Re: Kernel uses only half of Mac IIci memory with built-in video

2021-03-16 Thread Stan Johnson
On 3/16/21 1:04 AM, Finn Thain wrote: > On Mon, 15 Mar 2021, Stan Johnson wrote: > >> >> The issue appears not to be limited to built-in video. With 16 MiB in >> Bank A (4 x 4 MiB), 64 MiB in Bank B (4 x 16 MiB), a RasterOps >> ColorBoard 264 in the Nubus slot nearest the PDS slot (which contain

Re: Kernel uses only half of Mac IIci memory with built-in video

2021-03-16 Thread Brad Boyer
On Tue, Mar 16, 2021 at 05:56:02PM +1100, Finn Thain wrote: > I didn't know that the IIsi limited video RAM to 1 MB. It's unsurprising > though, considering the drawbacks of RAM based video. It really doesn't have anything to do with the video. It's just that the first bank is soldered on instead

Re: Kernel uses only half of Mac IIci memory with built-in video

2021-03-16 Thread Finn Thain
On Mon, 15 Mar 2021, Stan Johnson wrote: > > The issue appears not to be limited to built-in video. With 16 MiB in > Bank A (4 x 4 MiB), 64 MiB in Bank B (4 x 16 MiB), a RasterOps > ColorBoard 264 in the Nubus slot nearest the PDS slot (which contains a > 32K cache card), and a Farallon Ethern

Re: Kernel uses only half of Mac IIci memory with built-in video

2021-03-16 Thread Finn Thain
On Sun, 14 Mar 2021, Brad Boyer wrote: > Perhaps we could find some other use for the rest of the RAM in that > bank (a IIsi has a fixed 1MB there, but it was possible to put a lot > more than that in bank A on a IIci). > I didn't know that the IIsi limited video RAM to 1 MB. It's unsurprising