Instruction Manual

7
4Port Mini-SAS Backplane 80H10211203A0 ver. A0
User Manual
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Backplane layout
1. [CN011 / CN021 / CN031 / CN041]: Connect to 22-pin SATA-II or 29-pin SAS HDD
2. [LD011 / LD021 / LD031 / LD041]: Blue LED indicate HDD Power,
3. [LD012 / LD022 / LD032 / LD042]: Green LED indicate HDD activity, Red LED indicate HDD failure.
4. [CB1]: 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