ATA Command Matrix
From OSDev Wiki
This information is current up to ACS-5, and includes obsolete commands from prior versions of the standard.
| Opcode | Name | Transfer | Parameters | Standard |
|---|---|---|---|---|
| 00 | NOP | none | 8-bit | ATA-1 to present |
| 01 | ||||
| 02 | ||||
| 03 | CFA REQUEST EXTENDED ERROR CODE | none | 8-bit | ATA-4 to present |
| 04 | ||||
| 05 | ||||
| 06 | DATA SET MANAGEMENT | DMA | 16-bit | ACS-2 to present |
| 07 | DATA SET MANAGEMENT XL | DMA | 16-bit | ACS-4 to present |
| 08 | DEVICE RESET | none | 8-bit | ATA-3 to ACS-3 |
| 09 | ||||
| 0A | ||||
| 0B | REQUEST SENSE DATA EXT | none | 16-bit | ACS-2 to present |
| 0C | ||||
| 0D | ||||
| 0E | ||||
| 0F | ||||
| 10 | RECALIBRATE | none | 8-bit | IBM PC/AT to ATA-3 |
| 11 | RECALIBRATE | none | 8-bit | IBM PC/AT to ATA-2 |
| 12 | GET PHYSICAL ELEMENT STATUS | DMA | 16-bit | ACS-4 to present |
| 12 | RECALIBRATE | none | 8-bit | IBM PC/AT to ATA-2 |
| 13 | RECALIBRATE | none | 8-bit | IBM PC/AT to ATA-2 |
| 14 | RECALIBRATE | none | 8-bit | IBM PC/AT to ATA-2 |
| 15 | RECALIBRATE | none | 8-bit | IBM PC/AT to ATA-2 |
| 16 | RECALIBRATE | none | 8-bit | IBM PC/AT to ATA-2 |
| 17 | RECALIBRATE | none | 8-bit | IBM PC/AT to ATA-2 |
| 18 | RECALIBRATE | none | 8-bit | IBM PC/AT to ATA-2 |
| 19 | RECALIBRATE | none | 8-bit | IBM PC/AT to ATA-2 |
| 1A | RECALIBRATE | none | 8-bit | IBM PC/AT to ATA-2 |
| 1B | RECALIBRATE | none | 8-bit | IBM PC/AT to ATA-2 |
| 1C | RECALIBRATE | none | 8-bit | IBM PC/AT to ATA-2 |
| 1D | RECALIBRATE | none | 8-bit | IBM PC/AT to ATA-2 |
| 1E | RECALIBRATE | none | 8-bit | IBM PC/AT to ATA-2 |
| 1F | RECALIBRATE | none | 8-bit | IBM PC/AT to ATA-2 |
| 20 | READ SECTOR(S) | PIO | 8-bit | IBM PC/AT to present |
| 21 | READ SECTOR(S) (without retry) | PIO | 8-bit | IBM PC/AT to ATA-4 |
| 22 | READ LONG | PIO | 8-bit | IBM PC/AT to ATA-3 |
| 23 | READ LONG (without retry) | PIO | 8-bit | IBM PC/AT to ATA-3 |
| 24 | READ SECTOR(S) EXT | PIO | 16-bit | ATA-6 to present |
| 25 | READ DMA EXT | DMA | 16-bit | ATA-6 to present |
| 26 | READ DMA QUEUED EXT | queued DMA | 16-bit | ATA-6 to ATA8-ACS |
| 27 | READ NATIVE MAX ADDRESS EXT | none | 16-bit | ATA-6 to ACS-2 |
| 28 | ||||
| 29 | READ MULTIPLE EXT | PIO | 16-bit | ATA-6 to ACS-3 |
| 2A | READ STREAM DMA EXT | DMA | 16-bit | ATA-7 to present |
| 2B | READ STREAM EXT | PIO | 16-bit | ATA-7 to present |
| 2C | ||||
| 2D | ||||
| 2E | ||||
| 2F | READ LOG EXT | PIO | 16-bit | ATA-6 to present |
| 30 | WRITE SECTOR(S) | PIO | 8-bit | IBM PC/AT to present |
| 31 | WRITE SECTOR(S) (without retry) | PIO | 8-bit | IBM PC/AT to ATA-4 |
| 32 | WRITE LONG | PIO | 8-bit | IBM PC/AT to ATA-3 |
| 33 | WRITE LONG (without retry) | PIO | 8-bit | IBM PC/AT to ATA-3 |
| 34 | WRITE SECTOR(S) EXT | PIO | 16-bit | ATA-6 to present |
| 35 | WRITE DMA EXT | DMA | 16-bit | ATA-6 to present |
| 36 | WRITE DMA QUEUED EXT | queued DMA | 16-bit | ATA-6 to ATA8-ACS |
| 37 | SET MAX ADDRESS EXT | none | 16-bit | ATA-6 to ACS-2 |
| 38 | CFA WRITE SECTORS WITHOUT ERASE | PIO | 8-bit | ATA-4 to present |
| 39 | WRITE MULTIPLE EXT | PIO | 16-bit | ATA-6 to ACS-3 |
| 3A | WRITE STREAM DMA EXT | DMA | 16-bit | ATA-7 to present |
| 3B | WRITE STREAM EXT | PIO | 16-bit | ATA-7 to present |
| 3C | WRITE VERIFY | PIO | 8-bit | ATA-1 to ATA-3 |
| 3D | WRITE DMA FUA EXT | DMA | 16-bit | ATA-7 to present |
| 3E | WRITE DMA QUEUED FUA EXT | queued DMA | 16-bit | ATA-7 to ATA8-ACS |
| 3F | WRITE LOG EXT | PIO | 16-bit | ATA-6 to present |
| 40 | READ VERIFY SECTOR(S) | none | 8-bit | IBM PC/AT to present |
| 41 | READ VERIFY SECTOR(S) (without retry) | none | 8-bit | IBM PC/AT to ATA-4 |
| 42 | READ VERIFY SECTOR(S) EXT | none | 16-bit | ATA-6 to present |
| 43 | ||||
| 44 | ZERO EXT | none | 16-bit | ACS-4 to present |
| 45 | WRITE UNCORRECTABLE EXT | none | 16-bit | ATA8-ACS to present |
| 46 | ||||
| 47 | READ LOG DMA EXT | DMA | 16-bit | ATA8-ACS to present |
| 48 | ||||
| 49 | ||||
| 4A | ZAC Management In | DMA | 16-bit | ACS-4 to present |
| 4B | ||||
| 4C | ||||
| 4D | ||||
| 4E | ||||
| 4F | ||||
| 50 | FORMAT TRACK | PIO | 8-bit | IBM PC/AT to ATA-3 |
| 51 | CONFIGURE STREAM | none | 16-bit | ATA-7 to present |
| 52 | ||||
| 53 | ||||
| 54 | ||||
| 55 | ||||
| 56 | ||||
| 57 | WRITE LOG DMA EXT | DMA | 16-bit | ATA8-ACS to present |
| 58 | ||||
| 59 | ||||
| 5A | ||||
| 5B | TRUSTED NON-DATA | none | 8-bit | ACS-2 to present |
| 5C | TRUSTED RECEIVE | PIO | 8-bit | ATA8-ACS to present |
| 5D | TRUSTED RECEIVE DMA | DMA | 8-bit | ATA8-ACS to present |
| 5E | TRUSTED SEND | PIO | 8-bit | ATA8-ACS to present |
| 5F | TRUSTED SEND DMA | DMA | 8-bit | ATA8-ACS to present |
| 60 | READ FPDMA QUEUED | queued DMA | 16-bit | ATA8-ACS to present |
| 61 | WRITE FPDMA QUEUED | queued DMA | 16-bit | ATA8-ACS to present |
| 62 | ||||
| 63 | NCQ NON-DATA | none | 16-bit | ACS-3 to present |
| 64 | SEND FPDMA QUEUED | queued DMA | 16-bit | ACS-3 to present |
| 65 | RECEIVE FPDMA QUEUED | queued DMA | 16-bit | ACS-3 to present |
| 66 | ||||
| 67 | ||||
| 68 | ||||
| 69 | ||||
| 6A | ||||
| 6B | ||||
| 6C | ||||
| 6D | ||||
| 6E | ||||
| 6F | ||||
| 70 | SEEK | none | 8-bit | IBM PC/AT to ATA-6 |
| 71 | SEEK | none | 8-bit | IBM PC/AT to ATA-2 |
| 72 | SEEK | none | 8-bit | IBM PC/AT to ATA-2 |
| 73 | SEEK | none | 8-bit | IBM PC/AT to ATA-2 |
| 74 | SEEK | none | 8-bit | IBM PC/AT to ATA-2 |
| 75 | SEEK | none | 8-bit | IBM PC/AT to ATA-2 |
| 76 | SEEK | none | 8-bit | IBM PC/AT to ATA-2 |
| 77 | SET DATE & TIME EXT | none | 16-bit | ACS-3 to present |
| 77 | SEEK | none | 8-bit | IBM PC/AT to ATA-2 |
| 78 | ACCESSIBLE MAX ADDRESS CONFIGURATION | none | 16-bit | ACS-3 to present |
| 78 | SEEK | none | 8-bit | IBM PC/AT to ATA-2 |
| 79 | SEEK | none | 8-bit | IBM PC/AT to ATA-2 |
| 7A | SEEK | none | 8-bit | IBM PC/AT to ATA-2 |
| 7B | SEEK | none | 8-bit | IBM PC/AT to ATA-2 |
| 7C | REMOVE ELEMENT AND TRUNCATE | none | 16-bit | ACS-4 to present |
| 7C | SEEK | none | 8-bit | IBM PC/AT to ATA-2 |
| 7D | RESTORE ELEMENTS AND REBUILD | none | 16-bit | ACS-5 to present |
| 7D | SEEK | none | 8-bit | IBM PC/AT to ATA-2 |
| 7E | REMOVE ELEMENT AND MODIFY ZONES | none | 16-bit | ACS-5 to present |
| 7E | SEEK | none | 8-bit | IBM PC/AT to ATA-2 |
| 7F | SEEK | none | 8-bit | IBM PC/AT to ATA-2 |
| 80 | Vendor Specific | |||
| 81 | Vendor Specific | |||
| 82 | Vendor Specific | |||
| 83 | Vendor Specific | |||
| 84 | Vendor Specific | |||
| 85 | Vendor Specific | |||
| 86 | Vendor Specific | |||
| 87 | CFA TRANSLATE SECTOR | PIO | 8-bit | ATA-4 to present |
| 88 | Vendor Specific | |||
| 89 | Vendor Specific | |||
| 8A | Vendor Specific | |||
| 8B | Vendor Specific | |||
| 8C | Vendor Specific | |||
| 8D | Vendor Specific | |||
| 8E | Vendor Specific | |||
| 8F | Vendor Specific | |||
| 90 | EXECUTE DEVICE DIAGNOSTIC | none | 8-bit | IBM PC/AT to present |
| 91 | INITIALIZE DEVICE PARAMETERS | none | 8-bit | IBM PC/AT to ATA-5 |
| 92 | DOWNLOAD MICROCODE | PIO | 8-bit | ATA-2 to present |
| 93 | DOWNLOAD MICROCODE DMA | DMA | 8-bit | ACS-2 to present |
| 94 | STANDBY IMMEDIATE | none | 8-bit | ATA-1 to ATA-3 |
| 95 | IDLE IMMEDIATE | none | 8-bit | ATA-1 to ATA-3 |
| 96 | MUTATE EXT | none | 16-bit | ACS-5 to present |
| 96 | STANDBY | none | 8-bit | ATA-1 to ATA-3 |
| 97 | IDLE | none | 8-bit | ATA-1 to ATA-3 |
| 98 | CHECK POWER MODE | none | 8-bit | ATA-1 to ATA-3 |
| 99 | SLEEP | none | 8-bit | ATA-1 to ATA-3 |
| 9A | Vendor Specific | |||
| 9B | ||||
| 9C | ||||
| 9D | ||||
| 9E | ||||
| 9F | ZAC Management Out | DMA | 16-bit | ACS-4 to present |
| A0 | PACKET | packet | 8-bit | ATA-3 to ACS-3 |
| A1 | IDENTIFY PACKET DEVICE | PIO | 8-bit | ATA-3 to ACS-3 |
| A2 | SERVICE | varies | 8-bit | ATA-3 to ATA8-ACS |
| A3 | ||||
| A4 | ||||
| A5 | ||||
| A6 | ||||
| A7 | ||||
| A8 | ||||
| A9 | ||||
| AA | ||||
| AB | ||||
| AC | ||||
| AD | ||||
| AE | ||||
| AF | ||||
| B0 | SMART | PIO | 8-bit | ATA-3 to present |
| B1 | Device Configuration Overlay | PIO | 8-bit | ATA-6 to ACS-2 |
| B2 | SET SECTOR CONFIGURATON EXT | none | 16-bit | ACS-4 to present |
| B3 | ||||
| B4 | Sanitize Device | none | 16-bit | ACS-2 to present |
| B5 | ||||
| B6 | NV Cache | DMA | 16-bit | ATA8-ACS to ACS-2 |
| B7 | Reserved for CFA | |||
| B8 | Reserved for CFA | |||
| B9 | Reserved for CFA | |||
| BA | Reserved for CFA | |||
| BB | Reserved for CFA | |||
| BC | ||||
| BD | ||||
| BE | ||||
| BF | ||||
| C0 | CFA ERASE SECTORS | none | 8-bit | ATA-4 to ACS-2 |
| C1 | Vendor Specific | |||
| C2 | Vendor Specific | |||
| C3 | Vendor Specific | |||
| C4 | READ MULTIPLE | PIO | 8-bit | ATA-1 to ACS-3 |
| C5 | WRITE MULTIPLE | PIO | 8-bit | ATA-1 to ACS-3 |
| C6 | SET MULTIPLE MODE | none | 8-bit | ATA-1 to ACS-3 |
| C7 | READ DMA QUEUED | queued DMA | 8-bit | ATA-4 to ATA8-ACS |
| C8 | READ DMA | DMA | 8-bit | ATA-1 to present |
| C9 | READ DMA (without retry) | DMA | 8-bit | ATA-1 to ATA-4 |
| CA | WRITE DMA | DMA | 8-bit | ATA-1 to present |
| CB | WRITE DMA (without retry) | DMA | 8-bit | ATA-1 to ATA-4 |
| CC | WRITE DMA QUEUED | queued DMA | 8-bit | ATA-4 to ATA8-ACS |
| CD | CFA WRITE MULTIPLE WITHOUT ERASE | PIO | 8-bit | ATA-4 to present |
| CE | WRITE MULTIPLE FUA EXT | PIO | 16-bit | ATA-7 to ACS-3 |
| CF | ||||
| D0 | ||||
| D1 | CHECK MEDIA CARD TYPE | none | 8-bit | ATA-6 to ACS-2 |
| D2 | ||||
| D3 | ||||
| D4 | ||||
| D5 | ||||
| D6 | ||||
| D7 | ||||
| D8 | ||||
| D9 | ||||
| DA | GET MEDIA STATUS | none | 8-bit | ATA-3 to ATA-7 |
| DB | ACKNOWLEDGE MEDIA CHANGE | none | 8-bit | ATA-1 to ATA-2 |
| DC | BOOT - POST-BOOT | none | 8-bit | ATA-1 to ATA-2 |
| DD | BOOT - PRE-BOOT | none | 8-bit | ATA-1 to ATA-2 |
| DE | MEDIA LOCK | none | 8-bit | ATA-1 to ATA-7 |
| DF | MEDIA UNLOCK | none | 8-bit | ATA-1 to ATA-7 |
| E0 | STANDBY IMMEDIATE | none | 8-bit | ATA-1 to present |
| E1 | IDLE IMMEDIATE | none | 8-bit | ATA-1 to present |
| E2 | STANDBY | none | 8-bit | ATA-1 to present |
| E3 | IDLE | none | 8-bit | ATA-1 to present |
| E4 | READ BUFFER | PIO | 8-bit | ATA-1 to present |
| E5 | CHECK POWER MODE | none | 8-bit | ATA-1 to present |
| E6 | SLEEP | none | 8-bit | ATA-1 to present |
| E7 | FLUSH CACHE | none | 8-bit | ATA-4 to present |
| E8 | WRITE BUFFER | PIO | 8-bit | ATA-1 to present |
| E9 | READ BUFFER DMA | DMA | 8-bit | ACS-2 to present |
| E9 | WRITE SAME | 8-bit | ATA-1 to ATA-2 | |
| EA | FLUSH CACHE EXT | none | 8-bit | ATA-6 to present |
| EB | WRITE BUFFER DMA | DMA | 8-bit | ACS-2 to present |
| EC | IDENTIFY DEVICE | PIO | 8-bit | ATA-1 to present |
| ED | MEDIA EJECT | none | 8-bit | ATA-1 to ATA-7 |
| EE | IDENTIFY DEVICE DMA | DMA | 8-bit | ATA-3 |
| EF | SET FEATURES | none | 8-bit | ATA-1 to present |
| F0 | Vendor Specific | |||
| F1 | SECURITY SET PASSWORD | PIO | 8-bit | ATA-3 to present |
| F2 | SECURITY UNLOCK | PIO | 8-bit | ATA-3 to present |
| F3 | SECURITY ERASE PREPARE | none | 8-bit | ATA-3 to present |
| F4 | SECURITY ERASE UNIT | PIO | 8-bit | ATA-3 to present |
| F5 | SECURITY FREEZE LOCK | none | 8-bit | ATA-3 to present |
| F6 | SECURITY DISABLE PASSWORD | PIO | 8-bit | ATA-3 to present |
| F7 | Vendor Specific | |||
| F8 | READ NATIVE MAX ADDRESS | none | 8-bit | ATA-4 to ACS-2 |
| F9 | SET MAX ADDRESS | none | 8-bit | ATA-4 to ACS-2 |
| FA | Vendor Specific | |||
| FB | Vendor Specific | |||
| FC | Vendor Specific | |||
| FD | Vendor Specific | |||
| FE | Vendor Specific | |||
| FF | Vendor Specific |
