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You are here: MacNN Forums > Enthusiast Zone > Classic Macs and Mac OS > 8.6 install

8.6 install
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Fresh-Faced Recruit
Join Date: Oct 2000
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Oct 15, 2001, 07:59 PM
I have an old power mac 7100/66 that was running Mac OS 8.6.
I need to re install the system software but cannot find the system disks. I have system 8.6 disks that came with my iMac but a message comes up and states that I cannot install the software from the iMac disks onto the 7100.

Is there any way around this problem.

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Join Date: Nov 1999
Location: Tustin,Ca USA
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Oct 16, 2001, 02:27 AM
You first must purchase OS 8.5, then you can download the free update to it, which is called OS 8.6 from the Apple site. Apple does not make OS 8.5 available through a download.

You must find it elsewhere to purchase. Try an online 'auction' site like ebay or check with some of the following places as they've had OS 8.5 or the full retail version of OS 8.6 for sale in the past.

http://www.macworks.com Phone (800)-227-3971
http://www.macresq.com Phone (888) -447-3728
http://www.shrevesystems.com Phone (800)-711-8679
  http://www.sunrem.com/ Phone (800) 821 3221
http://www.mactreasures.com Phone ( 408) 227 1645
http://www.allmac.com (800) 933 4962

The downloadable 8.6 can be located here.............

OS 8.6 is here

[ 10-16-2001: Message edited by: George Orville ]

[ 10-16-2001: Message edited by: George Orville ]
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Join Date: Feb 2000
Location: Nashua NH, USA
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Oct 16, 2001, 01:53 PM
If the installer will let you do a clean install and in the customize section set it to System for any mac you could then copy the resulting system folder onto the 7100. It's violating the liscence agreement though.
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Join Date: Oct 2001
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Oct 20, 2001, 11:33 AM
You cannot use an iMac installation disk to install 8.6 onto ANY other machine because the system install disks that come with the iMac (or any system, for that matter) only contain the system files needed for THAT particular hardware.

Only the full version of 8.6 will have all the hardware drivers/files that your 7100 needs.

You should be able to pick up a new copy of 8.5/6 for around $50 or less. Check dealmac.com and ebay and what George Orville said.

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