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+# POWER9 Support for Claude Code
+
+## Overview
+
+This document adds POWER9 (ppc64le) support to the claude-code-power8 project.
+
+## Hardware Compatibility
+
+### POWER9 Servers
+- **IBM AC922** (Tesla V100, Summit/Sierra supercomputers)
+- **IBM S914/S922/S924** (Enterprise servers)
+- **Talos II/POWER9** (Raptor Computing Systems)
+
+## Installation on POWER9
+
+```bash
+# Node.js 20.x for ppc64le
+wget https://nodejs.org/dist/v20.10.0/node-v20.10.0-linux-ppc64le.tar.xz
+tar -xf node-v20.10.0-linux-ppc64le.tar.xz
+export PATH=$HOME/node-v20.10.0-linux-ppc64le/bin:$PATH
+
+# Install Claude Code
+tar -xzf claude-code-2.0.70-ppc64le.tar.gz
+cd claude-code
+sudo npm install -g .
+```
+
+## Performance
+
+POWER9 vs POWER8:
+- ~20% better IPC
+- PCIe 4.0 (vs 3.0)
+- NVLink 2.0
+- Better memory bandwidth
+
+## Tested On
+
+- ✅ Raptor Talos II (POWER9, 32 threads)
+- ✅ IBM AC922 (POWER9, Tesla V100)
+
+---
+
+**Added by**: @Dlove123
+**Issue**: #25
+**Date**: 2026-03-24