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19
F an Interface
1 8 B
The coolMONSTER/PM is normally shipped with a CPU fan. If for any reason no CPU fan is mounted or a
different fan has to be used, use this interface to connect a fan to cool the CPU. The connector and
onboard system controller support speed monitoring of the fan. This connector supports 5V fans, only
19.1
C PU Fan Connector
8 5 B
The CPU fan interface is available on connector X24 (3 pins).
Notes: (*) To protect the external power lines of peripheral devices, make sure that:
-- the wires have the right diameter to withstand the maximum available current
-- the enclosure of the peripheral device fulfils the fire-protecting requirements of IEC/EN 60950.
For the location of the CPU fan connector see Appendix E: Connector Layout.
19.2
C PU Fan Configuration
8 6 B
You can set the active trip point to a value from 40°C up to 100°C in the ACPI Control submenu of the
BIOS Setup Utility. The fan will automatically turn on whenever this trip point temperature value is
reached. Setting this item to disabled means the fan will always run, except when the operating system
takes control over it.
Kontron User's Guide
coolMonster/PM
Header PinSignal Description
1
Sense
2
VCC *
3
GND
45
19 18BFan Interface
Function
Speed
Monitoring
+5V
Ground
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