GIGA-BYTE TECHNOLOGY MD50-LS0, User Manual

Page: 25 / 124

Hardware Installation - 25 -
15/16) SSATA_SGP/SATA_SGP (SATA SGPIO Headers)
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.
17/18) SAS_SGP1/SAS_SGP2 (SAS SGPIO Headers)
2
2
8
8
1
1
7
7
Pin No. Definition
1 DATAIN
2 No Pin
3 DATAOUT
4 GND
5 GND
6 LOAD
7 NC
8 CLOCK
Pin No. Definition
1 DATAIN
2 No Pin
3 DATAOUT
4 GND
5 GND
6 LOAD
7 NC
8 CLOCK
SAS_SGP2
SAS_SGP1
SSATA_SGP
SATA_SGP