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6.1.4
Micro-SD Card Slot
The conga-PA5 provides a micro-SD card slot (X14). It complies with SDXC card specification 3.0 with support for up to 104 MB/s data rate.
Connector Type
X14: Micro-SD card slot
6.2
congatec Board Controller (cBC)
The conga-PA5 is equipped with a Texas Instruments Tiva™ TM4E1231H6ZRBI microcontroller. This onboard microcontroller plays an important
role for most of the congatec BIOS features. The cBC fully isolates some of the embedded features such as system monitoring, I²C bus from
the x86 core architecture. This improves performance and reliability, even during low power mode.
6.2.1
Fan Control
The congatec Board Controller on the conga-PA5 controls the power supply to the fan with the PWM signal. Additionally, there is an input
signal called FAN_TACHOIN that provides the ability to monitor the system's fan RPMs (revolutions per minute). This signal must receive two
pulses per revolution in order to produce an accurate reading. For this reason, a two pulse per revolution fan is recommended.
6.2.1.1
CPU Fan Header
The conga-PA5 provides a 3-pin 12V CPU fan header (X17). The recommended maximum power of the fan is 3W.
Table 27
X17 Pinout Description
Pin
1
2
3
Connector Type
X17: 3x1 pins, 2.54 mm pitch (Molex 22-27-2031); Possible Mating Connector: Molex 22-01-2025
Copyright © 2017 congatec GmbH
X14
Signal
GND
+12VDC (PWM gated to allow for variable speed)
FAN_TACHOIN
X17
1
2
3
PA50m112
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