First post, by matskatsaba
Hello!
Got a strange problem:
286 board with 25mhz harris cpu. Accepts chip ram or 4x simm modules.
I threw in 4x1mb (and threw an isa 4mb and an isa 2.5mb xms boards), and was working fine. Got the vibra16 pnp working too, with a little messing.
Now, I got my hands on 4x 4mb simms, so removed the xms cards, and tried the 4x4megs.
It is working, bios counts them allright, did over 100 passes with memtest, everything should be fine but it isn't.
Thing is, if I want to initialize the cdrom, the computer hangs. Without the cdrom driver, everything runs.
Strange thing is, that if I put back the 4x1meg modules, everything is cool, cdrom driver loads and it works.
Any suggestiongs?
cdrom is a creative 32x, but tried with a 8x mitsumi as well, same results.
using a random isa hdd controller card, the cdrom is a 40pin ide.
technically I could bruteforce a solution by putting in a scsi ultraplex40, but come on, it's a 286 😁
Also curious how I seem to have ended up with too much memory, feels a bit nonsense.