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GA-7TCSV-RH Motherboard
13 ) SGPIO2
SGPIO is 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.
14/ 15/ 16/ 17/18/19 ) CPU_FAN1/2 / SYS_FAN1/2/3/4 (CPU fan / System fan cable
connectors)
The cooler fan power connector supplies a +12V power voltage via a 3-pin/4-pin(CPU_FAN) power
connector and possesses a foolproof connection design.
Most coolers are designed with color-coded power connector wires. A red power connector wire
indicates a positive connection and requires a +12V power voltage. The black connector wire is the
ground wire (GND).
Remember to connect the CPU/system fan cable to the CPU_FAN/SYS_FAN connector to prevent
CPU damage or system hanging caused by overheating.
SYS FAN2
SYS FAN1
SYS FAN3
SYS FAN4
Pin No.
1
2
1
3
4
5
6
7
8
CPU2 FAN
Pin No.
1
2
3
4
CPU1 FAN
2 0
Definition
DATAOUT
NC
DATAOUT
GND
GND
LOAD
NC
CLOCK
1
1
Definition
GND
12V
Sense
Control
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