Vig410P Motherboard Manual
31
Overheat LED/Fan Fail (JOH1)
The JOH1 header is used to connect an LED indicator to provide warnings of chassis
overheating or fan failure. This LED will blink when a fan failure occurs. Refer to the
table on right for pin definitions.
Power SMB (I
2
c) Connector
Power System Management Bus (I2C) Connector (JPI2C) monitors power supply, fan
and system temperatures. See the table on the right for pin definitions.
A-
OH LED
B-
PWR SMB
Figure 13:
Overheat LED/Fan Fail and SMB connectors