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Thread: Intel D945GCLF2 Dual-Core Atom

  1. #551
    Raw Wave treetop777's Avatar
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    "I was able to both 'mirror' display and [HL]'extend desktop' [/HL]display without difficulty"

    That's not possible (with this board)! Would love to be proven wrong tho'
    ****************************************
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  2. #552
    Variable Bitrate navputer's Avatar
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    Quote Originally Posted by smashing View Post
    Hi all - 1st post.

    This is a great thread and is the most active and informative discussion on the Intel Little Falls 2 I've found. Great stuff.

    I'm writing up a project on the Little Falls 2 mobo to show anyone how to build their own TV set-top box. Like many I was attracted by the low price, included Atom processor and S-Video / Composite video output. Like many I was disappointed to read about the problems many people have been having with the video.

    I've got some experience with video and have some good news to share. It appears that RCA-style composite video is coming out of the S-Video connector, in full colour and in full composite video quality (see below).



    What I suspect is the issue for many people is...

    a) a PAL v NTSC issue; or

    b) not having the right S-Video / RCA adapter

    I don't yet know for certain about the PAL v NTSC aspect but unless this board is somehow auto-detecting which standard your TV uses - which I don't see how is possible, the board can only be outputting its video signal in one of those two formats. Normally this would be the prevailing format in the country where you are located. If people are buying this from online retailers overseas, then you might run into a problem.

    However. It's also possible (and I intend to confirm this soon) that the motherboard is only shipping with NTSC output which would cause problems for people outside the USA who don't have a multi-sync PAL/NTSC TV. If you try to watch an NTSC signal on a PAL TV, it's possible it would come out in Black and White.

    Since this is the same possible symptom as using the wrong adapter, it would be easy to confuse the two.

    What I can tell you is that I am reliably getting good quality RCA composite video out of the D945GCLF2 using a simple in-line S-Video to RCA adapter (photo below). I'm using a UK sourced motherboard on a UK sourced Philips Ambilight TV which has both NTSC and PAL capability. Later this week I will try the board on a known PAL only TV via the RCA connector to determine if the board is in fact outputting NTSC.



    Furthermore, running Ubuntu 9.04 I had no problem running two separate displays, one on the TV output and one on a VGA monitor. I was able to both 'mirror' display and 'extend desktop' display without difficulty. I had the TV output running at 832x624 and the monitor running at 1360x768 in 'extend desktop' mode. I tried other variations too. There was some sluggishness but it worked.

    While I was doing research I did come across this S-Video / Composite adapter which may be worth trying for some people. I've ordered one to find out if it's any good and will let people know via this board.

    Finally two other potentially interesting tidbits...

    The video encoder on the motherboard is a Chrontel CH7201A chip. There's a Chrontel technical note (PDF) explaining why some PAL multisync TV's may have flickering issues with this board. I've had this problem myself watching Flash video and while this may be a red-herring (other reasons may be at play) it's worth noting.

    The main Chrontel Technical Spec (PDF) talks about a video bypass mode which suggests that if you set your display resolution to 858x525 (NTSC mobo) or 864x625 (PAL mobo), the video information will pass through the Chrontel chip with only minor colour space processing and no scaling or scan conversion, leaving the original resolution intact. This should in theory give the best possible picture quality. I've not tried it myself (yet) as these are not default available resolutions in Ubuntu and I need to bone up a bit on the Ubuntu side of things.

    Cheers and I look forward to contributing more.

    I am glad you posted this information. I have the same board and connected a s-video to rca adapter (like the one in the link) that I purchased from Fry's and only got a black/white picture. I tried changing from PAL to NTSC but it did not make a difference. I did not purchase another adapter but will be interested to know if the one in the link truely works (produces color picture).

    NOTE: I had a MII10000 board that produced a color picture using the same RCA cable into the board. So, I just purchased a s-video to rca adapter hoping it would work the same - not.
    Gee

  3. #553
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    Quote Originally Posted by treetop777 View Post
    "I was able to both 'mirror' display and [HL]'extend desktop' [/HL]display without difficulty"

    That's not possible (with this board)! Would love to be proven wrong tho'
    I was surprised too after reading other people's posts on this. I'll endeavour to make a video of it tomorrow.

  4. #554
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    Quote Originally Posted by treetop777 View Post
    "I was able to both 'mirror' display and [HL]'extend desktop' [/HL]display without difficulty"

    That's not possible (with this board)! Would love to be proven wrong tho'
    What you ment to say was: That used to be impossible with this board and MS Windows.
    Smashing is using Ubuntu, and that means other drivers ect.

    Henrik

  5. #555
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    Quote Originally Posted by treetop777 View Post
    That's not possible (with this board)! Would love to be proven wrong tho'
    Here's the video demonstrating dual screens...




  6. #556
    Variable Bitrate navputer's Avatar
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    Wow

    I saw the video and the split screens....great. The s-video to rca adapter (the one in the picture), where can you get that cable or did you test the one in the link posted?

    Also, will the split screen work with Windows XP Pro (you have different OS loaded) mentioned by others?
    Gee

  7. #557
    Variable Bitrate Deric's Avatar
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    I was having issues booting as well but with an Opus 120W. The board appeared to work fine with a standard ATX power supply so I thought the issue was my power supply. I even contacted Opus and they offered to customize the timing of the power supply with my motherboard. Before I could send the combo in the MB would stop posting on the Opus and desktop PSU. I sent the board back for RMA and the new board has worked flawlessly for the past few weeks.


    Quote Originally Posted by ckny View Post
    Hi guys,

    Sorry if this was addressed, I tried skimming through the 37 pages and searching the thread but couldn't find this issue. I put the board in my car and hooked it up with the M2-ATX. It was running fine. I have the bios set to power on with power or whatever, so it was staying on all the time. Then it stopped doing that, although I got the green LED on the mobo. Then I realized, I never put the turn on lead from the m2-atx to the mobo power lead. So I did that. Now it wouldn't turn on right away.

    I just tried it again. When I give the M2-ATX power, it turns on the car pc, it gets to the bios screen and then shuts off. It will keep doing this in a loop.

    Any ideas?

  8. #558
    Raw Wave treetop777's Avatar
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    Quote Originally Posted by smashing View Post
    Here's the video demonstrating dual screens...
    HOLY S***! I stand corrected.

    Do tell how it's done.
    ****************************************
    OLD SYSTEM (DEAD)
    Intel D945GCLF2 Dual Core ATOM
    Lilliput 7" 629GL 2008 LED Backlight
    BU-353 USB GPS Receiver / iGuidance / IGO8
    M2-ATX Power Supply
    RideRunner Front End / Various Skins
    Windows XP SP3

  9. #559
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    Quote Originally Posted by treetop777 View Post
    Do tell how it's done.
    I wish I could say it was something especially ingenious but the reality is... nothing terribly special.

    I installed the stock Ubuntu 9.04 Netbook edition. I chose the Netbook edition because it is targeted at Atom powered netbooks so I figured the driver support for the Little Falls 2 would be very good, and it mostly is. I did have the randomly scrolling / unwatchable TV out issue which I fixed by updating X Windows. I'm actually in the middle of writing instructions for this for my blog so here goes...

    Visit this page and click the 'Read about installing' link. You will be presented with detailed, well written instructions which guide you through the process of updating software from what's called a 'Personal Package Archive'. Basically this is where you tell Ubuntu about additional update locations that it needs to check when the Update Manager utility runs. There's an annoying step to do with PGP keys that is a little hairy but if you read the instructions carefully, use copy and paste for the Terminal command line instructions, you should be ok. Incidentally the information you need which is referred to by the instructions is on the page underneath the pop-up instructions.

    At the end, go to your Ubuntu desktop, click on 'Administration' and then 'Update Manager'. You will see new updates ready to install, including the new video drivers. Install all of them, reboot and you should have Ubuntu on your TV, sans rolling screen.


    After I did this I had decent output from the TV Out and was able to mirror the screen, change display resolutions etc. When I unchecked 'mirror screens'... it just worked.

    I don't know if it will work with XP, I haven't tried it, but I don't see why not. The board is clearly capable so it must simply be software and drivers. The only other thing I can think of is that there has been some kind of update to the board, but I doubt this. Next time I'm in the same location as the board I'll look to see if there are any giveaways for this (revision numbers or whatever).

    As for the question from Gee... I couldn't tell you where I got the S-Video / RCA Adapter I use in the video - have had it for years. The adapter which I linked to and which is on order has not arrived from the States yet. I'll be sure to post an update as soon as it does. At some point I'll also be trying XP on this board but am currently in no hurry ;-)

    Hope this helps.

  10. #560
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    For all of you who are having issues with composite out through s-video, THIS adapter works perfectly, like a charm, with the board. I'm using it for my CarPC as we speak. No color degradation or quality issues (as much as you can say about composite video). Yes, the output is full color, not BW. And it's only $5.

    http://www.parts-express.com/pe/show...TOKEN=97702564

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