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Hi I recently designed an SLSC-type PCB and one of the boards isn't recognized once I power the chassis. So I started digging into the backplane signals and discovered a few in there that weren't intuitive as to their function.
So I found a disconnection between ED_SS# and my CPLD. Could this be the reason the chassis doesn't see my card? What is this signal used for?
Also what is INTIN_N and TRIGIN and TRIG OUT for? Is this documented anywhere?
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