In September we published details of Centerton products for microservers. Centerton parts are implemented as a System on a Chip (SoC), that combines dual-core Atom CPU with DDR3 memory controller and peripheral controllers, such as PCI Express 2.0, UART, and several others. The parts will be clocked at 1.6 GHz and 2 GHz, and they were scheduled to launch this quarter. Next quarter Intel is going to release Briarwood SoCs, aimed at SBB and SAN based storage devices. Briarwood products will share many features with the Centerton parts, however there will be a few important differences, such as additional on-chip components, and higher Thermal Design Power. Intel plans three Briarwood SKUs, S1269, S1279 and S1289, that will differ by performance, power consumption and price.
Briarwood SoCs will integrate two "Saltwell" Atom cores and a single-channel DDR3 memory controller. Atom cores will be clocked at 1.6 GHz on the S1269 and S1279 models, and at 2 GHz on the S1289 SKU. The cores will support Hyper-Threading and Virtualization technologies, and SIMD instructions up to SSE3. On-chip memory controller will support up to 8 GB of DDR3-1333 ECC memory. Some features, such as DDR scrambler and Memory scrubbing, will be incorporated directly into the memory controller. Another feature of Briarwood Atoms will be integrated quad-channel Crystal Beach DMA engine, which will support RAID 5, 6 and DIF. Integrated peripherals will include UART, SPI and SMBus controllers, legacy I/O components, and 32 lanes of PCI-e 2.0 on the S1269, or 40 lanes on the other two SKUs. Thermal Design Power of Briarwood SoCs will range from 11.7 Watt for the S1269, and up to 14.1 Watt for the S1289:
|Atom S1269||2||4||1.6 GHz||DDR3-1333||11.7 Watt|
|Atom S1279||2||4||1.6 GHz||DDR3-1333||13.1 Watt|
|Atom S1289||2||4||2 GHz||DDR3-1333||14.1 Watt|
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Sep 19, 2012: Specifications of "Centerton" Atom processors