Cambricon® MLU290-M5 Intelligent Accelerating Card Product Manual V0.2.
Cambricon® 1. Preface.............................................................................................................................................................. 1 1.1. Copyright Declaration ......................................................................................................................... 1 1.2. Version ..................................................................................................................................................... 2 1.3.
Cambricon® 1. Preface 1.1.
Cambricon® with a view to avoiding the default of the application or product. The fragility of customer product design can affect the quality and reliability of Cambricon products and lead to additional or different circumstances and/or requirements beyond the scope of this guide. Notice of Intellectual Property The Cambricon and Cambricon symbols are trademarks and/or registered trademarks of Cambricon Technologies Corporation Limited in the United States and other countries.
Cambricon® 2. Overview MLU290-M5 is the first high performance Intelligent Accelerating Card for cloud data center in cambricon, which provides excellent performance and energy efficiency ratio. At the same time it supports heavy tasks such as deep learning training, large-scale data analysis, artificial intelligence reasoning and so on. MLU290-M5 supports cambricon adaptive precision training and provides up to 512 TOPs INT8 hashrate to align the data accuracy of training and reasoning business.
Cambricon® 3. Product Specification Overview 3.1 Overview of Product Specification Parameters MLU290-M5 Intelligent Accelerating Card specification parameters are as follows: 1Table 3.
Cambricon® 3.2 Overview of structure specifications MLU290-M5 Intelligent Accelerating Card structure specifications: 2Table 3.2 MLU290-M5 Structure Specification Specification indicators Note Card shape 102 mm*165mm,OAM standard Card Weight 1.47 Kg Minimum chip pressure 30PSI Maximum chip pressure 60PSI Partner labelling area 16.1mm*40.2mm 3.3 Overview of Power Supply Specifications MLU290-M5 Intelligent Accelerating Card power specifications: 3Table 3.
Cambricon® 3.5 Overview of interface specifications MLU290-M5 Intelligent Accelerating Card interface specifications: Interface 5Table 3.
Cambricon® 4. Electrical specifications 4.1 Connector pin description MLU290-M5 Intelligent Accelerating Card using two 688-pin Molex Mirror Mezz snap connectors.The design impedance of the connector is 90Ω±5%, which can be compatible with both 85Ω and 100Ω protocols. The signal and power are connected to the main board through this connector, and the connector pin area is divided as follows: 1Figure 4.1 Connector pin area division The connector pins are shown in the following table: Signal 1Table 4.
Cambricon® coupling capacitor is placed near the fastener connector of the baseboard. The recommended capacitance value is 220 nF PCIE signal receiving. MLU290-M5 receive, baseboard send. Make sure that AC coupling PERp/n [15:0] I capacitor is placed near the sending chip or / fastener connector of the baseboard. The recommended capacitance value is 220 nF PE_REFCLKp/n I PCIE 100MHz reference clock PERST# I MLU290-M5 reset signal, low level effective 3.
Cambricon® SERDES_4Tp/n [15:0] O CCLINK4[15:0] transmit signal / SERDES_4Rp/n [15:0] I CCLINK4[15:0] receiving signal / SERDES_5Tp/n [7:0] O CCLINK5[7:0] transmit signal / SERDES_5Rp/n [7:0] I CCLINK5[7:0] receiving signal / SERDES_6Tp/n [15:0] O CCLINK6[15:0] transmit signal / SERDES_6Rp/n [15:0] I CCLINK6[15:0] receiving signal / SERDES_7Tp/n [15:8] O CCLINK7[15:8] transmit signal / SERDES_7Rp/n [15:8] I CCLINK7[15:8] receiving signal / AUX_156M_REFCLKp/n I CClink 156.
Cambricon® Note:connector signal pin list and pin map see attached document. 4.2 Power supply requirements 4.2.1 Input power supply MLU290-M5 Intelligent Accelerating Card input power requirements: 3Table 4.3 MLU290-M5 Input Power Specification Input voltage Input Current 54V±5% 6.48 A±5% Note: 1.The voltage value shall be the test value at the connector; 2.If the input voltage is low, the current value needs to be raised to meet TDP 350W specification; 4.2.
Cambricon® Fuse 20 Amp Littlfuse 456 54VDC In Hot Swap Mosfet 0.1uF MezzCard 47uF Qty=6 TVS GND Hot Swap Ckt 10uF Qty=10 GND 2Figure 4.2 HSC block diagram LM5069 and LM5066I of TI are recommended by the HSC controller.The selection of MOS should focus on SOA curve. Infineon IPB017N10N5LF and Nexperia PSMN4R8-100BSE are recommended. 4.2.
Cambricon® Frequency -- 100 156.25 400 MHz Frequency offset -- -100 -- 100 PPM Maximum voltage value -- -- -- 3.3 V Minimum voltage value -- GND -- -- V Differential swing -- 0.15 -- 1.3 V Duty cycle -- 45 50 55 % 12KHz –20MHz -- -- 270 fs RMS Phase noise jitter 4.3.2 PCIE signal MLU290-M5 Intelligent Accelerating Card supports PCIE GEN4.0 x16 bit width default.There is no AC coupling capacitor in MLU290-M5.
Cambricon® PE_REFCLKp/n 4.3.3 I PCIE 100MHz reference clock CCLINK signal CCLINK is an internal connection link between MLU290-M5 Intelligent Accelerating Cards.The maximum transmission rate of CCLINK can be 50 Gbps PAM4, which is compatible with OAM specifications. SERDE _[3：1]R/T[15:0],SERDE _5R/T[15:8] and SERDE _7R/T[7:0] are not used in MLU290-M5. The 48 pairs of serdes in the table below are used，which are compatible with combine topology.
Cambricon® Register definition 9Table 4.9 SMBUS Register description Reading Address and writing Note Card power consumption 0x01 RO Power consumption, float, unit W Card Temperature 0x02 RO Card temperature,float, unit ℃ Chip temperature 0x03 RO Chip temperature,float, unit ℃ power brake 0x05 WO Main frequency reduce to 25% of current value when write 0x04, and recover to the frequency before reducing when write 0x01.
Cambricon® 4.3.4.2 THERMTRIP# overtemperature alarm signal THERMTRIP# is triggered when MLU290-M5 chip junction temperature is over 100℃, which is irreversible after effective. It is recommended to trigger fan full speed when the chip temperature of MLU290-M5 is below 93℃, trigger power drop to 1/2 when chip temperature rises to 97℃, trigger power drop to 1/4 when chip temperature rises to 98℃ , trigger power drop to 1/8 when chip temperature rises to 99℃.
Cambricon® 4.3.4.4 Other configuration signals 11Table 4.11 Other configuration signals descriptions Direction of signal Signal description Signal MODULE_ID[4:0] I MLU290-M5 slot ID. MLU290-M5 internal default 10 K pull up LINK_CONFIG[4:0] I Serdes link configuration topology, MLU290M5 internal default 10 K pull up O PCIE interface bit width indication: MLU290-M5 default 00 00-1 x16( default) 01-2 x8 00-4 x4 00- Reserved PE_BIF[1:0] Support of PCIE port protocol: MLU290-M5 PLINK_CAP 4.3.4.
Cambricon® TEST_MODE# I Test mode.
Cambricon® 5. Heat dissipation specifications 5.1 Heat dissipation instructions MLU290-M5 Intelligent Accelerating Card adopts passive heat dissipation mode. 5.2 Maximum operating temperature Maximum operating temperature means the recommended maximum operating temperature (junction temperature Tj) of MLU290-M5. Junction temperature is obtained through the chip built-in temperature sensor at the software interface through instructions.
Cambricon® 5.5 Air inlet temperature requirements The required environment temperature of MLU290-M5 is 0-45 ℃ . The minimum air volume requirements of radiator under main temperature conditions is shown in the table below: 51Figure 1. Minimum air volume requirement VS Air inlet temperature table for MLU290-M5 Air inlet temperature (℃) Radiator Minimum Air Volume Requirements (CFM) 25 35 30 40 35 50 40 70 45 110 51Figure 1.
Cambricon® 6. Cambricon NeuWare development environment NeuWare fully supports various mainstream programming frameworks (e.g. TensorFlow 、Caffe 、 PyTorch and MXNet). Users can easily develop and deploy deep learning applications on cambricon MLU290-M5. At the same time, the NeuWare provides a complete runtime system and driver software to facilitate the rapid integration of the system. NeuWare also provides a range of tools including application development, function debugging, performance tuning, etc.
Cambricon® 7. Compliance MLU290-M5 Intelligent Accelerating Card is compliant with the regulations listed in this chapter. The compliance marks can be found on the labels of each devices. FCC statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
