Storage Backplane Optional - Chenbro RM245 Series User Manual

3-1 Storage Backplane Optional

RM245 supports below backplane.
12 x 3.5" Mini SAS HD active backplane
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12 x 3.5" Mini SAS HD passive backplane
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8 x 3.5" Mini SAS HD passive backplane
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2 x 2.5'' SAS/SATA backplane
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All available SAS/SATA compatible backplanes include the following common features:
12Gb/s SAS and 6Gb/s SAS/SATA
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29-pin SFF-8680 12Gb/s rated drive interface connectors, providing both power and I/O signals to attached devices
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Hot swap support for SAS/SATA devices
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I2C interface from a 4-pin connector for device status communication to the BMC over slave SMBus
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LEDs to indicate drive activity and status for each attached device
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Funct ional it y
The microcontroller has a master/slave I2C connection to the server board BMC. The microcontroller is not an IPMB compliant device.
The BMC will generate SEL events by monitoring registers on the HSBP microcontroller for DRIVE PRESENCE, FAULT, and RAID
REBUILD in progress.
RM245 Series
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