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Chenbro RM31408 3Gb/s 4-port 3.5 mini-SAS Backplane(80H102209-013) - Manual User Manual

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Chenbro SR209/105/107/108

4-Ports Mini-SAS Backplane User’s Manual

HDD Fail and

Activity

Functionality

supported

1. HDD activity LED source is selected by 2 x 5 pins

headers “jumper setting” for :

a. from pin 11 of HDD (As HDD support )

b. or external HBA Card by adapter wire

2. HDD Faulty LED “Red color”, Driven from RAID

HBA Card by bellowing interface required :

a. SGPIO : follow the SFF-8485 specification

b. Discrete : need one discrete cable (port to port)

connection only reserved for those RAID HBA

cards provides such interface

c. I2C : will be the “slave” design on the

backplane board, reserve 4 pins (CLK, D/A,

GND and +5V)

Connectors

1. SAS(15+7+7 pins) x 4( for HDD )

2. MINI-SAS Connector x 1(SFF-8087)

3. DC power connectors in big 4-pin D-type x 2

for +5V, +12V from power supply

4. Power alarm and mute connectors x 2

5. I2C Connector x 1

6. SGPIO Enable connector x 1

7. HDD Activity connector x 1

8. HDD Fail connector x 1

9. Fan (3P3C) connectors x 2

Above detail pin definition see below information

Dimension

107.8(L) x 114.8(W) x 2.4(H) mm

Material

FR4 4layer

http://www.chenbro.com

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