docs(nh3-pve): record GPU-install post-boot state — RTX 2000E at 01:00.0, iGPU hidden by BIOS, uplink moved to enp2s0f1np1

servers/nh3-pve/README.md

@@ -48,7 +48,12 @@ not power back on by itself.
 - **Box:** Minisforum MS-01 ("Venus Series", BIOS `AHWSA.1.17`): the same model
   and BIOS as esh-pve. i9-13900H, X710 2×SFP+, I226-V + **I226-LM (vPro/AMT)**,
   one PCIe x16 slot (x8 electrical, low-profile, single-slot, slot power only).
-- **Uplink:** only `enp2s0f0np0` (SFP+ 10G) has a cable. The bridge carries the
+- **Uplink:** one SFP+ 10G port has a cable. Since the 2026-09-25 GPU install it
+  is **`enp2s0f1np1`** (MAC `…:96:0c`, PCI 03:00.1). Before that it was
+  `enp2s0f0np0` (`…:96:0b`), so the cable moved cages during the visit. The pin
+  follows MAC, so this is a physical move and not a rename. Both SFP+ ports are
+  vmbr0 members, so either cage works. **Never drop either port from the bridge**
+  without checking which one has carrier (`ip -br link`). The bridge carries the
   I226-V's MAC `…:96:0d` because it is the first port listed.
 - **AMT: NOT wired.** The AMT-capable I226-LM (`enp88s0`, MAC `58:47:ca:76:96:0e`)
   has no cable. The ME is present (`/dev/mei0`, "AMT SOL Redirection" 00:16.3), but
@@ -75,6 +80,16 @@ not power back on by itself.
 - **`enp88s0` (the AMT port) is no longer a vmbr0 bridge port** (file edited
   2026-09-25, effective next boot). STP is off, so bridging a second cabled uplink
   into the same L2 would loop the site LAN.
+- **GPU installed 2026-09-25: RTX 2000E Ada at `01:00.0`** (`10de:28b0`). The pins
+  held: the X710 moved to bus 03 and every NIC kept its name. No NVIDIA driver yet,
+  so `nouveau` binds it (`gsp ctor failed: -2` is expected without GSP firmware).
+  ⚠ **After the install the iGPU is gone from the PCI bus**: `00:02.0` enumerated on
+  the 2026-09-24 boot and is absent now, `/dev/dri` does not exist, and the RTX is
+  `boot_vga=1`. The BIOS's Auto primary display picked the PCIe card and hid the
+  iGPU, so the NanoKVM's iGPU-HDMI capture has no source. Fix: BIOS → Primary
+  Display = IGFX (or enable iGPU Multi-Monitor). Reaching the BIOS now needs a
+  display on the RTX's mini-DP, for example the NanoKVM through a mini-DP→HDMI
+  adapter. Verify with `lspci | grep 00:02.0` and `boot_vga` on `00:02.0`.
 
 ## Refresh state