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Tech / Very Detailed 25 Page Assessment of Yosemite!
« on: October 22, 2014, 01:54:46 AM »
Paddy,
I had seen the post from the developer of Trim Enabler. Only after I upgraded and found out that it would no longer work
There is an alternative method for enabling Trim but it does necessitate the use of the Terminal. That doesn't bother me but I guess it would put off most users. He does also give a, slightly biaised overview of Trim on OS X. Note the it still requires kext-signing to be turned off.
As an aside I discovered something else during my little upgrade adventure. I had of course made a cloned backup before attempting it
When I restored Mavericks I discovered that I appeared to have no Recovery Partition. Turns out that it WAS there but was not seen by the system as it was a Yosemite one. I will not go into details but suffice it to say that getting a completely restored system was not a barrel of laughs. Don let CCC attempt to erase and install, Boot the CCC drive, repartition using Disk Utility and THEN do a recovery seems to be the best bet.
Despite what the guy in the new link implies, it DOES appear to be an issue with Apple not releasing details of the relevant driver and not the only driver related issue with Yosemite. I discovered this after chatting with a French friend who is an accredited Mac developer
Personally I think that part of the problem is that Apple are trying to force us to use their supplied SSD's rather than 3rd Party offerings. When I suggested this to my friend his reply was
Sandy
I had seen the post from the developer of Trim Enabler. Only after I upgraded and found out that it would no longer work
There is an alternative method for enabling Trim but it does necessitate the use of the Terminal. That doesn't bother me but I guess it would put off most users. He does also give a, slightly biaised overview of Trim on OS X. Note the it still requires kext-signing to be turned off.
As an aside I discovered something else during my little upgrade adventure. I had of course made a cloned backup before attempting it
When I restored Mavericks I discovered that I appeared to have no Recovery Partition. Turns out that it WAS there but was not seen by the system as it was a Yosemite one. I will not go into details but suffice it to say that getting a completely restored system was not a barrel of laughs. Don let CCC attempt to erase and install, Boot the CCC drive, repartition using Disk Utility and THEN do a recovery seems to be the best bet.Despite what the guy in the new link implies, it DOES appear to be an issue with Apple not releasing details of the relevant driver and not the only driver related issue with Yosemite. I discovered this after chatting with a French friend who is an accredited Mac developer
QUOTE
if I want to enable Handoff on my 2011 machine I need to disable kext signing and hack a driver using a hex editor
Personally I think that part of the problem is that Apple are trying to force us to use their supplied SSD's rather than 3rd Party offerings. When I suggested this to my friend his reply was
QUOTE
I know, but aside from a few Mac Pros changing the HD for an SSD is not “officially supported” so they don’t have any obligation to help. I’m sure there’ll be a safer hack soon.
Sandy
in Dundee City, Glasgow, North Lanarkshire, and West Dunbartonshire. Those last two being adjacent to Glasgow. The outpost at Dundee City may be calling for help! 
I'm sure that our Honorary Scotswoman/Shetlander will agree 
I couldn't get out of there fast enough. 
