Jumping to LinuxBIOS

Ronald G. Minnich rminnich at lanl.gov
Thu Jan 16 09:54:01 CET 2003


On 16 Jan 2003, sivakumar wrote:

> Do I need to initialize the PAM (Programmable Attribute Map Register)?

it's a good idea. Some chipsets don't set to reasonable values and bad 
things can happen. At the same time I doubt this is your problem.

> Actually this register is used to do some memory mapping functionality. 

it's really for DOS memory layout compatibility.

> That means we are not worrying about the PAM during the RAM
> initialization. Is my assumption is correct?

yes but it doesn't hurt to set it.

I think you're getting the idea of how to do this.

ron




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