Ultimate 64 Motherboard: Revision history

23 September 2026

• curprev 22:2522:25, 23 September 2026 Josh talk contribs 8,150 bytes +1,996 Rewrite from Gideon Zweijtzer's own documentation and shop: HDMI is 576p50 not 720p; the 48/64 MHz figure is the subsystem clock not the CPU clock; disabling badlines does not affect BA at the cartridge port; add the SuperCPU-compatible registers, SID-TAP pinout and real firmware/core versioning; remove the uncited FPGA, RAM, dimension, weight and price figures undo

24 April 2025

• curprev 14:2814:28, 24 April 2025 Josh talk contribs 6,154 bytes 0 →Firmware undo
• curprev 14:2714:27, 24 April 2025 Josh talk contribs 6,154 bytes 0 →Hardware overview undo
• curprev 14:2714:27, 24 April 2025 Josh talk contribs 6,154 bytes −38 →Hardware overview undo
• curprev 14:2714:27, 24 April 2025 Josh talk contribs 6,192 bytes −47 No edit summary undo
• curprev 14:2714:27, 24 April 2025 Josh talk contribs 6,239 bytes −39 No edit summary undo
• curprev 14:2614:26, 24 April 2025 Josh talk contribs 6,278 bytes +6,278 Created page with "{{Infobox computer | name = Ultimate 64 | image = 260px|frameless | caption = Ultimate 64 Rev-A production PCB with optional dual-SID sockets | developer = Gideon Zweijtzer (Ultimate Products B.V.) | manufacturer = Ultimate Products B.V.<br />assembled in the Netherlands | type = FPGA-based replacement motherboard for the Commodore 64 | release_date = December 2018 (public launch) | latest_release =..."