmigaOS compatible in many respects, it seems.

To think that I would have wanted so many times to implement certain things in AROS which, however, I couldn't implement because of compatibility issues, and thus I've had to postpone the moment in which I'll implement them whenever a "boxed" approach is implemented in AROS as well.
Notes about my presentation at the Alchimie 4 show : Comment 89 of 427ANN.lu
Posted by Peter Gordon on 29-Sep-2004 13:21 GMT
In reply to Comment 85 (Carl Moppett):
Well, yes SI680 and ethernet are reported to work very well indeed with latest drivers. I'll find that out for myself when my PCI card arrives next week.

A1 IDE and ethernet work most of the time for me. I've been using UDMA with ethernet for months now, and had almost no problem. I have seen two of these "lockups" in that time... which is sad.

When not using ethernet, i've run stress tests using UDMA and sound and never had any problems.

It is disappointing, but its not the end of the world. I didn't need that PCI slot anyway... hopefully Eyetech will do something to help those who have these boards and don't want to fork out for a PCI card... time will tell I guess.
Notes about my presentation at the Alchimie 4 show : Comment 90 of 427ANN.lu
Posted by Christophe Decanini on 29-Sep-2004 13:24 GMT
In reply to Comment 80 (Anonymous):
I'm sorry if I do sound like trolling but reading Stephane I understood that UDMA and ethernet were not working together.
Can anyone tell me waht I misunderstood instead of calling me a troll or telling me I am wrong ?
Notes about my presentation at the Alchimie 4 show : Comment 91 of 427ANN.lu
Posted by Peter Gordon on 29-Sep-2004 13:25 GMT
In reply to Comment 87 (Johan Rönnblom):
I don't have the time, or the inclination to write my own driver. Besides which, I already have access to the Hyperion one, which DOES work.

Anyway, I don't see any point in continuing this conversation since we're both just repeating ourselves.
Notes about my presentation at the Alchimie 4 show : Comment 92 of 427ANN.lu
Posted by Peter Gordon on 29-Sep-2004 13:26 GMT
In reply to Comment 91 (Peter Gordon):
Besides, how can you have seen better and more relevant evidence than someone who has access to the driver in question?
Notes about my presentation at the Alchimie 4 show : Comment 93 of 427ANN.lu
Posted by Johan Rönnblom on 29-Sep-2004 13:26 GMT
In reply to Comment 90 (Christophe Decanini):
It's only (obviously) non-working with the on-board UDMA. They have
written a driver for a PCI card which appears to work.

Also, I think the on-board UDMA works (to some extent) with newer
A1's, although this is not mentioned by Stéphane and I might be
wrong.
Notes about my presentation at the Alchimie 4 show : Comment 94 of 427ANN.lu
Posted by Christophe Decanini on 29-Sep-2004 13:27 GMT
In reply to Comment 90 (Christophe Decanini):
Before anyone does some rhetoric by "not working" I mean that it does not operate as it should (including stability and performance).
Notes about my presentation at the Alchimie 4 show : Comment 95 of 427ANN.lu
Posted by Carl Moppett on 29-Sep-2004 13:30 GMT
In reply to Comment 90 (Christophe Decanini):
A1 onboard UDMA IDE and A1 onboard ethernet have the problem, PIO is OK
A1 onboard UDMA IDE and PCI ethernet have the problem, PIO is OK
Sil0680 based UDMA IDE and ethernet dont have a problem

thats my understanding and what the screengrab shows sil0680 UDMA & onboard ethernet happy together.
Notes about my presentation at the Alchimie 4 show : Comment 96 of 427ANN.lu
Posted by Johan Rönnblom on 29-Sep-2004 13:33 GMT
In reply to Comment 92 (Peter Gordon):
I'm not discussing Hyperion's driver, I'm discussing the Articia, as
found in the A1's. No matter what that driver does, it cannot make
squares out of circles.

You know, we're trying to prove different things. You're trying to
prove that the UDMA works. That is best done by showing some working
UDMA.

I'm however not trying to disprove only that some particular UDMA
driver does not work properly. That would be of very limited interest,
as it could have a thousand reasons. I'm trying to prove that *no*
UDMA driver can ever work properly (that is, without performance
penalty). So I'm more interested in the Articia, how it works, how
it does not work, and the consequences this has for UDMA.

Now.. you seem to base your opinion on this driver. You don't seem to
care about, or understand, my arguments about the faults in the
Articia. So, then it's interesting to me to know what would happen if
I could show that your driver is in fact broken. Would you accept
this?

And if it's not released in another six months, or a year, or two
years.. will there come a time when you agree that there must be some
reason for why it's not released, and that this reason can only be a
very serious problem related to the A1 hardware?
Notes about my presentation at the Alchimie 4 show : Comment 97 of 427ANN.lu
Posted by Christophe Decanini on 29-Sep-2004 13:33 GMT
In reply to Comment 93 (Johan Rönnblom):
Ok, so I'm wrong because I didn't specify that UDMA is not working with the onboard controller. It was obvious to me that I was speaking about the onboard one.

"IDE UDMA works on VIA and Articia on AmigaOne SE / XE / µA1 MK2 (as I demoed) ...
- ... except when the Ethernet chip goes online and is used."

It is funny that when Stephane does not mention it is the onboard one nobody tells him he his wrong or he is trolling.
You guys are still too much on red pills.
Notes about my presentation at the Alchimie 4 show : Comment 98 of 427ANN.lu
Posted by syrtran on 29-Sep-2004 13:35 GMT
Stephane, Stefan, or anyone else who knows:

Is there any chance that the "hardware fix" to the A1XE might be published somewhere for those of us willing to take a risk soldering our motherboards? I do not have the option of adding a separate IDE card as my case only has 2 slots which are taken up by the requisite video and sound cards.

(Hey, if I can do the INT2 fix myself on my 3000D, I should be able to do this. :-) )
Notes about my presentation at the Alchimie 4 show : Comment 99 of 427ANN.lu
Posted by Christophe Decanini on 29-Sep-2004 13:38 GMT
In reply to Comment 95 (Carl Moppett):
It was my understanding too and I thought that by saying
"Anyway it does not have any importance anymore as it seems that UDMA + ethernet
is not working"
It was obvious I was speaking about onboard UDMA + ethernet. I even said "it seems" while Stephane stated it as a fact.
Some people have such a bias that when I say it seems "something stated by an Hyperion developer" they see me as being wrong or trolling.
Notes about my presentation at the Alchimie 4 show : Comment 100 of 427ANN.lu
Posted by Stéphane Guillard on 29-Sep-2004 13:40 GMT
In reply to Comment 97 (Christophe Decanini):
Thing is... I mention "VIA", and this is onboard. Afaik, there is no PCI card with a 686b VIA IDE controller on it ;)

In my words, the VIA IDE is onboard, and the si680 is the PCI one.

Regards,
--
Stéphane
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