Screenshot of Lisa service menu showing a dump of RAM from $289 to $37F. Two sections are highlighted in red box both showing “0002 0000”
https://files.mastodon.social/media_attachments/files/111/129/014/874/572/250/original/662cb362e94f356f.jpeg
It seems the Lisa thinks it only has 128Kbytes of memory, according to these memory locations ($294-297 maximum physical address and $2A8-2AB total memory). Need to look into the boot rom to see how memory size is determined.
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