Fwd: Re: [SunRescue] Linux, SS20, partition sizes

[Tim Hauber]

>On Thu, 27 Jan 2000, James Lockwood wrote:
>
>> Pre-Ultra systems can't address more than 2GB of the disk in the PROM,
>> it's a limitation in the 32-bit PROM block reading interface.
>> 
>> Really old boot PROMs (1.x) can't address past 1GB.
>> 
>> -James
>
>Now, I'm not trying to be contrary, I just want to understand this
>fully...
>My company has sent out Sparc 5 systems with a 4 Gig drive with only
>one partition...  Was my company just lucky that the OS fell under the
>2Gig limit?  Like it works unless your unlucky enough to have the boot
>code be moved above 2Gig?
>
>--Kurt

It isn't the OS that matters, it's the booter and the kernel, the kernel,
once it is running the show, can talk to the whole drive.
Tim