Print Page - Compact ROM Locations

Title: Compact ROM Locations
Post by: costa on July 06, 2025, 08:33:25 PM

Where are the ROM on this motherboard?
Looking for the IPL rom and CGROM: 1 MB (128 kB BIOS, 768 kB Character Generator)

(https://i.imgur.com/3SM5qXO.png)

Title: Re: Compact ROM Locations
Post by: neko68k on July 07, 2025, 03:00:23 PM

I'm just guessing but the only thing that's out of place is IC64. IC65 and IC44 next to it are SRAM.

Title: Re: Compact ROM Locations
Post by: costa on July 09, 2025, 12:22:02 AM

Quote from: neko68k on July 07, 2025, 03:00:23 PMI'm just guessing but the only thing that's out of place is IC64. IC65 and IC44 next to it are SRAM.

It's a good guess, thanks.

Title: Re: Compact ROM Locations
Post by: buffi on August 26, 2025, 08:28:41 PM

Yes its IC 64. CGROM and IPL and whatnot is memory mapped onto it.
I removed one and dumped it recently.

Are you debugging something or have any questions?

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NFG Forums => SIG X68000 => Topic started by: costa on July 06, 2025, 08:33:25 PM