SDRAM death?!

[Jan Kok]

Regarding using L1 cache as RAM while getting the SDRAM running, Ron once wrote: >the trick will be making the l1 init withouut having the  chipset touch >memory .Any writes to memory can cause either SDRAM death or a cihpset >lockup (as in l440gx) Does "SDRAM death" mean permanent damage?! or just need to reset or power up again?   Trepedatiously, - Jan