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  ACR slot 
 
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Andre Everts Jul 06, 2001, 09:34am EDT Reply - Quote - Report Abuse
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I noted in one of the M/B reviews (ChainTech), that it mentioned an ACR slot ?? some VIA manufacturer technology?

It had the envious position of sporting an unusual blue color slot,
so that it would not be confused with the other PCI slots.
(Even that does'nt tell me much, though I'm not color blind.) :-)

So my question is... why & for what reason, is this slot used for ??

Perhaps someone could enlighten me.
Thanks,
Andre'


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DaveO Jul 06, 2001, 10:36am EDT Reply - Quote - Report Abuse
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>> As I understand it...
As I understand it, it's similar to all the other new riser slots, you put a cheap-o card in it that basically gives your chipset access to the outside world, so as it can provide you with LAN, modem or other devices without the need to buy a full-blown 'expensive' version of one of these.

Yes, I know what you're thinking right now ;)

I have one of these risers on mine, different type (I think there are 4 standards for it, all massively unpopular) but I think mine will remain forever empty. I think I'd rather pay the extra £3 and save the CPU cycles ;)


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DaveO Jul 06, 2001, 12:51pm EDT Reply - Quote - Report Abuse
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>> To add...
Just in case the above sounds a bit damning, here's an editorial on the subject (particularly the 2 new types of riser), although I still hold to the above belief for at least the immediate future:

http://www.inqst.com/articles/risercards/0515main.htm


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Dan Mepham Jul 06, 2001, 02:03pm EDT Reply - Quote - Report Abuse
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>> [No Subject]
Dave is exactly right, its another riser for software-driven add-ins like modems or sound. Very similar to AMR or CNR.

The problem with ACR is that it's a VIA proprietary standard. That is, it's VIAs, and you'll never see it on anything but VIA boards, where as Intel has made its CNR standard available to everyone (including VIA).

Because of that, I'm about 99.99% confident that ACR will go the way of Betamax. That is, nowhere. Those slots aren't popular as it is, and when they are used, people will be far more likely to use CNR (because it's an open standard) than ACR.

Dan Mepham

Editor in Chief, Hardware Analysis
Email : dmepham@hardwareanalysis.com
Visit us at : http://www.hardwareanalysis.com

Dan Mepham
Alex McLeod Aug 26, 2001, 02:58am EDT Reply - Quote - Report Abuse
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>> Re: ACR slot
I know this is an old post, but I ran across it on Google.

ACR is NOT a VIA proprietary standard. It is managed by the ACR SIG, and while you have to be a member to put it in your chipsets, it sounds a lot better than anything Intel has. The standard was designed to be a better alternative to AMR and CNR. It allows cheap modem, audio, and ethernet cards just as Intel's standards do, but it also allows hardware acceleration and such to be added to the cards allowing a mid-level performance if not high.

You can actually see this slot on an SiS motherboard.

For an excellent description and discussion, read this:
http://www.inqst.com/articles/risercards/0515main.htm

h0stile Aug 26, 2001, 07:22am EDT Reply - Quote - Report Abuse
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>> Re: ACR slot
Is it like AGP for communications or something?

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Dan Mepham Aug 26, 2001, 10:08am EDT Reply - Quote - Report Abuse
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>> Re: ACR slot
My mistake, I should not have said that it was 'proprietary' .. poor choice of wording. However, I still don't see ACR as going anywhere. Neither of the two are wildly popular in the first place (ACR or CNR), and even if it's slightly less 'potent', my money would be on CNR, simply because, like it or not, Intel is still the dominant force.

In any event, neither of those interfaces are of particular interest to the readership here, which is why we don't talk about them much.

Dan Mepham

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