This is curious: nostr:npub1jmg8nl2p25ex6juc9m60lce0hfstsh86wxz69yqqx2f6s33n2ursrr26zh also has a SunRem 2MB card that hasn’t worked either. And combined with an Apple 512K card, was also able to produce an error 45. 

https://mastodon.social/@iconicbits/111131652337404316