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Hardware Installation - 28 -
17) IPMB1 (IPMB connector)
 
1 SCL
2 GND
3 SDA
3
1
18) SATA_SGPIO (SATA SGPIO Header)
SGPIO is stands for Serial General Purpose Input/Output which is a 4-signal (or 4-wire) bus used be-
tween 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.
8
2
7
1
 
1 SGPIO_SATA_DATAIN
2 No Pin
3 SGPIO_SATA_DATAOUT
4 GND
5 GND
6 SGPIO_SATA_LOAD
7 NC
8 SGPIO_SATA_CLOCK
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