Return-Path: Received: from nk11p03mm-asmtp002.mac.com ([17.158.232.237] verified) by media-motion.tv (CommuniGate Pro SMTP 4.2.10) with ESMTP id 4914477 for AE-List@media-motion.tv; Mon, 03 Dec 2012 20:02:06 +0100 MIME-version: 1.0 Content-type: multipart/alternative; boundary="Boundary_(ID_RtEYdXHO9r/iT6CXnnvhiQ)" Received: from [192.168.1.68] ([99.152.153.100]) by nk11p03mm-asmtp002.mac.com (Oracle Communications Messaging Server 7u4-26.01(7.0.4.26.0) 64bit (built Jul 13 2012)) with ESMTPSA id <0MEG0056HYDWAU20@nk11p03mm-asmtp002.mac.com> for AE-List@media-motion.tv; Mon, 03 Dec 2012 19:05:58 +0000 (GMT) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.9.8185,1.0.431,0.0.0000 definitions=2012-12-03_04:2012-12-03,2012-12-03,1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 ipscore=0 suspectscore=0 phishscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=6.0.2-1203120001 definitions=main-1212030166 From: Jim Curtis Subject: Re: [AE] downgrade newer MacBook Pro Date: Mon, 03 Dec 2012 13:05:55 -0600 In-reply-to: To: After Effects Mail List References: Message-id: <934DD727-0DD5-4990-BA9C-EA217482189D@me.com> X-Mailer: Apple Mail (2.1283) --Boundary_(ID_RtEYdXHO9r/iT6CXnnvhiQ) Content-type: text/plain; charset=windows-1252 Content-transfer-encoding: quoted-printable Right. If you buy the OS in a standalone package, it should work on all = qualified Macs. You can often find shrink-wrapped older versions at = VARs or on eBay. I believe Lion was $30, so you don't stand to lose = much except some time, if you clone your disk first and then give it a = try. On Dec 3, 2012, at 12:54 PM, Carey Dissmore wrote: > For as long as I can remember, Apple has issued specific, customized = installer disks whenever they issue new hardware between major OS = revisions. These are custom builds of the Mac OS that contain the = specific drivers, enablers, etc. for the new hardware in questions. >=20 > These items are rolled in with the next major "retail" OS release. = This system, once understood, explains why many Mac OS installer discs = will not work on other Macs. They lock that down a bit but the retail = ones are more universal. The appear to be continuing this somewhat in = the era of App-store delivered OS updates, with some modification. >=20 > Whatever the case, Apple has never made it easy or simple to go = backwards to a version of the Mac OS that pre-dates the hardware launch = date. Sometimes you can find a few enterprising users with time on their = hands that have figured out how to do it by moving certain files to the = old OS, etc. but that's the level of time-sinking geekery you are going = to have to resort to in order to do it. >=20 > FWIW, HTH, >=20 > carey >=20 > On Nov 30, 2012, at 3:49 PM, "Tupper, Scott (HQP)" = wrote: >=20 >> I am hearing that the newer Non-Retina Display 15=94 model cannot be = downgraded from the installed 10.8 to 10.7. >> Can anyone confirm this? I don=92t see why you can=92t boot to = external drive, erase and install from a 10.7 image. But I am hearing = something about 10.8 firmware?!?! >> Thanks >> =20 >> -scott >> =20 >=20 --Boundary_(ID_RtEYdXHO9r/iT6CXnnvhiQ) Content-type: text/html; charset=windows-1252 Content-transfer-encoding: quoted-printable

For as long as I can remember, = Apple has issued specific, customized installer disks whenever they = issue new hardware between major OS revisions. These are custom builds = of the Mac OS that contain the specific drivers, enablers, etc. for the = new hardware in questions.

These items are rolled in = with the next major "retail" OS release. This system, once understood, = explains why many Mac OS installer discs will not work on other Macs. = They lock that down a bit but the retail ones are more universal. The = appear to be continuing this somewhat in the era of App-store delivered = OS updates, with some modification.

Whatever = the case, Apple has never made it easy or simple to go backwards to a = version of the Mac OS that pre-dates the hardware launch date. Sometimes = you can find a few enterprising users with time on their hands that have = figured out how to do it by moving certain files to the old OS, etc. but = that's the level of time-sinking geekery you are going to have to resort = to in order to do it.

FWIW, = HTH,

carey

On = Nov 30, 2012, at 3:49 PM, "Tupper, Scott (HQP)" <scott.tupper@rhi.com> = wrote:

I am hearing that the newer Non-Retina Display = 15=94 model cannot be downgraded from the installed 10.8 to = 10.7.
Can anyone confirm this? = I don=92t see why you can=92t boot to external drive, erase and install = from a 10.7 image. But I am hearing something about 10.8 = firmware?!?!