This practice may be illegal in some jurisdictions. Many Dreambox owners use these softcams in conjunction with card sharing software to access pay TV services without a subscription card inserted in every connected box. This configuration encourages enthusiasts to modify its functions, particularly in the form of so-called images such as PLi, View, Gemini, Neutrino, Colosseum.In addition, unofficial third-party conditional access software modules (CAMs or emulators) are widely circulated on the Internet that emulate the CA systems developed by VideoGuard, Irdeto Access, Conax, Nagravision, Viaccess and other proprietary vendors. The Dreambox shares the basic design of the DBox2, including the Ethernet port and the PowerPC processor.The factory-installed distribution on the Dreambox is mostly available under the GNU General Public License (GPL) and uses standard Linux API's, including Linux DVB API and Linux Infrared Remote Control ( LIRC). The bankruptcy of Kirch Media flooded the market with unsold boxes available for Linux enthusiasts. The Dbox2 was a proprietary design distributed by KirchMedia for their pay TV services. The Linux-based software used by Dreambox was originally developed for DBox2, by the Tuxbox project. They have a retail price approaching the one of non-Linux receivers, generally a fraction of the Dreambox 500 price.On April 2008, an unofficial firmware group called Gemini installed a time bomb in their firmware, causing flash corruption on clone DM500-S receivers. the Envision 500S (with 48 megabytes of RAM instead of 32, also available in a 500C cable version), the Eagle box or the Linbox 5558. It is only available in DVB-S versions.There also exist legal clones, built around the same commodity IBM SoC chip and hence having identical or slightly superior features but not sold under the Dreambox brand name, eg. This makes it similar to the DM600 PVR model. The DM500+ model has 96 MB of RAM instead of 32, and 32 MB of NAND flash instead of 8 of NOR flash. As a result, Dream Multimedia introduced the DM500+, with changes to try to prevent further counterfeiting. It does not feature a 7-segment LED display, normally found in other FTA decoders.Also has the ability to be used on Digital satellite, cable and terresteral broadcasts (also known as DVB-S, DVB-C,DVB-T).Counterfeit versions of the DM500-S are wide spread and are often sold at a price close to the original. It has the standard features of a free-to-air (FTA) satellite receiver, plus extensive Fast Ethernet networking connectivity and a single smart card reader. The DM500 features 32 MB of RAM and an unspecified amount of Flash memory, probably 8 MB, given that firmware images are about 5 MB. It is based around an IBM STBx25xx Digital Set-Top Box Integrated Controller, featuring notably a 252 MHz PowerPC processor subsystem, hardware MPEG 2 video and audio decoding and smart card interfaces. The DM500 is the successor to the DM5620 and is the smallest and cheapest Dreambox. The speed of the USB port is not specified, the manufacturer only says it is of "B" type, the one found on peripherals connected to PCs. Third-party software for this purpose is neither officially endorsed nor supported by Dream Multimedia and voids the official warranty however, unofficial web sites support a very large community of enthusiasts.In 2007, Dream Multimedia also introduced a non-Linux based Dreambox receiver, the DM100, their sole to date, running on unspecified hardware, but still featuring an Ethernet port and a USB port. Unlike many PC based PVR systems that use free-to-air type of DVB receiver cards, the built-in conditional access allows receiving and storing encrypted content.The combination of third-party developers and network connectivity which facilitates card sharing, makes Dreambox use particularly common among enthusiasts and those who intend to obtain services without payment. It also enables the receiver to store digital copies of DVB transport streams on networked filesystems or broadcast the streams as IPTV to VideoLAN clients. The built-in Ethernet interface allows networked computers to access the recordings on the internal hard disks on some Dreambox models. The Dreambox is based on the DBox2 units that were distributed by Kirch Media for its pay-TV services before its bankruptcy it uses the same Linux-based software originally developed for the DBox2. All units support Dream's own DreamCrypt conditional access (CA) system, with software-emulated CA Modules (CAMs) available for many alternate CA systems. Its firmware is officially user-upgradable, since it is a Linux-based computer, as opposed to third-party "patching" of alternate receivers. The Dreambox is a Linux-powered DVB satellite, terrestrial and cable digital television decoder ( set-top box), produced by German multimedia vendor Dream Multimedia.
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