Re: Very basic need, very difficult to achieve.
Re: Very basic need, very difficult to achieve.
- Subject: Re: Very basic need, very difficult to achieve.
- From: Alex Zavatone <email@hidden>
- Date: Tue, 03 May 2016 20:33:07 -0400
Along those lines, is it at all possible to disable the damn memory compression?
Ever since memory compression has been enabled on the OS level, my older machines that I have had to upgrade have horrible performance, even with 16 GB of RAM.
This memory compression is simply EVIL on machines with RAM that’s 1067 MHz or less.
The older Macs that I can keep on 10.6.7, well, it’s REALLY NICE, but I can’t do daily work on those.
On May 3, 2016, at 8:17 PM, Kyle Sluder <email@hidden> wrote:
> On Tue, May 3, 2016, at 06:28 PM, Graham Cox wrote:
>> My main dev machine runs the latest OS - 10.11.4
>>
>> I need to install a 10.9 image on a disk partition for development
>> testing.
>>
>> How?
>>
>> Apple’s dev site is getting worse all the time - wasting its time selling
>> you something you already have - OS X - but hiding away basic resources,
>> like an OS 9 installer that I can download. I’ve just spent 20 minutes
>> fruitlessly searching the dev site. It’s utterly baffling, taking you
>> round and round in circles.
>>
>> How can I do this? Surely it’s actually possible, somehow?
>>
>> Note that I do have an old Mavericks Installer, but it refuses to run on
>> 10.11, saying that the app is too old ro run on this version of the OS. I
>> also have not been able to set the partition I intend to use (that
>> contains the installer) as a startup disk. I seem to recall that there
>> was a thread about this not long ago, I even seem to remember pitching in
>> something, but now I come to need it myself, I can’t get it to work.
>
> Downgrading the OS (even on a second partition) isn’t actually that
> simple of a request. If your computer was released after OS X Mavericks,
> it definitely cannot support running OS X Mavericks. It’s also possible
> that a firmware fix or disk format change may have shipped in a newer
> OS, and older OSes are not qualified against that configuration.
>
> Virtualization of recent versions of OS X is permitted on Apple-branded
> hardware. That’s probably your best bet.
>
> --Kyle
>
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