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Official TiVo HD thread

Discussion in 'TiVo Series3 HDTV DVRs' started by MickeS, Jul 24, 2007.

  1. aus1ander

    aus1ander New Member

    516
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    Sep 17, 2004
    My cable company is sorta... fake? I live in one of those apartment complexes that subcontracts out cable delivery, so the "cable company" I have just resells satellite channels over a standard analog. They also offer satellite signal from a central dish for both Dish and Directv. So I'm sure they call themselves a "satellite reseller" and get a waiver from the cable card mandate. Either way, I get my HD channels OTA for free, with the exception of HBO, which I get from Dish Network (which I can't record with TiVoHD, but that doesn't really bother me since I tend to watch it live anyway).
     
  2. jmpage2

    jmpage2 New Member

    1,951
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    Jan 20, 2004
    If I buy one of these is it possible to go month to month on service to "try it out" and then once I am happy with it get the contract discount?

    I'm concerned about SDV but definitely tempted to take the plunge. Now I just need one of those $40 off Circuit City coupons I've been hearing about :)
     
  3. knownzero

    knownzero Seeker

    4,959
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    Feb 26, 2001
    Columbus OH
    I ordered my cablecards today from Insight. The rep on the phone (who was very nice!) had to put me on hold for a minute to check on the pricing (the first is free and the second is $1.99 if I keep my existing box). She asked if I was putting these in my TV's and I said no, it was for a Tivo HD and she says that they haven't done many of those but she was familiar with it. Hopefully that bodes well for the install on Monday. Also, since we're only talking about $1.99 extra a month, I'm going to keep the cable company DVR. It's not enough of a savings to get rid of it plus the thought of recording 4 HD streams at once gives me the warm and fuzzies. :D
     
  4. ZeoTiVo

    ZeoTiVo I can't explain

    25,527
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    Jan 2, 2004
    ah, Ok missed that part.

    yes you need to get a TiVo HD without service and then transfer the 3 yr comiyymnet off the HUMAX. That will keep the exact same terms as you have now on the HUMAX.

    I have not looked but my understanding is you have to get service as well when ordering from TiVo.com so Best BUy or Circuit City is the way to go. Then get the TSN oin the TiVo HD and go to the we b site- manage my account and switch out the TSN on the 3 yr contract.
     
  5. gbronzer

    gbronzer New Member

    29
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    May 19, 2006
    Huntersville...
    SUCCESS!!!

    I bought a TivoHD from BestBuy. Got it today, called Tivo and moved my grandfathered lifetime subscription from my old S1 to my new TivoHD. They knew exactly what I was talking about, and did it right away.

    Now for the hard part, dealing with the cable company.
     
  6. bareyb

    bareyb Under Maintenance TCF Club

    25,955
    8
    Dec 1, 2000
    Silicon Valley
    Hey you never know... A lot of folks get things working right off the bat these days. It's not nearly as hit and miss as it used to be. We will all keep our collective fingers crossed for you. Make sure they bring a couple extra cable cards and ask for a trained tech and not a contractor. Good luck. Can't wait to hear how you like it. :)
     
  7. megory

    megory Advanced TiVoOligan

    1,411
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    Jan 22, 2003
    BH, South...
    Heheh. I figured that you had missed it.

    My speaking of the convoluted TiVo billing was that I should be able to handle it all through TiVo, then they could get the profit of my and other sales. Instead, we must turn to skullduggery!

    Do you think I should or should not cancel my subscription before the end of month one, instead of relying on transferring service? Is there a reason to continue with this subscription that is better than getting a totally new service?
     
  8. megazone

    megazone Hardcore TiVo Geek

    3,302
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    Mar 3, 2002
    .worcester.m...
    Unless the FCC gives them a waiver - yes.

    But most small cable systems - like those that only serve one apartment complex, or one small town, etc - have waivers. The FCC didn't want to force them to make the major investments in new infrastructure as it would be an undue burden for small companies.

    The waivers expire eventually, and the generally idea is that these vendors will update over time as there is a natural hardware refresh process.
     
  9. megazone

    megazone Hardcore TiVo Geek

    3,302
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    Mar 3, 2002
    .worcester.m...
    ALL CableCARDs are bi-directional, always have been.

    It is the host device that determines if these features work. And the TiVo units do not support them, and likely never will. Today's standards require a heavy burden in hardware and software - DOCSIS modem, OCAP support - to support VOD/PPV.

    TiVo and the cable industry as supposedly working on a solution to handle SDV channels with today's hardware. SDV works very similarly to VOD/PPV, so it is possible that any such solution also would support those - but nothing is certain.
     
  10. megazone

    megazone Hardcore TiVo Geek

    3,302
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    Mar 3, 2002
    .worcester.m...
    TiVo pointed out to me that while the TiVo HD has 256MB of RAM for the main SoC, and the S3 had 128MB for the main SoC - the S3 had another bank of RAM dedicated to the separate decoder, and that is now part of the SoC on the HD. So they really just consolidated the chips and the RAM into one instead of two units. So it isn't really the same as having twice the memory.
     
  11. HDTiVo

    HDTiVo Not so Senior Member

    5,556
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    Nov 27, 2002
    So in simple terms, the Broadcom MPU is now also the decoder whereas there was a seperate Broadcom MPU and decoder chip in the S3?

    Wouldn't the unified memory offer more flexibility between RAM demands of the two functions? Would contention become an issue, even if it is all one chip now?
     
  12. megazone

    megazone Hardcore TiVo Geek

    3,302
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    Mar 3, 2002
    .worcester.m...
    Right, the 7401 replaces both the 7038 and 7411.

    Possibly, I don't know the implementation specifics of the chip.
     
  13. bkdtv

    bkdtv New Member

    7,902
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    Jan 9, 2003
    DC Metro Area
    The Series3 software only had access to 128Mb RAM.

    I guess the question here is how much memory does the decoder portion of the chip actually use on a consistent basis? And how much memory does the Tivo kernel report is available?
     
  14. stevereis

    stevereis New Member

    161
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    Feb 23, 2006
    DFW
    Memory bandwidth could certainly be an issue when decoding HD. Separate DRAMs for the System CPU and HD Decoder would simplify things but, but you've got to assume the new Broadcom chip was engineered from the ground up to handle HD decode and system functions. It's got to be a big cost savings to go from 2 complex devices and 2 pairs of DRAM to 1 CPU + 1 DRAM pair.
     
  15. stevereis

    stevereis New Member

    161
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    Feb 23, 2006
    DFW
  16. JamieP

    JamieP Member

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    Aug 2, 2004
    We'll know as soon as they release kernel sources. All the reserved memory pools are in a table there, at least for past platforms. For example, here's the reserved memory on an Series3:
    Code:
        { kTivoConfigContigmemRegion1, 0x00C00000 }, /*12.0MB */
        { kTivoConfigContigmemRegion2, 0x00200000 }, /* 2.0MB */
        { kTivoConfigContigmemRegion3, 0x00527000 }, /* 5280kB */
        { kTivoConfigContigmemRegion8, 0x04000000 }, /*64.0MB */
    The linux kernel on a Series3 sees only ~43M out of the 128M. The rest is used in memory regions for other hardware, and is not available to the kernel.

    If you pull the drive and look at the kernel log, you can verify it. You'll see a line like this near the start of the kernel boot:
    Code:
    <6>Memory: 42856k/131072k available (1289k kernel code, 88216k reserved, 63k data, 84k init, 0k highmem)
     
  17. netslacker

    netslacker New Member

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    Jul 25, 2007
    I have a TiVo account that is current / up to date on a series 2 and has a discounted month to month rate. Does anyone know if the discounted rate can be transfered onto a TiVo HD if I buy it from BB or CC?

    Rob
     
  18. bkdtv

    bkdtv New Member

    7,902
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    Jan 9, 2003
    DC Metro Area
    The BCM7038 DVR CPU in the Series3 was also a MPEG-2 decoder. In fact, current Motorola HDTV DVRs still use the BCM7038 exclusively without an extra decoder. The original DirecTivo HR10 HDTV DVR and older Dish Network HDTV DVRs did as well.

    In the Series3, Tivo added the BCM7411 (to the BCM7038) for MPEG-4 / VC-1 support, as did DirecTV in its HR20 DVR. It's not clear to me whether the Series3 actually uses the BCM7411 for decoding, or whether it sits 'unused' until we get MPEG-4 / VC-1 content via cable or TivoCast.

    The primary difference between the BCM7038 and the BCM7401 is the integrated MPEG-4 support, rendering a separate decoder for MPEG-4 unnecessary.
     
  19. clark_kent

    clark_kent Member

    118
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    May 6, 2007
    I started a thread (clearQAM troubles) but soon realized that this thread is where the best-of-the-best TiVo technical types are hanging out. I don't want to bore everyone here with what I already posted regarding my S3 clearQAM troubles, but hope you all pardon my re-posting my TiVoHD QAM related question here:

    From what I've read about the new TiVoHD, it has different QAM tuners, different tuner support chips, and maybe (probably?) different QAM tuning firmware then what the S3 has. My question for the best-of-the-best is: will the new TiVoHD fair better with clearQAM reception then the current S3?

    Thank you all for your comments.
     
  20. Bierboy

    Bierboy Seasoned gas passer

    12,346
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    Jun 12, 2004
    Quad Sillies
    If, by "discounted" you mean on the MSD, then, yes. If it's not attached to another TiVo, then you'd have to contact TiVo CS to find out. I'd guess 50-50.
     

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