Identifying the 'Unknown models'

[MuertoGB]

AAPJ1371.0058.B00:
Platform Data Region contains an 8-byte hexadecimal board-id of 7B A5 B2 D9 E4 2D DD 94 (Mac-7BA5B2D9E42DDD94) at 0x1064h, which identifies this a firmware for the iMacPro1,1 (5k, 27-inch Late 2017).

AAPLX589.0161.B00:
Platform Data Region contains an 8-byte hexadecimal board-id of CF 21 D1 35 A7 D3 4A A6 (Mac-CF21D135A7D34AA6) at 0x1064h, which identifies this a firmware for the iMac19,1 (27-inch Retina Early 2019).

I hope this helps clear up some questions.