{ "numMessagesInTopic": 4, "nextInTime": 1309, "senderId": "PX0zeibw0iz8GJwF-k1exd0qlhf8DCGnLKJJte4DLx699_POnWjEgFhMpnCQfn6OC0eMkUslFFZA-6_bQL7Y27Q4KGLJ1kq0J_ZlSQ", "systemMessage": false, "subject": "Re: [IBM_T2X_LCD] Video Card # of DVI ports: Question 2", "from": "David Evans <key-yahoo@...>", "authorName": "David Evans", "msgSnippet": "... Actually 33.722Hz is obtainable with 2 DVI ports. For most applications the is adequate. 33.722Hz is a vast improvement over even 25Hz as far as", "msgId": 1308, "profile": "makyen1", "topicId": 1304, "spamInfo": { "reason": "12", "isSpam": false }, "replyTo": "LIST", "userId": 159820010, "messageBody": "
> Q2 is...(well, before I ask the question, here's my intro to theActually 33.722Hz is obtainable with 2 DVI ports. For most applications
\n> question) If I understand Flup correctly I can get 25Hz with certain
\n> dual-DVI video cards
\n
\n
> (13Hz with one DVI connection would annoy me to17Hz can be obtained with 1 DVI port.
\n> no end, so it isn't an option).
\n
\n
> And I know the HR256 is the only videoThe HR256 that is intended to drive the T221 at full refresh using 4 DVI
\n> card that will run the monitor at full resolution with just two DVIs
\n> on that card, but the cost of that card is more than I am willing to
\n> pay especially since I want to run multiple VP2290b. It'd be very
\n> costly to buy HR256 cards. An HR256 comes up on ebay about once every
\n> other month for about half of retail, which is still a bit pricey.
\n
\n
>You may need the special version. I do not recall the actual
\n> I'm not sure how to ask this so I'll just say it like this...so if I
\n> want to get 41Hz then can I need the HR256 right?
\n
\n
> I don't think it isThe _ONLY_ way to get 41Hz 3840x2400 on the DG1 or DG3 is using 4 DVI
\n> possible to connect four DVI connections to the VP2290b right?
\n
\n
> Or evenThere is no mode on the DG1 or DG3 (VP2290b) that permits 3 DVI links to
\n> 3 (meaning 3 video cards with dual DVI ports could run two monitors
\n> with three DVI connections per monitor,
\n
\n
> or 4 video cards with dual DVIWithout additional, currently nonexistent, hardware you can not use the
\n> ports could run two monitors with four DVI connections per monitor.)
\n
\n
> For some reason I am thinking that it is only possible to run theYou can use 2 identical cables permitting you to drive the monitor with
\n> VP2290b with the cable set that it came with which is basically two
\n> DVI ports (and of course the usb thing for firmware upgrades).
\n
\n
> So2 DVI ports can get you 33.7Hz max. 3 DVI ports are useless for the
\n> quesiton number two is...basically, if I don't want to spend a zillion
\n> bucks on a bunch of HR256 video cards, then I am going to get 25Hz
\n> doing that EDID stuff that Flup mentioned earlier among other things?
\n> Or is it possible to get higher refresh rates using 3 or 4 DVI ports
\n> per monitor?
\n
\n
> Say I have three video cardsMy thought is that for each VP2290b that IBasically, yes, you will want one video card per monitor if you are not
\n> plan to run that I'll either run it at 25Hz using two DVI ports off a
\n> video card, so I'll need one video card for each monitor.
\n
\n