| Attribute | Attribute ID Number | Attribute ID Number (Hex) | Pre-Failure/Advisory Bit |
| (status flags bit 0) | |||
| Read Error Rate | 1 | 1 | Set |
| Spin-up Time | 3 | 3 | Set |
| Start/Stop Count | 4 | 4 | Clear |
| Re-allocated Sector Count | 5 | 5 | Set |
| Seek Error Rate | 7 | 7 | Set |
| Power-on Hours Count | 9 | 9 | Clear |
| Spin-up Retry Count | 10 | A | Set |
| Drive Calibration Retry Count | 11 | B | Set |
| Drive Power Cycle Count | 12 | C | Clear |
| Emergency Retract Count | 192 | C0 | Clear |
| Load/Unload Count | 193 | C1 | Clear |
| HDA Temperature | 194 | C2 | Clear |
| Relocation Event Count | 196 | C4 | Clear |
| Current Pending Sector Count | 197 | C5 | Clear |
| Off-line Scan Uncorrectable Sector Count | 198 | C6 | Clear |
| Ultra DMA CRC Error Rate | 199 | C7 | Clear |
| Multi-zone Error Rate | 200 | C8 | Set |
Referenced from WDC Answer ID 1087
