Lazarus Archive · LZ-28906

Jetty telescope mount controller, model ZR-280

Jetty Instruments, 2000. Firmware for an embedded controller.

Description

Control firmware for a telescope mount, read from the machine’s chips before it was scrapped.

Provenance

Sent to Lazarus by post, with a note asking whether anything could be saved. The chips were read several times in a programmer; one differing bit was resolved by majority. Independent reads agree bit for bit.

Preservation

Fixity (SHA-256)
3fdc0b4d601b7963deea525a35a83907166a4704d0b40676a181ba8068da1c32
Last verified
Oct 16, 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: Jetty Instruments, Jetty telescope mount controller, model ZR-280 (2000). Lazarus Archive, LZ-28906.

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