| Bit | Comments | Condition | Meaning |
| #7 | Motor On (MO) | (Still active 1s or 2s after the bit busy is cleared) | 0: Motor off, 1: Motor on |
| #6 | Write Protect (WPRT) | (Updated after type 1 and write FdcCommands) | 0: Not protected, 1: Protected |
| #5 | Spin up sequence complete | After type 1 FdcCommands | 0: Non optimal rotation, 1: Optimal rotation |
| #5 | Record type | After a Read Sector command | 0: Normal data mark, 1: Cleared data mark |
| #4 | Record Not Found (RNF) error | - | 0: Ok, 1: RNF error |
| #3 | Cyclic Redundancy Check (CRC) error | - | 0: Ok, 1: CRC error |
| #2 | Track 00 | After type 1 FdcCommands | 0: Track <> 00, 1: Track 00 |
| #2 | Lost data | After type 2 or type 3 FdcCommands | 0: Ok, 1: Lost data |
| #1 | Index Pulse (IP) | After type 1 FdcCommands) | 0: No pulse met, 1: Index Pulse met |
| #1 | Data request | After type 2 or type 3 FdcCommands | 0: Not ready, 1: Ready for transfert |
| #0 | Busy | - | 0: command being executed, 1: command finished |