Question about IBM (02R4087) Motherboard
Its a special case, the connectors are above the 20pin main power cable.
the original ibm case would have a front panel connector that fits there, you have to use a screw driver, to find which of those pins turn the machine on and which reset it.
As for the leds, once you have found the power and reset, they will be on the remaining pins
use a flat metal screw driver to connect two pins for a second to find out which two will start up the machine.
here is a pin out from another ibm mainboard
the connector looks like the same on as on your machine but it might be different don't be afraid to use your screwdriver.
Posted on Nov 18, 2010
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Posted on Jan 02, 2017
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