Supermicro 8042-6, User Manual

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Chapter 6: Advanced Chassis Setup
6-3
Figure 6-2. Control Panel PCB
Fan Headers: (Fan designations are provided on the PCB)
FAN1 cools the I/O section of the chassis
FAN2 cools the AGP Pro and memory areas
FAN3 directs cooling air to CPU1 and CPU2
FAN4 directs cooling air to CPU3 and CPU4
FAN5 + FAN6 are exhaust fans (FAN5 is on the right when viewed from
the rear)
Fan LEDs: The red LEDs by each fan header turn on when the fan it
corresponds to has failed.
J u m p e r s :
JP8 can be jumped to reset the microcontroller on the PCB.
JP11 can be jumped to lock the keyboard.
JP21 disables the power fail alarm if only two power supplies are used.
Headers:
JP10 connects to the SCA backplane to sense for overheating.