Stratix® 10 SEU Mitigation uses an external ROM for smh file storage, is there a dedicated pin?

There are no pins dedicated to ROM. The connection pins of the ROM where the .smh file is saved should be assigned to user pins.

Intel Stratix 10 SEU Mitigation User Guide

https://www.intel.com/content/www/us/en/programmable/documentation/sss1439970783924.html

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Category: Specifications 
Tools: Quartus® Prime 
Device: Stratix® 10