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2020
congatec
AG
DSTXm10
20/75
4.1.3
CMOS Battery Connector
The conga-STX7 provides battery holder M20 for attaching CR2032 CMOS battery. The battery supplies power to maintain the CMOS settings
and real time clock.
Use jumper X31 to connect the RTC battery and jumper X49 to disconnect the RTC battery.
Table 6
X31/X49 Description
Jumper
Description
X31
Jumper connects RTC battery (default)
X49
Jumper disconnects the RTC battery
Warning
Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer.
Dispose of used batteries according to the manufacturer’s instructions.
Connector Type
X31, X49: 2.54mm, 1 x 2-pin header
4.1.4
Status LEDs
The table below describes the conga-STX7 status LEDs.
Table 7
Status LED Description
LED
Color
Status
Description
Power
All
Off
No power applied to board and BMC
BMC Heatbeat
D1
Green
On (blinking)
BMC activity is detected. In BMC normal operation, the LED blinks at an interval of 0.5 s.
Constant blinking indicates blank SPI ROM or abnormal operation.
Off
BMC is not active
HDD
D30
Yellow
On (blinking)
Disk activity detected
Off
No disk activity detected
M20
X31/X49
2
1