



 X8STi/X8STi-F/X8STi-3F/X8STi-LN4
X8STi/X8STi-F/X8STi-3F/X8STi-LN4
T-SGPIO  0/1 & 3-SGPIO  0/1 Headers
Two 
Pin Definitions
pose Input/Output) headers are located next to USB 6 and USB 7 connectors on the motherboard. Additionally, two 
Pin#
1
3
5
7
Definition
NC
Ground
Load
Clock
Pin
2
4
6
8
Definition
NC
DATA Out
Ground
NC
These headers are used to communicate with the enclosure management chip in the system. See the table on the right for pin definitions. Refer to the board layout below for the locations of the headers.
Alarm Reset
If three power supplies are installed and Alarm Reset (JAR) is connected, the sys- tem will notify you when any of the three power modules fail. Connect JAR to a 
NC: No Connections
| Alarm Reset | ||
| Pin Definitions | ||
| 
 | 
 | |
| Pin Setting | Definition | |
| 
 | 
 | |
| Pin 1 | 
 | Ground | 
| 
 | 
 | 
 | 
| Pin 2 | 
 | +5V | 
| 
 | 
 | 
 | 
A. 
B. 
D.
E.Alarm Reset
| NIC4 LED | 



 E
 E


 JBMC1
JBMC1
LSI 1068E
 D
D 















 A
 A



 C
C





| B |