{ "numMessagesInTopic": 5, "nextInTime": 1502, "senderId": "P3weVB050JqLED_Eb_i1IXx2jCKNblYLYqfegJngn282KNaEMuwCSAgbBnZFNByDNxxjhgwIrPOymnRfM_OcXfQtGiNFsOmzzCGV", "systemMessage": false, "subject": "Re: Problems with converter boxes", "from": ""yeangchng" <yeang_chng@...>", "authorName": "yeangchng", "msgSnippet": "True - probably is an easier way to do it. I was just thinking of the post from a few days ago that linked to a forum thread showing a way of modding it in", "msgId": 1501, "profile": "yeangchng", "topicId": 1496, "spamInfo": { "reason": "12", "isSpam": false }, "replyTo": "LIST", "userId": 39184597, "messageBody": "
>diferend
\n> For modding your 6800 to a 3400 or 4000,you must not using a
\n
> firmware,mostly it can be done with just using Rivaturner withNVStrap
\n
>lndocid=MIGR-
\n>
\n>
\n> --- In IBM_T2X_LCD@yahoogroups.com, "yeangchng" <yeang_chng@>
\n> wrote:
\n> >
\n> > Thanks for the suggestion. I'll give it a try on my 32-bit XP
\n> > system. Problem is, however, that 99% of my work (Photoshop and
\n> > Matlab) is done in XP x64 for memory space reasons, and I don't
\n> > thank that the 61.xx series is available for x64.
\n> >
\n> > If anyone has 61.xx drivers for x64 systems lying around, please
\n> let
\n> > me know - I'd love to have you eamil them to me.
\n> >
\n> > The other option that I'm seriously considering is to flash the
\n> BIOS
\n> > on my 6800 GTo's to Quadro FX3400 so that I can use the Quadro
\n> > drivers.
\n> >
\n> > Thoughts?
\n> >
\n> > Yeang
\n> >
\n> > --- In IBM_T2X_LCD@yahoogroups.com, "libert001" <starpicker@>
\n> > wrote:
\n> > >
\n> > > Why do you try not the 61.76 drivers,they are also special for
\n> the
\n> > > T221,i work on a FX4000 with no other.
\n> > >
\n> > > http://www-3.ibm.com/pc/support/site.wss/document.do?
\n
> > > 43943genuine
\n> > >
\n> > >
\n> > >
\n> > >
\n> > > --- In IBM_T2X_LCD@yahoogroups.com, "yeangchng" <yeang_chng@>
\n> > > wrote:
\n> > > >
\n> > > > Hi all,
\n> > > >
\n> > > > I spent a very frustrating evening yesterday trying to get 3-
\n> > stripe
\n> > > > 48Hz to work, and with a genuine IBM converter box to boot!
\n> > Things
\n> > > > that I found, in no particular order:
\n> > > >
\n> > > > 1) My homemade converter box was almost as good as the
\n
> > IBMrather
\n> > > > converter box in terms of the highest stable pixel clock
\n> > reached.
\n> > > > Homemade = 300 Mhz, IBM = 305 - 315Mhz.
\n> > > >
\n> > > > 2) The genuine IBM box, with the original IBM converter box
\n> (LFH-
\n> > > 60)
\n> > > > to monitor (LFH-60) cable, still could not reach the magic
\n> > 328Mhz
\n> > > > pixel clock rate needed for 48Hz 3-stripe mode. This is
\n
> > > > disturbing. I am suspecting a) the dual-link cable I amusing --
\n
>length,
\n> > it
\n> > > > is a expensive one from Gefen, 1-foot long to minimize
\n
> > butlink
\n> > > > has no ferrite inductor blocks on it, or b) the 6800GTo card
\n> > itself
\n> > > > may not be able to do much over 300Mhz pixel clock in dual
\n
> > > modefound
\n> > > > even though 180-190Mhz in single link is routinely achieved.
\n> > > >
\n> > > > 3) The Nvidia driver has a whole bunch of issues. I am still
\n> > using
\n> > > a
\n> > > > 77.xx or so, definintely not 80.xx Detonator driver b/c I
\n
> > > thatof),
\n> > > > the 80.xx drivers did not let me span a DG3 in 2-head mode.
\n> > > >
\n> > > > As I mentioned before, I got 3-stripe mode working (sort
\n
> atbooted
\n> > > > 42Hz, but only in DualView mode (ie. 2 separate monitors in
\n> > > windows,
\n> > > > 1 at 2624x2400 and 1 at 1216x2400). When I replaced the home-
\n> > made
\n> > > > converter box with the genuine one I got off eBay, and
\n
> > into3-
\n> > > > Windows, the 42Hz 3-stripe Dualview mode was still ok, as
\n> > expected.
\n> > > >
\n> > > > However after messing around with the driver settings in an
\n> > attempt
\n> > > > to get 48Hz 3-stripe to work, I could not get back to the
\n> stable
\n> > 3-
\n> > > > stripe 42Hz mode!
\n> > > >
\n> > > > 4) I tried to get dual-dual link to work after I gave up on
\n
> > > stripehooked
\n> > > > 48Hz at least for the evening. Setting the EDID to 5, I
\n
> > upmy
\n> > > > each converter box to a different 6800GTo card (I have 2 in
\n
> > > > machine). This is obviously different from Wilson who Ithink
\n
> > usedhalf
\n> > > a
\n> > > > Quadro with 2 dual-links on one card.
\n> > > > This did not work well at all -- I got 1 half of the monitor
\n> > > > displaying the expected 1920 x 2400 @ 48Hz, but the right
\n
> > ofbecause
\n> > > > the monitor was blank/black. Occasionally there would be a
\n> flash
\n> > of
\n> > > > something, but I can't be sure. This is disappointing
\n
> > theby
\n> > > > pixel clock needed for 1920x2400 @ 48Hz is easily achievable
\n
> > > boththe
\n> > > > converter boxes, it may again be a driver issue.
\n> > > >
\n> > > > I am sort of at a loss now, and was debating getting one of
\n
> > newthe
\n> > > > 7900GT gaming cards which have dual-dual link. But from the
\n> > recent
\n> > > > discussion stating that new Nvidia cards have problems with
\n
> > > T221mode
\n> > > > (probably from the drivers) I'm wary of even that!
\n> > > >
\n> > > > Again -- if there is anyone here who has gotten 3-stripe
\n
> tothe
\n> > > > work with a non-Quadro dual-link card please let me know.
\n> > > >
\n> > > > Also another question for Wilson and Flup: When you did get
\n> 48Hz
\n> > > > working, what kind of dual-link cable were you using from
\n
> > cardsystem.
\n> > > > to the converter box? This may be the weak link in my
\n
> > Does
\n> > > > IBM usually include a dual-link cable for that portion?
\n> > > >
\n> > > > Yeang
\n> > > >
\n> > >
\n> >
\n>