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docs(ai-stack): name the R580 driver branch for Volta/Pascal cards

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Confirmed via NVIDIA's own release notes: R580 is the last branch
adding Volta/Pascal support (through ~June 2028). Also flag the
proprietary-vs-open kernel module split, since -open only covers
Turing and newer and autoinstall could pick it on a newer distro.
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Claude
2026-08-22 03:52:39 +00:00
parent 503945e7c3
commit 7f23860078
1 changed files with 18 additions and 8 deletions
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services/ai-stack.md
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@@ -78,14 +78,24 @@ flash-attention-class kernel path.
| Maxwell (2014) | M40 / M60 24GB | 8-24GB GDDR5 | No | Impractical — SD1.5 only, very slow; no real FP16 tensor path | 7B-13B Q4 runs but slow | 7B-class coder models only — a novelty, not a daily driver | | Maxwell (2014) | M40 / M60 24GB | 8-24GB GDDR5 | No | Impractical — SD1.5 only, very slow; no real FP16 tensor path | 7B-13B Q4 runs but slow | 7B-class coder models only — a novelty, not a daily driver |
**CUDA 13 has already dropped Pascal/Volta** (this happened, it's not a future **CUDA 13 has already dropped Pascal/Volta** (this happened, it's not a future
warning anymore) — pin the host driver to an LTS/LTSB branch that still lists warning anymore) — but that's the *toolkit*, not the driver, and it doesn't
Volta as supported (check `ubuntu-drivers devices`' recommendation rather than block this stack: Docker GPU passthrough only needs the host *driver* to
blindly taking the newest branch) before relying on one of these cards. Docker recognize the card, since prebuilt inference images (Ollama, ComfyUI, etc.)
GPU passthrough only needs the host *driver* to recognize the card — prebuilt already bundle whatever CUDA runtime they need internally. The driver is the
inference images (Ollama, ComfyUI, etc.) already bundle whatever CUDA runtime part to get right. **NVIDIA has named R580 the last driver branch that adds
they need — so this is a driver-branch choice at install time, not something Volta/Pascal support** (P100/P40/V100 explicitly listed), supported into
`require_docker` pins for you (it installs Docker/Compose only; NVIDIA ~June 2028 — pin to R580 explicitly rather than trusting `ubuntu-drivers
driver + `nvidia-container-toolkit` are still on you to install first). autoinstall`'s default pick on a fresh/newer Ubuntu install, since a later
branch may no longer initialize these cards at all. Also confirm you land on
the **proprietary** driver package, not an `-open` one — NVIDIA's open-source
kernel modules only support Turing and newer, so Volta/Pascal *require* the
closed-source module; `ubuntu-drivers devices` should recommend the right one
for the card it detects, but double-check rather than assume on a distro
release that defaults newer GPUs to `-open`. None of this is something
`require_docker` handles — it installs Docker/Compose only; the NVIDIA
driver and `nvidia-container-toolkit` are still on you to install first,
and getting the driver branch right is what actually matters here, not the
Ubuntu version itself.
**Tesla-card power connector — don't assume standard PCIe.** V100/P100/P40/M40 **Tesla-card power connector — don't assume standard PCIe.** V100/P100/P40/M40
PCIe cards take an 8-pin **CPU/EPS12V** connector, not the 6+2-pin PCIe PCIe cards take an 8-pin **CPU/EPS12V** connector, not the 6+2-pin PCIe