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09-26-2008, 03:42 AM
| | SatelliteGuys Regular | | Join Date: Mar 25th, 2005
Posts: 729
| | | Has anyone ever messed with DishLinux and/or tried modding a 721?
I'm curious why nobody's made a custom linux distro based off the linux that 721s and such DVRs that won't receive service soon anymore use.
That sounds like it'd be kinda fun. If all else, you could rig some stuff into the box, maybe make it a fancy Mp3 player or something. http://www.dishnetwork.com/content/o...de/index.shtml
I see a little something.. it'd be cool if those with 721s could bring new life to em!
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09-26-2008, 08:27 AM
|  | Total Perspective Vortex | | Pub Member / Supporter Join Date: Jul 4th, 2004 Location: Durham, NC
Posts: 763
| | Quote:
Originally Posted by OoTLink  I'm curious why nobody's made a custom linux distro based off the linux that 721s and such DVRs that won't receive service soon anymore use.
That sounds like it'd be kinda fun. If all else, you could rig some stuff into the box, maybe make it a fancy Mp3 player or something. DISH Network -- DVR Receivers
I see a little something.. it'd be cool if those with 721s could bring new life to em! | Interesting that they use xfs for the filesystem. Makes one wonder if the on-disk content is actually encrypted.
Ted
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09-26-2008, 10:46 AM
|  | SatelliteGuys Regular | | Join Date: Aug 23rd, 2007
Posts: 111
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Interesting that they use xfs for the filesystem. Makes one wonder if the on-disk content is actually encrypted.
| It is. The encryption is done by the Broadcom chip.
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09-26-2008, 10:49 AM
| | SatelliteGuys Regular | | Join Date: Jul 26th, 2007 Location: Alabama
Posts: 101
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How would one interact with the box to install the software?
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09-26-2008, 11:32 AM
|  | Banned | | Join Date: Oct 4th, 2003 Location: BA, CA
Posts: 8,688
| | Quote:
Originally Posted by kg4ozx How would one interact with the box to install the software? | Move the disk into Linux machine, mod SW - add telnet/ftp/etc and put it back.
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09-26-2008, 11:46 AM
| | SatelliteGuys Regular | | Join Date: Jul 26th, 2007 Location: Alabama
Posts: 101
| |  Guess I didn't think about taking the drive out of the box
This would be an interesting concept. If someone would write ( or has someone already written) an interface for linux that would make this a good multimedia box independent of the satellite service, but still remote control friendly. I guess you could also build it with the capability to have a USB keyboard/mouse and use it for a smokin' multimedia desktop machine. Could it be used for a video editing terminal?
Now you've got my imagination running. Too bad I don't have one of these boxes!
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09-26-2008, 12:06 PM
| | SatelliteGuys Regular | | Join Date: Feb 19th, 2008 Location: SWFL
Posts: 428
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To play with TiVo software you pull the drive out of the box, place it in a PC as a stand alone drive and boot up with Linux CD. From there you can tinker with it. There was not much of a need to tinker with the software, just transfer it to another larger hard drive. Or run "Bless TiVo" on an additional drive.
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09-26-2008, 03:05 PM
| | Banned | | Join Date: Oct 4th, 2003 Location: BA, CA
Posts: 8,688
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TiVo is forgiven for those mods, but Dish secured 721/921 - you must find a way to to accept your changed modules by 721 boot-loader.  |
09-26-2008, 04:19 PM
|  | Pub Member / Supporter | | Pub Member / Supporter Join Date: Sep 20th, 2005 Location: Bangor, ME USA
Posts: 1,079
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There's a lot of hash checking going on in the 721, and there's a new bootloader each time they've ever upgraded the software to match the hash of the new software updates. It also self-destructs and reloads on anything it doesn't like seeing.
People have hacked the boxes to get a web server on them before and things like that, but any information I've seen was pretty limited in abilities.
I believe It's just based around an off the shelf AMD Geode X86-ish processor. The Geode is basically a continuation of the platform that Cyrix made back in the day.
As it goes I'm rather disappointed my 721 I can't even use as a sat box anymore. I'm glad I have a spare 311 in case my 722 goes tits up.
__________________
Dish VIP722 w/ LG 42LG30 / Dish VIP211 w/ LG 42LC7D / VIP211 w/ Panasonic SD TV / DP34 (2) / Dish 500 (2) 61.5/110/119 / DVRAdvantage (Top250/DishHD/HBO/Starz/1 Penny Cinemax)
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09-26-2008, 05:33 PM
| | Banned | | Join Date: Oct 4th, 2003 Location: BA, CA
Posts: 8,688
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Nope, BL did not change long time ago [F052 ?] . It could be disastrous to change BL inside of this type of STB if the process would stuck ( no IEEE1149 port, BGA flash, etc ) at factory, I'm not telling about hobby.
With each new SW came special file what is taking care about verification of number and a content of modules.
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