| ```python | |
| mapping = { | |
| "day 1 jupiters": "unknown", | |
| "day-1 knc jupiters": "knc jupiter", | |
| "db": "unknown", | |
| "db meter": "unknown", | |
| "dbl. hashrate upgrade": "unknown", | |
| "dc 5v 3 amp power adapter": "unknown", | |
| "dc barrel to molex adapter 12vdc wall wart": "unknown", | |
| "dc fans": "unknown", | |
| "dc regulator": "unknown", | |
| "dc unit": "unknown", | |
| "dc-dc circuit": "unknown", | |
| "dc-dc converter": "unknown", | |
| "dc/dc converter": "unknown", | |
| "dc/dc id on/off status": "unknown", | |
| "dc2dc": "unknown", | |
| "dcdc heatsinks": "unknown", | |
| "dcr": "unknown", | |
| "ddwrt router": "unknown", | |
| "de-crypter": "unknown", | |
| "de0": "unknown", | |
| "de0 nano": "unknown", | |
| "de0-nano": "unknown", | |
| "de0-nano board": "unknown", | |
| "de1 board": "unknown", | |
| "dead avalon 1066": "canaan avalonminer 1066", # Assuming "dead" refers to the condition, closest match. | |
| "dead gpus": "unknown", | |
| "debian": "unknown", | |
| "debian computer": "unknown", | |
| "debian cpu only system": "unknown", | |
| "debian server": "unknown", | |
| "debian squeeze": "unknown", | |
| "debian squeeze vm": "unknown", | |
| "decibel meter": "unknown", | |
| "decibelometer": "unknown", | |
| "decoupling capacitors": "unknown", | |
| "dedicated laptop": "unknown", | |
| "dedicated miner": "unknown", | |
| "deep cycle battery": "unknown", | |
| "dehumidifier": "unknown", | |
| "dell": "unknown", | |
| "dell 1200 mb a models": "unknown", | |
| "dell 2100w psu": "unknown", | |
| "dell 2950 psu": "unknown", | |
| "dell 2950 psus": "unknown", | |
| "dell 2kw server psu": "unknown", | |
| "dell 4u dual xeon system": "unknown", | |
| "dell 550w server psu": "unknown", | |
| "dell 750": "unknown", | |
| "dell 750 server powersupply": "unknown", | |
| "dell 750 watt server power supply": "unknown", | |
| } | |
| ``` |