Difference between Dell 2405 and 2407

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rgoldman

Junior Member
Jan 20, 2006
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Those that know how Dell does their marketing and supply chain; will the 2405fpw still be available after the 2407fpw is released?
 

nib95

Senior member
Jan 31, 2006
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Originally posted by: rgoldman
Those that know how Dell does their marketing and supply chain; will the 2405fpw still be available after the 2407fpw is released?

I personally doubt it will. I think what with the current prices of the older monitors slowly dropping more and more, and Dell busting out the sales, they are actually slowly irradicating the older models in room for the **07 range.
There is no need for them to stock both, it would probably only end up affecting the sales of the more expensive nwer models, I can imagine if both stock remained the sales of the 2007FPW would lessen as a result of the now cheaper 2405FPW (because by that time, with the release of the 2407FPW prices will ultimately drop).
 

Velk

Senior member
Jul 29, 2004
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Originally posted by: Matthias99
Originally posted by: kabob983
I'm curious as well, is my X800 XT PE going to have the necessary inputs to run HDCP?

It's supposed to. This is more of a driver-level thing than needing some special hardware, since the card just needs to pass the encrypted signal out to the monitor. A device doesn't need to be capable of decrypting HDCP to pass it through.


I can't see how that would work - the video card needs the unencrypted stream to be able to gamma and scale it into an overlay window. So logically either the video card or the video card's drivers have to be doing a decrypt/encrypt step or playing HD content will always be full screen and be completely unadjustable AND the monitor will need a scaler.
 

Kabob

Lifer
Sep 5, 2004
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So if I bought a 2005/2405 right now instead of a 2007/2407 is the only thing I'll miss out on the ability to view HD content on Vista (and a slightly sharper/faster monitor)? How big of a deal is that anyways...
 

AWhackWhiteBoy

Golden Member
Mar 3, 2004
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Why in hell would you ever want to encrypt a video signal? More bandwidth? I thought DVI already had plenty of headroom?
 

Phantronius

Member
Dec 10, 2004
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Originally posted by: AWhackWhiteBoy
Why in hell would you ever want to encrypt a video signal? More bandwidth? I thought DVI already had plenty of headroom?

Copyright protection, or HDCP in this case. DVI actually maxes out at 1920x1200 for bandwith, hence why the 3007 needs a dual DVI connection. DVI will be replaced with a new connector soon which I forget its name.
 

AWhackWhiteBoy

Golden Member
Mar 3, 2004
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1920x1200 per channel though,right? I thought proper DVI cables had the ability to carry two signals of 1920x1200 as well as one RGB.
 

Phantronius

Member
Dec 10, 2004
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Yes, but the throughput is maxed on out at 1920x1080 on a single link DVI. So a 2405 at 1920x1200 in theory is transferring more data then DVI is specced to cary, hence why it may be causing the LAG people have been bitching about.

DVI specs
 

Looney

Lifer
Jun 13, 2000
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Originally posted by: AWhackWhiteBoy
Why in hell would you ever want to encrypt a video signal? More bandwidth? I thought DVI already had plenty of headroom?

Encrypted, not compressed. It's for content protection.
 

justlnluck

Senior member
Jul 13, 2004
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The 2405 has lag? I had never heard about this before. I am very interested in purchasing a 2407, but certainly don't want to buy a $1000 monitor if it has lag.
 

NeezyDeezy

Senior member
Oct 27, 2004
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lol there's no "lag" on a 2405fpw whatsoever unless there's something wrong with your setup or panel
 

justlnluck

Senior member
Jul 13, 2004
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Well I sincerely hope so!

So how many people are like me and anxiously awaiting news of the upcoming 2407?
 

Ronin

Diamond Member
Mar 3, 2001
4,563
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server.counter-strike.net
I'm anxiously waiting for Dell to get off their ass and put the inputs back on the 30" like they had on the 24". If they don't, I won't be interested in it, and I have multiple other options to view HD content (on a 70" TV, for example).
 

L00PY

Golden Member
Sep 14, 2001
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Actually, I believe HDCP just requires a handshake between the source and destination before HD content is allowed to transmit across the connection. That said, because the 2405FPW doesn't support HDCP, as I understand the spec, a Blu-ray or HD DVD player shouldn't allow HD content to play on it -- it should instead down-rez it.

And there isn't "lag" because of the DVI spec. When set to a high rez over DVI, you enable reduced blanking. CRTs require a delay for the electron stream to go from the last column to the first. LCDs don't need that delay and as such, can transmit more data over DVI than the VESA spec.
 

JBT

Lifer
Nov 28, 2001
12,094
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I personally don't really care about the 2407. HDCP isn't a big deal for me I VERY RARELY watch any HD content at all. (on my PC atleast) I am pretty sure most HD content will be reduce to 480p if the conent requires HDCP, on the 2405 anyways. I also have never experienced any lag with the 2405 atleast anything noticable.
 

Kabob

Lifer
Sep 5, 2004
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Yeah, I'm don't think that HDCP content is going to is going to be enough of a deal for me. And on a computer the difference between the normal resolution content on a 2405 and the HD content on the 2407 doesn't seem like it'd be all that big of a difference...
 

Acanthus

Lifer
Aug 28, 2001
19,915
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ostif.org
I still dont understand why content providers insist that the encryption be done between the display and pc.

What stopping a "rogue driver" from simulating this encryption anyway?
 

AWhackWhiteBoy

Golden Member
Mar 3, 2004
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It will take about a day for a geek to write up the code to go content to PC and record the signal, defeating its purpose. It just looks good on paper though when the big CEOs who have no clue about the actual product see steps being made to try and protect their investments.
 

Kabob

Lifer
Sep 5, 2004
15,248
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That's what I'm thinking...in the end I'll probably just stick with a 2405 unless it turns out that something on the 2407 that we didn't know about happens to be drastically better...
 

JBT

Lifer
Nov 28, 2001
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Originally posted by: AWhackWhiteBoy
It will take about a day for a geek to write up the code to go content to PC and record the signal, defeating its purpose. It just looks good on paper though when the big CEOs who have no clue about the actual product see steps being made to try and protect their investments.

pretty much exactly what is happening. This type of thing always gets cracked and there is nothing that will stop HDCP from being cracked either.
 

Ronin

Diamond Member
Mar 3, 2001
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server.counter-strike.net
Originally posted by: IceWindius
Originally posted by: justlnluck
The 2405 has lag? I had never heard about this before. I am very interested in purchasing a 2407, but certainly don't want to buy a $1000 monitor if it has lag.


Im afraid so

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Amazing how those guys are having a problem and none of us here are (I've had my 2405s for some time now and have no problems at all).

 

JackBurton

Lifer
Jul 18, 2000
15,993
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Originally posted by: Ronin
Originally posted by: IceWindius
Originally posted by: justlnluck
The 2405 has lag? I had never heard about this before. I am very interested in purchasing a 2407, but certainly don't want to buy a $1000 monitor if it has lag.


Im afraid so

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Amazing how those guys are having a problem and none of us here are (I've had my 2405s for some time now and have no problems at all).

Umm, if Ronin isn't having problems with lag on his crazy SLIed 512MB setup, I think you'll be fine with the 2405. ;)
 

Matthias99

Diamond Member
Oct 7, 2003
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Originally posted by: JBT
Originally posted by: AWhackWhiteBoy
It will take about a day for a geek to write up the code to go content to PC and record the signal, defeating its purpose. It just looks good on paper though when the big CEOs who have no clue about the actual product see steps being made to try and protect their investments.

pretty much exactly what is happening. This type of thing always gets cracked and there is nothing that will stop HDCP from being cracked either.

...except that it's actually secure. You'll note that WMV-HD cracks haven't exactly been forthcoming, either.

I still dont understand why content providers insist that the encryption be done between the display and pc.

Because if you don't have end-to-end encryption it's pretty trivial to capture the signal at the display end. You can get capture devices for unencrypted HD content; they're just too expensive for normal consumers.

What stopping a "rogue driver" from simulating this encryption anyway?

...and what's it going to do with the encrypted stream once it has it? Even if you can trick the Blu-Ray drive (or whatever device) into giving you the content, you have to understand the protocol (which isn't public) and have the encryption key (which is itself encrypted in a proprietary fashion) to actually access the content.