# Hardware Validation Matrix — Red Bear OS

| Component | QEMU | Bare Metal | Notes |
|-----------|------|------------|-------|
| **Storage** | | | |
| AHCI SATA | ✅ | 🔲 | NCQ structure present, not runtime-validated |
| NVMe | 🔲 | 🔲 | Basic driver, no multiqueue |
| virtio-blk | ✅ | N/A | QEMU only |
| **Network** | | | |
| e1000 | 🔲 | 🔲 | ITR structure present, no offload validation |
| rtl8168 | 🔲 | 🔲 | PHY config present, not runtime-tested |
| virtio-net | ✅ | N/A | QEMU only |
| **Audio** | | | |
| Intel HDA | 🔲 | 🔲 | Codec detection + jack sense added, not validated |
| AC97 | 🔲 | 🔲 | Basic driver |
| **Input** | | | |
| PS/2 | ✅ | 🔲 | QEMU keyboard/mouse work |
| USB HID | 🔲 | 🔲 | Hardened (P3), not validated on real HW |
| **GPU/Display** | | | |
| VESA | ✅ | 🔲 | QEMU framebuffer works |
| virtio-gpu | ✅ | N/A | 2D only, QEMU |
| **CPU/Power** | | | |
| cpufreqd | 🔲 | 🔲 | Governors implemented, not HW-validated |
| thermald | 🔲 | 🔲 | ACPI thermal zones, not HW-validated |
| **SMP** | | | |
| x2APIC/SMP | ✅ | ✅ | Multi-core works |

✅ = validated  🔲 = implemented, not validated  N/A = not applicable