AMI Backplane Controllers
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 selection of reference designs and development tools are available to help speed the design process. 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 MG9xxx Backplane Controller series from AMI. For more detail on individual Backplane Controllers, see the individual MG9xxx Backplane Controllers product page (by clicking the Backplane Controllers name) and download the Data Sheet for the full product specification.
| Features | MG9100 | MG9098 | MG9094 | MG9081 | MG9085A |
|---|---|---|---|---|---|
| Drives | 8 U.2/U.3 NVMe/SAS/SATA | 8 U.2 NVMe/SAS/SATA | 8 SAS/SATA | 8 SAS/SATA | 6 SAS/SATA |
| UBM Channels | Yes, 2/4 | No | No | No | No |
| PCIe Hot-plug SMBus support | Yes | Yes | No | No | No |
| VPP/SHP Platform Support | Yes | Yes | No | No | No |
| SAS Power Disable | Yes | Yes | No | No | No |
| NVMe/SAS Drive Detect | Yes | Yes | No | No | No |
| SGPIO Channels | 2 | 2 | 2 | 2 | 1 |
| SGPIO Configurations | 32 | 32 | 44 | 30 | 4 |
| SES-2 (Legacy I2C based) | No | No | No | Yes | Yes |
| BMC Access through SMBus | Yes | Yes | Yes | No | No |
| IPMI | No | No | No | Yes | No |
| IBPI | Yes | Yes | Yes | Yes | Yes |
| Ready LED Support | Yes | Yes | Yes | Yes | Yes |
| Global Act & Fail LED | Yes | Yes | Yes | Yes | Yes |
| USB | No | No | No | Yes | Yes |
| Internal Voltage Regulator | No | No | Yes | Yes | Yes |
| Internal Crystal | Yes | Yes | Yes | Yes | Yes |
| Package | QFN-64 | QFN-64 | TQFP-48 | TQFP-48 | LQFP-32 |