2-30
X9DRG-HF/X9DRG-HTF Motherboard User’s Manual
Power SMB (I
2
C) Connectors
Power System Management Bus (I
2
C)
Connectors (JI
2
C1/JI
2
C2) monitor
power supply, fan and system tem-
peratures. See the table on the right
for pin definitions.
PWR SMB
Pin Definitions
Pin# Definition
1
Clock
2
Data
3
PWR Fail
4
Ground
5
+3.3V
A. T-SGPIO1
B. T-SGPIO2
C. T-SGPIOS
D.
JI
2
C1
E.
JI
2
C2
T-SGPIO1/2/-S Headers
Three SGPIO (Serial-Link General
Purpose Input/Output) headers (T-
SGPIO1/2, T-SGPIO-S) are located
on the motherboard. These head-
ers support Serial_Link interface for
onboard SATA connections. See the
table on the right for pin definitions.
Note:
NC= No Connection
T-SGPIO
Pin Definitions
Pin# Definition
Pin Definition
1
NC
2
NC
3
Ground
4
Data
5
Load
6
Ground
7
Clock
8
NC
A
B
C
D
E
