Program dumps | System overview | Bytes | Byte map
Every offset in the 77-byte system-dump layout.
Short consolidated view: byte-map-overview.md.
Codegen layout: m7_system_dump.ksy · m7_system_dump.spec.json.
Each sysex/system// folder is an independent capture stream. Reserved/meta roles come from a corpus scan of all system dumps.
Coverage: 77 known/frame/checksum, 0 secondary, 0 unknown (of 77).
| Offsets | Len | Example hex | Status | Meaning |
|---|---|---|---|---|
| 0 | 1 | F0 |
frame | SysEx start (F0) |
| 1-3 | 3 | 00 62 63 |
frame | Manufacturer ID (00 62 63) |
| 4-7 | 4 | 70 08 02 00 |
frame | System-dump header (70 08 02 00) |
| 8-9 | 2 | 00 00 |
known | Parameter wet gain (from sysex/system/wet gain/) (nibble_hilo) |
| 10-11 | 2 | 00 00 |
known | Parameter dry gain (from sysex/system/dry gain/) (nibble_hilo) |
| 12 | 1 | 00 |
known | Fixed header/prefix block (constant in this corpus) |
| 13 | 1 | 01 |
known | Parameter audio routing (from sysex/system/audio routing/) (raw_u8) |
| 14 | 1 | 00 |
known | Fixed header/prefix block (constant in this corpus) |
| 15 | 1 | 00 |
known | Parameter audio format (from sysex/system/audio format/) (raw_u8) |
| 16 | 1 | 00 |
known | Fixed header/prefix block (constant in this corpus) |
| 17 | 1 | 01 |
known | Parameter output level (from sysex/system/output level/) (raw_u8) |
| 18 | 1 | 00 |
known | Reserved (always 0 in this corpus) |
| 19-20 | 2 | 02 00 |
known | Fixed field (always 02 00 in this corpus) |
| 21 | 1 | 01 |
known | Parameter display level (from sysex/system/display level/) (raw_u8) |
| 22-23 | 2 | 00 00 |
known | Parameter midi channel (from sysex/system/midi channel/) (nibble_hilo) |
| 24 | 1 | 00 |
known | Reserved / padding (constant in this corpus) |
| 25 | 1 | 04 |
known | Parameter midi bank (from sysex/system/midi bank/) (raw_u8) (also secondary in: display level) |
| 26-71 | 46 | 00 00 00 00 00 00 00 00 ... |
known | Reserved / padding (constant in this corpus) |
| 72-75 | 4 | - | checksum | Checksum: CRC-16/ARC over offsets 8-71, packed as four high-nibble-first SysEx bytes |
| 76 | 1 | F7 |
frame | SysEx end (F7) |
Last exported: 2026-07-22