Fan Connector - Seco Qseven Q7-974 User Manual

3.2.2 FAN Connector

FAN Connector - CN2
Pin Signal
1 GND
2 FAN_POWER
3 FAN_TACHO_IN
Please refer to chapter 5.1 for considerations about thermal dissipation.
FAN_POWER: +5V_S derived power rail for FAN, managed by the embedded microcontroller via PWM signal.
FAN_TACHO_IN: tachometric input from the fan to the embedded microcontroller, +3.3V_S electrical level signal with 10kΩ pull-up resistor.
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3.2.3 Qseven Connector
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According to Qseven specifications, all interface signals are reported on the card edge connector, which is a 230-pin Card Edge that can be inserted into
standard 230 pin MXM connectors, as described in Qseven
Not all signals contemplated in Qseven
Therefore, please refer to the following table for a list of effective signals reported on MXM connector.
For accurate signals description, please consult the following paragraphs.
NOTE: Even pins are available on top side of CPU board; odd pins are available on bottom side of CPU board. Please refer to board photos.
BOTTOM SIDE
SIGNAL GROUP Type
PWR
GBE I/O
GBE I/O
GBE O
GBE I/O
GBE I/O
Q7-974
Q7-974 User Manual - Rev. First Edition: 0.1 - Last Edition: 2.3 - Author: S.B. - Reviewed by G.G. Copyright © 2017 SECO S.r.l.
Depending on the usage model of Q7-974, for critical applications/environments on the module itself it is available a 3-pin
dedicated connector for an external +5VDC FAN.
FAN Connector is a 3-pin single line SMT connector, type MOLEX 53261-0371 or equivalent, with pinout shown in
the table on the left.
Mating connector: MOLEX 51021-0300 receptacle with MOLEX 50079-8000 female crimp terminals.
Please be aware that the use of an external fan depends strongly on customer's application/installation.
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specifications.
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standard are implemented on MXM connector, due to the functionalities really implemented on Q7-974 CPU module.
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Qseven Golden Finger Connector - CN4
Pin name
GND
GBE_MDI3-
GBE_MDI3+
GBE_LINK100#
GBE_MDI1-
GBE_MDI1+
Pin nr. Pin nr. Pin name
1 2 GND
3 4 GBE_MDI2-
5 6 GBE_MDI2+
7 8 GBE_LINK1000#
9 10 GBE_MDI0-
11 12 GBE_MDI0+
TOP SIDE
Type SIGNAL GROUP
PWR
I/O GBE
I/O GBE
O GBE
I/O GBE
I/O GBE
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