VR2-0479
① SA Source
- Source: 開啟完整 SA 文章
- Section:
Rack Level Infrastructure: Thermal - Line hint:
573
Context Before
Source: Vertiv
Evidence
The pressure envelope is expected to be unchanged versus GB200, with maximum operating pressure of 72 psig (5 bar) and minimum burst pressure of 217 psig (15 bar), aligning with OCP’s MGX rack-level liquid-cooling specification
Context After
Source: Nvidia VR NVL72 Component BoM and Power Budget Model ↗
② Atomic Claim
Pressure envelope 預期與 GB200 相同：maximum operating pressure 72 psig（5 bar）、minimum burst pressure 217 psig（15 bar），符合 OCP MGX rack-level liquid-cooling specification。
- Epistemic Mode:
EXPECTED - Mapping Status:
PARTIAL
③ Semantic Frame
{
"comparison_expression": "Pressure envelope 預期與 GB200 相同：maximum operating pressure 72 psig（5 bar）、minimum burst pressure 217 psig（15 bar），符合 OCP MGX rack-level liquid-cooling specification。",
"entities": [
{
"id": "04_knowledge_base/GB200",
"label": "GB200"
},
{
"id": "04_knowledge_base/OCP MGX rack-level liquid-cooling specification",
"label": "MGX rack-level liquid-cooling specification"
}
],
"frame_type": "COMPARISON",
"metric": "UNSPECIFIED_METRIC",
"operator": "EQUAL_TO",
"qualifiers": {
"condition_text": null,
"numeric_mentions": [
"72",
"5 b",
"217",
"15 b"
],
"temporal_mentions": []
}
}④ Canonical Entity Mapping
| Role | Surface Label | Canonical Target |
|---|---|---|
| comparison_entity_0 | GB200 | GB200 |
| comparison_entity_1 | MGX rack-level liquid-cooling specification | 04_knowledge_base/OCP MGX rack-level liquid-cooling specification |
⑤ Human Review
請在 Properties 逐項確認：
- 原文 → Atomic Claim 是否忠實
- Atomic Claim → Semantic Frame 是否忠實
- Canonical Entity mapping 是否正確
- Epistemic mode 是否保留原文語氣
- 最後選擇
review_action
Review state
Markdown 內文不是正式 approval。只有 Apply bridge 寫入的 Decision Ledger event 才是正式決策。