Description
Control firmware for a hearing aid, read from the machine’s chips before it was scrapped.
Provenance
Rescued from a skip outside a former office in Rushmere Falls. Read with the owner’s consent and credentials. Nothing was bypassed. Everything was recovered, with a few damaged files repaired from a second copy.
Preservation
- Fixity (SHA-256)
3f22db323f694f2137b1eef0c2afb6436b0a47378649ed619a6cdac1fe26ddae- Last verified
- Oct 8, 2026, by Vigil
- Emulation profile
- LZE-EMBED-2 · lz-mcu core
- Copies
- Three, on two kinds of storage, in two cities
- Original carriers
- Kept in cold storage in Vancouver
Access
Free, in reading rooms only, under the Lazarus orphan works policy.
In the reading room it runs in emulation under profile LZE-EMBED-2, from a read-only copy of the recovered image, as it would have on an embedded controller.
Cite as: Nova Appliances, Nova hearing aid controller, model XB-550 (1992). Lazarus Archive, LZ-02608.