A few Torx screws later, the logic board is free and exposes these chips on the top:

Apple A12 Bionic SoC—yep, the same chip from the 2018-era iPhones—paired with Micron MT53D384M64D4SB-046 XT:E 3 GB mobile LPDDR4 SDRAM memory

Apple APL1091 338S00673 power management IC

Broadcom BCM57762A0KMLG Gigabit Ethernet controller

Alpha & Omega Semiconductor AONE36196 MOSFET

T245 MrHP crystal oscillator

Lattice Semiconductor iCE5LP4K iCE field programmable gate array (FPGA)

Macronix MX25U8035F 8 Mb serial NOR flash memory