Hello ! I have used Yosemite with 1 GB memory in both 32-bit and 64-bit modes. However, 2.4 kernel though. Can you please send the boot log of PMON and Linux. What is the crash? Thanks Manish Lachwani --- Rojhalat Ibrahim <ibrahim@xxxxxxxxxxxxxx> wrote: > Hi, > > is there anything special I have to do > when I want to use more than 512MB of memory? > My Yosemite board works fine with 512MB > but when I try 1GB it crashes in 32bit mode > with highmem and also in 64bit mode. > The boot monitor (PMON) maps the 1024MB > to physical addresses 0x0000.0000 - 0x4000.0000. > > Thanks > Rojhalat Ibrahim > > > ===== http://www.koffee-break.com