Chenbro RM418 Series 6Gb/s 4-port 3.5 mini-SAS Backplane(80H10321516A1), For 8-bay 3.5 Hot-swap HDD Cage - Manual - Manual (Page 7)

4-Port 6Gb/s Mini-SAS Backplane 80H10321516A1
User’s Manual
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Pin Definition: SFF-8087 Mini-SAS 36-pin cable plug and receptacle connectors
Sideband Definition: The following table defines the SGPIO signal assignments for the Mini-SAS
receptacle connector
Pin Number Pin Signal
A8 Sideband 0 SClock
A9 Sideband 1 SLoad
A10 Sideband 2 Ground
B9 Sideband 3 Ground
B10 Sideband 4 SDataOut
B11 Sideband 5 SDataIn
A11 Sideband 6 Reserved
B8 Sideband 7 *SGPIO Enable / Disable
* The following table shows the SGPIO function which is related to the jumper setting of CN9 & CN10
connector.
CN9 CN10 SGPIO Pin B8 Signal
Close Close Enable HDD failure and activity signal via SGPIO Low
Close Open Enable HDD failure signal via SGPIO Low
Open Close Enable HDD activity signal via SGPIO Low
Open Open Disable HDD failure and activity signal via SGPIO High
A1
B1
A18
B18
A18
B18