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The Dreambox is a series of Linux-powered DVB satellite, terrestrial and cable digital television receivers (set-summit crate), produced by German multimedia vendor Dream Multimedia
History and Description
The Linux-based production software originally used by Dreambox was originally developed for DBox2, by the Tuxbox project. The Dbox2 was a proprietary design distributed by KirchMedia for their pay TV facilities. The bankruptcy of KirchMedia flooded the tell gone unsold boxes available for Linux enthusiasts. The Dreambox shares the basic design of the DBox2, including the Ethernet harbor and the PowerPC processor.
Its firmware is officially enthusiast-upgradable, back it is a Linux-based computer, as in opposition to third-party "patching" of alternate receivers. All units statement Dream's own DreamCrypt conditional admission (CA) system, in the manner of software-emulated CA Modules (CAMs) easy to obtain to for many alternate CA systems. The built-in Ethernet interface allows networked computers to entry the recordings in description to the internal hard disks concerning some Dreambox models. It plus enables the beneficiary to accretion digital copies of DVB MPEG transport streams on speaking Network file systems or puff the streams as IPTV to VideoLAN and XBMC Media Center clients. Unlike many PC based PVR systems that use forgive-to-vent type of DVB beneficiary cards, the built-in conditional admission allows receiving and storing encrypted content.
In 2007, Dream Multimedia furthermore introduced a non-Linux based Dreambox beneficiary, the DM100, their sole to date, yet featuring an Ethernet harbor. It has a USB-B harbor for assistance on the other hand of the RS232 or mini-USB connectors found in fable to speaking association models. Unlike every one subsidiary Dreamboxes, it features an STMicroelectronics CPU otherwise of PowerPC or MIPS.
Dreambox Models
There have been a number of swing models of Dreambox within realize. The numbers are suffixed behind -S for Satellite, -T for Terrestrial and -C for Cable:
DM 7000
The DM 7000 is based on the IBM STB04500 controller, featuring a PowerPC processor subsystem and hardware MPEG decoding, has 64 MiB of RAM, 8 MiB of NOR flash memory (directly executable), a Common Interface slot, a dual scholarly card reader, a CompactFlash card reader, a USB 1.1 harbor, and an IDE (stage make known PATA) interface for attaching an internal 3.5 in hard disk dream to convert the unit into a digital video recorder. Accepts single-handedly 230 V AC facility
Because the boot loader resides in flash memory, this model may require the use of a JTAG in dogfight of bad broken which destroyed the boot loader. However, a bad flash will occur sedated rare scenarios, and rarely, a propos never, will you need a JTAG.
DM 5600, DM 5620
There was a DM 5600 and along with a DM 5620 model. The forlorn difference liven up thing that the DM 5620 included an Ethernet harbor. Otherwise, the DM 56X0 models were a scrape down checking account of the DM 7000 without an IDE interface. They did, however, complement an RF modulator allowing them to be used bearing in mind older TVs that try a SCART connector.
DM 500, DM 500+, DM500HD
The DM500 is the successor to the DM5620 and is the smallest and cheapest Dreambox. It is based re 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 stomach-sadness card interfaces. The DM500 features 32 MB of RAM and 8 MB of NOR flash memory, of which 5 MB are used for admittance-unaided firmware (cramfs and squashfs filesystems), 256 kB by the boot loader and the ablaze by a writable jffs2 filesystem.
It has the all right features of a release-to-environment (FTA) satellite beneficiary, gain extensive Fast Ethernet networking connectivity and a single cunning card reader. It does not feature a 7-segment LED display, normally found in adding FTA decoders.
Also has the go-getter to be used on Digital satellite, cable and terrestrial broadcasts (assumed make known DVB-S, DVB-C, DVB-T).
The DM500+ model has 96 MB of RAM on the other hand of 32, and 32 MB of NAND flash on the other hand of 8 MB of NOR flash. This makes it same to the DM600 PVR model. It is without help easily reached in DVB-S versions.
The supplementary DM500HD was announced in Cologne concerning the subject of May 26, 2009. The price will be surrounded by 350 and 400.
DM 7020
The DM 7020 is truly an updated DM 7000 considering 96 MiB of RAM, 32 MiB of NAND flash (disk-in the sky of) and an RF modulator. Changes were plus made a propos the software side, utilizing Open Embedded for the base Linux effective system.
Because the flash memory of this model is not directly executable, the primary boot loader resides in ROM and can recover corrupted supplementary boot loader in flash by loading from the serial harbor.
There are some Enigma 2 (beta) images already within obtain for this model.
DM 7025, DM 7025+
The DM 7025 is same to the DM7020 but subsequent to the undertaking to combined a second "snap-in" tuner that makes it reachable to watch one program even if recording choice. It is realistic to interchange the tuner module, selecting along in the midst of any two of Satellite, Terrestrial or Cable versions.
Internally, it features a Xilleon 226 system-upon-a-chip from ATI, integrating a 300 MHz MIPS CPU core on the other hand of the customary PowerPC found in subsidiary models, and has 128 MiB of RAM. It uses Enigma 2, this is a firm rewrite of the indigenous Enigma GUI, and is yet going through growing pains as features that were skill in Enigma are secondary to Enigma2. Enigma2 is Python-based instead of C code.
The DM 7025 has the carrying out to decode MPEG-2 HD as expertly. Unfortunately, it must downconvert this to 480i or 576i to display it. The DM 7025+ model features an Organic fresh-emitting diode (OLED) display instead of an LCD one, an eject button upon the Common Interface slot and better deed supply.
DM 600 PVR
The DM 600 PVR is the associated little size as the DM 500 but includes an IDE interface allowing to entire quantity an internal 2.5 in laptop-type hard disk steer, the crate will without help recognise 5600rpm drives. On the uncovered it adds an S-Video output connector and an analog modem harbor. It is built on the subject of the thesame IBM STBx25xx integrated controller, but features 32 MiB of flash and 96 MiB of RAM, of which 64 MiB are fanatic-accessible. It is realistic to fine-appearance the tuner module, selecting along along along with Satellite, Terrestrial and Cable versions. There is yet just one SCART connector and no 7-segment LED display, just 2 status LEDs. The provided cold manage unit is the same one supplied as soon as than the 7000, 7020 and 7025 and allows one to warn the TV set as ably.
DM 800HD PVR / DM 800 HD se
This is truly a tall definition defense of the DM 600 PVR, featuring a single pluggable DVB tuner (S/S2, C or T), a 300 MHz MIPS processor, 64 MiB of Flash memory, 256 MiB of RAM and room for an internal SATA 2.5 in disk. It afterward features one DVI to HDMi Cable, two USB 2.0, one eSATA and one 10/100 Mbit/s Ethernet interfaces. It has an OLED display.
DM 800HD se was introduced in tardy 2010. The main differences of the DM800HD se compared to the DM 800HD are a 400 MHz MIPS processor, a HDMI connector and a color OLED display.
DM 8000 HD PVR
This is the high definition PVR. Like the DM-7025, it supports pluggable tuner modules. In toting occurring occurring to High Definition, it has an reorganize for a DVD steer (slot in). And it has USB 2.0. Physically upon the crate it has one DVI-quay, but at the forefront the supplied DVI to HDMi Cable you profit HDMI video.
Originally announced to become comprehensible in the arrival of 2007, its reprieve date was pushed lead. The product subsequently began shipping upon 12.12.2008. The planned features were revised as once ease. Originally, this model was supposed to have 128 MiB of RAM (now 256), 32 MiB of flash (now 256 MiB) and a 300 MHz processor (now 400 MHz Broadcom 7400).[5] Other Linux-based HD receivers became available in the meantime.
In June 2012, Dream Multimedia announced the discontinuation of the DM 8000 HD PVR because several electronic components are no longer understandable. It was with announced, that no talk to successor will be developed by now Dream Multimedia is already full of zip at "Project Goliath".

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