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AMI Backplane Controllers

  • nvm express
  • nvm express
  • MG90XX Chip

Backplane Controller Product Matrix

The Backplane Controller series from AMI provide LED and sensor control for SAS/SATA/NVMe drives. They provide exceptional flexibility and require minimal board real estate, making them a perfect fit for numerous applications. A wide choice of reference designs and development tools are available, along with development boards to speed integration in specific OEM designs. AMI's Backplane Enclosure chips work with any HBA supporting SGPIO (SFF-8485) and/or SES-2 protocol over I2C. These Backplane Controllers can be flashed or upgraded via SMBus from the motherboard BMC, or USB, depending on the model.

Features

  • Low-cost, true single chip solution
  • Parts Ready to use No firmware or programming required
  • Supports LED/Drive Management through SGPIO (SFF-8485) and SES-2
  • Supports IBPI Specification (SFF-8489)
  • Can drive up to 3 LEDs per slot
  • Provides drive Activity, Fail/Rebuild and Locate LEDs for each drive
  • Up to 4 controllers can be cascaded to support up to 32 drives
  • Firmware Upgradable through SMBus from host BMC
  • Diagnostics and FW tools available for Win32, Win64, Linux, EFI and DOS
  • Available in QFN-64, TQFP-48 and LQFP-32 packages

Backplane Controller Product Matrix

The table below compares the key features of the MG90xx Backplane Controller series from AMI. For more detail on individual Backplane Controllers, see the individual MG90xx Backplane Controllers product page (by clicking the Backplane Controllers name) and download the Data Sheet for the full product specification.

Features

MG9098

MG9094

MG9081

MG9082

MG9085A

MG9087

Drives 8 NVMe/SAS/SATA 8 SAS/SATA 8 SAS/SATA 8 SAS/SATA 6 SAS/SATA 8 SAS/SATA
Ready LED Support Yes Yes Yes Yes Yes Yes
SGPIO Ports 2 2 2 2 1 2
SES-2 No No Yes No Yes Yes
Internal Voltage Regulator No Yes Yes No Yes Yes
Internal Crystal Yes Yes Yes Yes Yes Yes
Configurations 32 44 30 16 4 30
BMC Access through SMBus Yes Yes No Yes No Yes
PCIe Hot-plug SMBus support Yes No No No No No
IPMI No No Yes No No No
IBPI Yes Yes Yes Yes Yes Yes
Global Act & Fail LED No Yes Yes Global Act Only Yes Yes
USB No No Yes No Yes Yes
SAS Power Disable Yes No No No No No
NVMe/SAS Drive Detect Yes No No No No No
Package QFN-64 TQFP-48 TQFP-48 TQFP-48 LQFP-32 TQFP-48
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