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7 Important Technology Information
Kontron User's Guide ETX CD 47
7.5.3 BIOS Settings
Feature Option Description
Active Trip Point
Disabled
15 C
23 C
…
55 C
63 C
…
119 C
This value controls the temperature of the
ACPI active trip point - the point in which
the OS will turn on the CPU fan (connector
on PCB). If DTS is enabled only values below
97°C are valid.
7.5.4 Electrical characteristics
Vcc = 5 V
Imax (continuous) = 0,68 A
Imax (pulsed) = 2 A
Sense (Tacho-pulse) = 4 Pulses per turn
Note: The 5 V output is not short circuit proof. The user has to ensure that the circuit is protected externally, for
example by a fuse on the backplane.