Boot a large-BAR datacenter GPU in a small OEM PC: enable a hidden Above 4G Decoding / Above 4GB MMIO setting via UEFI variables, with backups, dry-run and checksum-guard detection.
linux firmware gpu nvidia uefi homelab pcie e-waste right-to-repair efivarfs lenovo-thinkcentre local-ai bios-mod above-4g-decoding large-bar
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Updated
Oct 14, 2026 - Python