I've traced the allocmem calls that the extended rom does, and all extended ROM calls to AllocMem during the boot are properly redirected to chipmem.
There are one or 2 possible allocs without chipmem flag, but they're not triggered. So I'm kind of stuck...
Came to the same conclusions as there
https://www.exxoshost.co.uk/forum/vi...tart=30#p23329
> patched all those locations and no joy. Wonder if the main KS alloc's any ram for disk buffers early on.