MLU270-S Series Intelligent Processing Card User Manual V1.0.
Revision History Document Name MLU270-S Series Intelligent Processing Card User Manual Revision V1.0.0 Created Date 2019.08.20 Revision History 0 Date Revision No. Notes 2019.08.20 V1.0.0 First Release 1 2 3 4 5 Technical Supports contacts: service@cambricon.com www.cambricon.
1. Product Brief...................................................................................................................................4 2. Product Specifications...................................................................................................................6 2.1 Performance specifications.................................................................................................6 2.2 Software specifications.................................................................
1. Product Brief Figure.1 MLU270-S Series Intelligent Processing Card Specially designed MLU270-S series dedicated to AI inferences and data center accelerations with high EER (Energy Efficiency Rate) The SIYUAN 270 ASIC has been designed based on several innovative technologies in the architecture of processors owned by Cambricon.
for PCIe bandwidth, so as to increase the performances even more. Calculating flexibility and programmability SIYUAN 270 ASIC can provide supports to many kinds of Neural Networks. Cambricon NeuWare software stack can easily deploy inference environment.BANG Lang.CHENG environment can be directly customized for computing resources ，meeting all kinds of AI customization requirements,professional but not specialized.
2. Product Specifications 2.1 Performance specifications Table 1 MLU270-S Series Intelligent Processing Card Hardware Specifications Card Type MLU270-S4/V4/D4/S4K/V4K/D4K Processor Architecture Cambricon MLUv02 Core Clock MLU270-S4/V4/D4:1 GHz, MLU270-S4K/V4K/D4K:1.
Table 3 SMBUS Registers Reading Direction Bits Content MS 1 START MS 8 SLAVE ADDRESS（Write） SM 1 ACK MS 8 REGISTER ADDRESS SM 1 ACK MS 1 RE START MS 8 SLAVE ADDRESS（Read） SM 1 ACK SM 8 DATA[7:0] MS 1 ACK SM 8 DATA[15:8] MS 1 ACK SM 8 DATA[23:16] MS 1 ACK SM 8 DATA[31:24] MS 1 NACK MS 1 STOP Table 4 SMBUS Registers Description Registers Address ACCESS Description Total Card Power 0x01 RO Card Power consumption, Float Data, Unit W C
2.3 Operating Environment Table 5 MLU270-S Series Intelligent Processing Card Working Environment Operating Temperature 0℃～45°C Storage Temperature -40℃～75℃ Operating Humidity 5%—95% Relative Humidity Storage Humidity 5%—95% Relative Humidity 2.4 Mechanical Specifications Figure.
Figure.3 MLU270-S Series Intelligent Processing Card Dimensions (Low bracket) Package Size and Weight 2.5 Table 6 MLU270-S Series Package Size and Weight Type Weight Size Notes Single Card 310g 167.5mm*68.9mm*18.1mm NA Gift package with single card 760g 385mm*230mm*97mm Including gift package,MLU270 series card,standby panel,PE bag,desiccant Industrial Box 7.7kg 600mm*400mm*253mm 16 cards each box Gift Box 5.
Figure.4 MLU270-S System Pressure Drop Table 8 MLU270-S Heatsink Airflow Rate (CFM) Pressure Drop (mmAq) 3 5.1 3.5 7.0 4.3 10.5 5.4 16.6 6.7 25.6 8 36.5 2.6.
Figure.5 Airflow Directions Support 2.6.4 MLU270-S Series Operating Temperature and Airflow Requirements MLU270-S Series can support operating（TDP） at Temperature of 0-50 ℃ (Temperature at the entrance of heatsink). Refer to below table for more information about minimum Airflow requirement： Table 9 MLU270-S Temperature of Ambient vs Min Airflow Requirement Air Temperature at Min Airflow Requirements Card Inlet（℃） （CFM) 30 3 35 3.5 40 4.3 45 5.4 50 6.
2.6.5 MLU270-S Average Temperature of Inlet vs Min Airflow Requirement Figure.6 Air Inlet Temperature vs Min Airflow Requirement 2.7 Power Supplies Specifications Table 10Input Voltage Requirement Power Supply Min Normal Max PCIe edge connector（12V） 11.04V 12V 12.96V PCIe edge connector（3V3） 3.0V 3.3V 3.
3. Cambricon NeuWare Development Environment NeuWare can fully support all kinds of mainstream programming framework, such as TensorFlow, Caffe, PyTorch, MXNet and so on.With above mentioned Programming Frameworks, users can easily and conveniently develop and deploy their Deep Learning Applications on Cambricon MLU270-S Series Intelligent Processing Cards.At the same time, NeuWare provides complete runtime system and driver software to speed up the system integration procedure.
4. Compliance The MLU270-S Series is compliant with the regulations listed in this section. Compliance marks, including the FCC ID numbers, can be found on the labels of each devices. United States Federal Communications Commission (FCC) This device complies with Part 15 of the FCC Rules.
