Chenbro RM51424 3Gb/s 4-port 3.5 mini-SAS backplane (80H103215-013) Rev. A1 - Manual - Manual (Page 7)

4-Port Mini-SAS Backplane 80H103215-013 ver. A1~A1.1
User’s Manual
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(11) [CN1] : Mini-SAS connector
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
connector.
CN9 SGPIO Pin B8 Signal
Close Enable HDD failure signal via SGPIO Low
Open Disable HDD failure signal via SGPIO High
A1
B1
A18
B18
A18
B18