Description
Control firmware for a tram ticket machine, read from the machine’s chips before it was scrapped.
Provenance
Donated by the creator in 2018. Contacts were cleaned before reading. Every sector was recovered on the first or second read.
Preservation
- Fixity (SHA-256)
fca2aea6f086b4dcd6a85db6b976b049799c364ce31d6f82f872766f8ed1aef9- Last verified
- Oct 26, 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 the Lazarus reading room in Vancouver and in partner reading rooms.
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: Wren Controls, Wren tram ticket machine controller, model AZ-40 (1999). Lazarus Archive, LZ-24733.