33 lines
2.0 KiB
Markdown
33 lines
2.0 KiB
Markdown
# `[2026-09-24]` pfi-gx10 "power on after AC loss" — UEFI patch applied, NOT validated
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pfi-gx10 (ASUS Ascent GX10, BIOS `GX10DGX.0105.2026.0505.1153`, no BMC) stayed
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off after the NH3 outage. With Prime's approval (after the permission
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classifier first refused it as externally-sourced firmware code), bytes 3–4
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of the 81-byte UEFI var `Setup-ec87d643-eba4-4bb5-a1e5-3f3e36b20da9` were
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changed `0x1d,0x00 → 0x1c,0x01` via `efivar -w`; readback shows exactly those
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two bytes changed. Recipe: community tool `Fheodoor01/DGX-Spark---Power-on-boot-`
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(diff-derived from a power-on unit vs a stay-off unit; author-verified on
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GX10DGX.0103/.0104). **Byte 3's meaning is unknown**; the resulting pair
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matches factory power-on units.
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**Original saved twice:** `/var/lib/efi-setup-backup/Setup-ec87d643-20260924-pre-poweron.bin`
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on the box and `servers/pfi-gx10/efi-Setup-ec87d643-20260924-pre-poweron.bin`
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(sha256 `6d6f6f77…`, raw incl. the 4-byte attr header). Revert procedure in
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`servers/pfi-gx10/README.md`. Commit `e5197a3`.
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⚠⚠ **An OS shutdown is NOT a test of this setting.** It means "start when
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power RETURNS after a cut"; a `poweroff` is supposed to stay off by design.
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The tool's README claims the two are indistinguishable — false here. I
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trusted it and ran two poweroff "tests" (1421, and 1435 after the reboot the
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README says the firmware needs); both stayed off, each costing Prime a trip to
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the button, and both prove nothing. Prime called it out directly.
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**Status:** the box is OFF (the 1435 shutdown) with the patch in place, and
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Prime left NH3. **He will pull and restore AC on 2026-09-25.** Comes up alone
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→ works; drop "NOT YET VALIDATED" from the README. Stays off → he presses the
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button, revert from the backup, and set it in firmware via a PiKVM (he intends
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to add one with ATX control, which also covers remote power-on regardless).
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**Validated 2026-09-25 (Prime, relayed by Miranda 1333):** Prime replugged AC and
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the box came up by itself at 1108:54 PT, with no button press. The patch works.
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