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5) SATA_SGP1 (SATA SGPIO Header)
SGPIO stands for Serial General Purpose Input/Output which is a 4-signal (or 4-wire) bus used between
a Host Bus Adapter (HBA) and a backplane. Out of the 4 signals, 3 are driven by the HBA and 1 is driven
by the backplane. Typically, the HBA is a storage controller located inside a server, desktop, rack or
workstation computer that interfaces with Hard disk drives (HDDs) to store and retrieve data.
6) BMC_SGPIO1 (BMC SGPIO Header)
Hardware Installation
Pin No. Definition
- 26 -
5
1
1
SDOUT
2
GND
3
SDIN
4
SLOAD
5
SCLK
7
1
Pin No. Definition
1
SDIN
2
GND
3
SDOUT
4
GND
5
SLOAD
6
GND
7
SCLK
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