booting problem on mac G5

[Tod Merley]

On 5/14/06, sascha fromeyer <sascha at thegreenapple.co.uk> wrote:
>
>  hello ubuntu team,
>
>  i was very excited to find a free linux.
> i downloaded the live cd version  of 5.10 (breezy badger) to have test
> run. unfortunately the software didn't boot and froze the machine.
> it would be great if you could help me booting the software.
> unfortunately i am a total greenhorn with command line software.
>
>
> these are my hardware specs:
>
>
> *Hardware Overview:*
>
>
>   Machine Name: Power Mac G5
>   Machine Model: PowerMac7,2
>   CPU Type: PowerPC 970  (2.2)
>   Number Of CPUs: 2
>   CPU Speed: 1.8 GHz
>   L2 Cache (per CPU): 512 KB
>   Memory: 2 GB
>   Bus Speed: 900 MHz
>   Boot ROM Version: 5.1.5f0
>   Serial Number: CK415JMHR5J
>
>
>
>
> this is what happened just before it froze.
>
>
> starting cpu/cpus/PoerPC, 970 ... failed: 00000000
> invalid memory access at %SRRO: 00000000.0140382c
> %SRR1:10000000.00083030
>
>
>
>
> in your installation guide you mention the memory issue and i know that
> 2gb of ram is not supported by the kernel
> but i really don't know how to solve the issue.
> it says to include a boot argument like: mem=512m
> but i do not even know how to add a boot argument.
> the mac OS does make ones life easy in that respect.
>
>
> any help will be very much appreciated.
>
>
> thanks,
>
>
> sascha
>
> --
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> ubuntu-users at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/ubuntu-users
>
>
>
Hi sascha!

I wish I were a bit more Mac aware.  I like the machines but have more
experience and access to PC stuff.  But no one has responded to you that I
can see so here goes.

As Ubuntu live boots it stops at a screen where you see the Ubuntu logo and:
-------------------------------------------

This is the Ubuntu Live CD.
Press F1 for help and advanced options.

For the default live system press ENTER.

boot: _

----------------------------------------------
For the background of it I would recommend going through the F1 -- to -- F10
menus.  The information is good.

The important line is the last one.  At "boot: _" try typing "live
mem=512m".  If that fails try "live mem=2000m".

I would be most interested in how this comes out.

Thanks!

Tod
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