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If I understand correctly, altremote_update core only preserves the following information across reconfiguration:
- cause of reconfiguration
- status of 2 previous application configurations (only CIII and Stratix III)
- reconfiguration page address (other than CIII and Stratix III)
On Cyclone III and Stratix III devices altremote_update core uses a boot address register in order to specify reconfiguration data location and you set it with the 'discard 2 lsb' procedure.
All other devices use the page mode and you can only select pages 000 to 111 binary.
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You probably mean CIII and CIV ? (not Stratix III)
Also note that using the registers with previous configuration states is a bit confusing. The boot address of the current image is for example read in the Previous State Register 2 (read_source=10b, param=100b)
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