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The card provides 4 DVI outputs or HDMI outputs via dongle and supports CrossFire configurations. The Radeon HD 2600 X2 is a dual-GPU product which includes 2 RV630 dies on a single PCB with a PCI-E bridge splitting the PCI-E Г—16 bandwidth into two groups of PCI-E Г—8 lanes (each 2.0В Gbit/s).

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Neither of the GDDR3 reference PCI-E designs required additional power connectors whereas the HD 2600 Pro and XT AGP variants required additional power through either 4-pin or 6-pin power connectors, Official claims state that the Radeon HD 2600 series consumes as little as 45В W of power. The Radeon HD 2600-series video cards included GDDR3 support, a 128-bit memory ring bus and 4-phase digital PWM, spanning a die size of 153В mm 2.

The Radeon HD 2600 series was based on the codenamed RV630 GPU and packed 390 million transistors on a 65В nm fabrication process.

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This device driver restriction has led to the development of a third party driver patch, 'ExDeus ATI HD Registry Tweak', to unlock the potential of HD 2400 Pro for full support of H.264/VC-1 hardware video decoding. As a result of such restriction, the card is not deemed very useful for hardware video decoding since the majority of the H.264/VC-1 videos on the net are not encoded in those formats (even though the hardware itself is fully capable of doing such decoding work). The device driver, even with the latest stable version, seem to only honor hardware decoding for formats specified in the Blu-ray and HD-DVD specification. Several reports from owners of HD 2400 Pro suggest the card do not fully support hardware decoding for all H.264/VC-1 videos. Those products were officially supported with the release of Catalyst 7.10 driver, which the cards were named as Radeon HD 2350 series. Reports has that the first batch of the RV610 core (silicon revision A12), only being released to system builders, has a bug that hindered the UVD from working properly, but other parts of the die operated normally. The core has 16В kiB unified vertex/texture cache away from dedicated vertex cache and L1/L2 texture cache used in higher end model. The official PCB design implements only a passive-cooling heatsink instead of a fan, and official claims of power consumption are as little as 35В W. The Radeon HD 2400 series used a 64-bit-wide memory bus. It had 180 million transistors on a 65В nm fabrication process. The Radeon HD 2400 series was based on the codenamed RV610 GPU. CrossFire efficiency was improved and shows performance approaching the theoretical maximum of twice the performance of a single card. ДЄll variants support CrossFireX technology. Audio is transmitted via DVI port, with specially designed DVI-to-HDMI dongle for HDMI output that carries both audio and video. HDMI was introduced, supporting display resolutions up to 1,920Г—1,080, with integrated HD audio controller with 5.1-channel LPCM and AC3 encoding support. Each DVI output includes dual-link HDCP encoder with on-chip decipher key. HDTV encoding support is implemented via the integrated AMD Xilleon encoder the companion Rage Theater chip used on the Radeon X1000 series was replaced with the digital Theater 200 chip, providing VIVO capabilities.ДЇor display outputs, all variants include two dual-link TMDS transmitters, except for HD 2400 and HD 3400, which include one single and one dual-link TMDS transmitters. The HD 2900 GPU dies do not have a UVD core, as its stream processors were powerful enough to handle most of the steps of video acceleration in its stead except for entropy decoding and bitstream processing which are left for the CPU to perform. The Unified Video Decoder (UVD) SIP core is on- die in the HD 2400 and the HD 2600. They all contain a GPU which implements TeraScale 1, ATI's first Unified shader model microarchitecture for PCs. This article is about all products under the brand 'Radeon HD 2000 Series'.

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5.2 Free and open-source graphics device driver 'Radeon'.

5.1 AMD's proprietary graphics device driver 'Catalyst'.