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Custom Install for SE-FDHD

    Ours is a two Mac family that has yet to make the move to PPC or OS 8 (okay, we're backward).  I'm currently running OS 7.6.1 on our "main" machine, and would like to do the same with "ole Betsy," an eight-year old SE with 4MB of RAM, twin FDHD's and an internal 40MB SCSI hard drive.  Problem:  I don't have a CD-ROM drive for the SE and the OS software is on CD.

     Would it be possible to create a compatible 7.6 system file on our newer machine and then install it on the SE?  If so, how would I go about it?  Please be specific since, while I consider myself computer literate, I only "read at an eighth grade level."
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rgannon
Asked:
rgannon
1 Solution
 
TheHubCommented:
System 7.6.1 requires a 68030 processor or better. The SE has a 68000. System 7.5.5 was the last release to run on 68000 and 68020 machines. The only "real" difference between 7.6.1 and 7.5.5 is that 7.6.1 has the MacOS 8 Extensions Manager (this is a bit of a lie as there were some minor bug fixes and other little stuff that, for the most part, go un-noticed).

The Plus and SE start to slow down considerably when you go beyond System 6. But, System 6 is rather limited.

The installation scenarios to install on the SE from a CD without purchasing an External CD ROM drive are lengthy and numerous. I would be more than happy to include a bunch of scenarios for how you can send info to the SE (including system installation) if you are interested.

I made a custom SCSI ribbon cable with adapters to accomplish the task. If you disconnect the ribbon cable from the CD ROM drive in your 7.6.1 computer (leave the power cable in - your 7.6.1 computer is a big giant power supply for the CD ROM) and hook up the custom cable to the back of the SE, it thinks it is an external SCSI device. The CD ROM drive must be terminated. This can be done at the cable. Or...you could use any other External SCSI box that you have laying around for the cable conversion (50pin ribbon to 50pin centronix). Get yourself a few adapters, and your rollin'.

There are many ways to do what you want. I will list more ways in a comment if you are interested.

If your 7.6.1 machine does not run on System 7.5.x, you will not be able to run the installer on your 7.6.1 machine as the installer will complain.

-good luck
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