Lazarus Archive · LZ-05722

Whimbrel pipe organ controller, model ZD-990

Whimbrel Electronics, 1977. Firmware for an embedded controller.

Description

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

Provenance

Transferred from the backlog of unread media at a partner archive. Contacts were cleaned before reading. The image matches a checksum published by the original distributor.

Preservation

Fixity (SHA-256)
235c41b34397b6b0b6d420ea2af6d7a1b8ffbd84c0e82e2713ed10a2b05ad0b6
Last verified
Oct 30, 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: Whimbrel Electronics, Whimbrel pipe organ controller, model ZD-990 (1977). Lazarus Archive, LZ-05722.

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