Product Manual

Cambricon ®
Copyright © 2020 Cambricon Corporation
13
5. Electrical specifications
5.1PCIE topology description
MLU-X1000 accelerator uses 2 miniSAS HD interfaces to connect with the host server, and there
are 2 PCIE switching chips to connect the PCIE devices inside.PCIE interconnection topology is
shown as follows:
Figure 5.1 PCIE Connection topology
PCIE signal rate is 16 Gbps, and the cable loss is controlled within 15 dB @8GHz. It is
recommended to use 1 meter cable with a diameter of 30 AWG.
The pins of the miniSAS HD connectors used by PCIE interfaces are defined as follows:
Table 5.1 PCIE Interface pin definition
miniSAS HD pin
Note
Pin internal processing