DELL Precision T5400: pinout cables DELL JR004 (10PIN) and DELL JN454 (40PIN)

NetTomS2015

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Jul 29, 2015
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Hello everyone. I open this topic of conversation for an help on a motherboard DELL 0RW203, the name of the motherboard for workstation DELL Precision T5400. I'm trying to put this motherboard in PC non DELL. I need the name of the PINS of the two connectors that sending signals through two cables to the I/O front panel of the workstation DELL. I do not have this front panel I/O (DELL MM777). The two connectors using respectively the cables DELL JR004 (10PIN audio cable) and DELL JN454 (40PIN data cable). For the connector 40PIN (cable JN454) after some tests I was able to locate the two PINS for the power-on button of the motherboard (PINS 19-21). What are the PINS for then cable JR004 (10PIN audio cable)?
I have done much research on the Web, but I have not found the information. There are many models of workstations DELL, each one with different front panels and PINS for cable connections. Can anyone help me?
 

NetTomS2015

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Jul 29, 2015
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Here are pictures of the two connectors on the motherboard (40PIN data cable and 10PIN audio cable).

40PIN data cable
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10PIN audio cable
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The two connectors on the motherboard
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The motherboard DELL 0RW203 (DELL Precision T5400)
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A few frequenter of this forum came up with a good answer?
 

NetTomS2015

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Jul 29, 2015
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Find all pins trial is a complicated thing. The audio cable (YR004 - 10pins) transmits signals to headphone and microphone, while the data cable (JN454 - 40pins) transmits signals of two USB 2.0 ports and then pilot six LEDs for the status of the PC. It would require a "service manual" for Dell Precision T5400 but unfortunately there is nothing on the Internet :fou::??: