Dreambox Digital Receivers Models History and Description

 

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Dreambox Digital Receivers

According to wikipedia The Dreambox is a series of Linux-powered DVB satellite, terrestrial and cable digital television receivers (set-top box), produced by German multimedia
vendor Dream Multimedia.

Dreambox Digital Receivers 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 services. The bankruptcy of KirchMedia flooded the market with unsold boxes available for Linux enthusiasts. The
Dreambox shares the basic design of the DBox2, including the Ethernet port and the PowerPC processor.
Its firmware is officially user-upgradable, since it is a Linux-based computer, as opposed to third-party “patching” of alternate receivers. All units
support Dream’s own DreamCrypt conditional access (CA) system, with software-emulated CA Modules (CAMs) available for many alternate CA systems. The built-in
Ethernet interface allows networked computers to access the recordings on the internal hard disks on some Dreambox models. It also enables the receiver to
store digital copies of DVB MPEG transport streams on Network file systems or broadcast the streams as IPTV to VideoLAN and XBMC Media Center clients. 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.
In 2007, Dream Multimedia also introduced a non-Linux based Dreambox receiver, the DM100, their sole to date, still featuring an Ethernet port. It has a
USB-B port for service instead of the RS232 or mini-USB connectors found on other models.[1] Unlike all other Dreamboxes, it features an STMicroelectronics
CPU instead of PowerPC or MIPS.

Dreambox Digital Receivers Models

DM 5600, DM 5620

220px-Dreambox5620_02

There was a DM 5600 and also a DM 5620 model. The only difference being that the DM 5620 included an Ethernet port. Otherwise, the DM 56X0 models were a cut
down version of the DM 7000 without an IDE interface. They did, however, include an RF modulator allowing them to be used with older TVs that lack a SCART
connector.

DM 500, DM 500+, DM500HD

220px-Ddreambox_500s
The DM500 is the successor to the DM5620 and is the smallest and cheapest Dreambox. 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 features
32 MB of RAM and 8 MB of NOR flash memory, of which 5 MB are used for read-only firmware (cramfs and squashfs filesystems), 256 kB by the boot loader and the
rest by a writable jffs2 filesystem.
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.
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 terrestrial broadcasts (also known as DVB-S, DVB-C, DVB-T).
The DM500+ model has 96 MB of RAM instead of 32, and 32 MB of NAND flash instead of 8 MB of NOR flash. This makes it similar to the DM600 PVR model. It is
only available in DVB-S versions.
The new DM500HD was announced in Cologne on May 26, 2009. The price will be between € 350 and € 400.

DM 7000

Dreambox_7000-S (1)

The DM 7000 is based around 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 smart card reader, a CompactFlash card reader, a USB 1.1 port, and an IDE (also known as
PATA) interface for attaching an internal 3.5 in hard disk drive to convert the unit into a digital video recorder. Accepts only 230 V AC power.[7] Because the boot loader resides in flash memory, this model may require the use of a JTAG in case of bad flashing which destroyed the boot loader. However, a
bad flash will occur under rare scenarios, and rarely, almost never, will you need a JTAG.

DM 7020

The DM 7020 is essentially an updated DM 7000 with 96 MiB of RAM, 32 MiB of NAND flash (disk-like) and an RF modulator. Changes were also made on the
software side, utilizing Open Embedded for the base Linux operating system.
Because the flash memory of this model is not directly executable, the primary boot loader resides in ROM and can recover corrupted secondary boot loader in
flash by loading from the serial port.
There are some Enigma 2 (beta) images already available for this model.

DM 800HD PVR / DM 800 HD se

220px-DM_8000_HD_PVR_-_021

This is essentially a high definition version 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 also 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 late 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 addition to High Definition, it has an upgrade for a DVD drive
(slot in). And it has USB 2.0. Physically on the box it has one DVI-port, but with the supplied DVI to HDMi Cable you get HDMI video.
Originally announced to become available in the beginning of 2007, its release date was pushed back. The product then began shipping on 12.12.2008. The
planned features were revised as well. 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).[8] Other Linux-based HD receivers became available in the meantime.[citation needed] In June 2012, Dream Multimedia announced the discontinuation of the DM 8000 HD PVR because several electronic components are no longer available.[9] It was
also announced, that no direct successor will be developed since Dream Multimedia is already working at “Project Goliath”.
References By :.  wikipedia

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Dreambox Digital Receivers Models History and Description

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