Replace and setup hard drive for Performa 6115CD

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My Apple Performa 6115CD is an old Macintosh, memory is 40 MB, CPU is PowerPC 601, hard drive interface is narrow SCSI. After a long time running, finally it broke. After searching the Internet, I found a very useful web site dealing with hardware upgrade of PowerMacs, the URL of this web site is: http://www.kan.org.

After get the parameters of the hard drive, I ordered a Conner CFP1080S hard drive, the capacity is 1 GB. However, after I connect the hard drive, the Drive Setup 1.7.2 program on the Mac OS 8.5 CD cannot recognize the hard drive. Searching the Internet again, I found a patch to HD SC Setup 7.3.5. After applying the patch to HD SC Setup 7.3.5, the HD SC Setup can recognize almost all SCSI hard drives. I put the patched HD SC Setup 7.3.5 here . The functions of HD SC Setup and Drive Setup are similar to fdisk and format utilities for DOS and Windows. HD SC Setup is come from Mac OS 7, and Drive Setup is from Mac OS 8. They have the identical function, but Drive Setup can format the hard drive in HFS+ file system, you can analog the difference between HFS and HFS+ to that between FAT16 and FAT32 for Windows PC. In a nutshell, HFS+ can save disk space when using large hard drives by reducing the internal fragmentation.

To use the Drive Setup 1.7.2 with this hard drive, it must be modified with ResEdit. The procedure is:

  • Launch the ResEdit
  • Command-O and Locate and Open the Drive Setup
  • Find and open the fSCR resource
  • In the "fSCRs from Drive Setup" window, locate and select the "CONNER, CFP1080S" item.
  • Command-I, change the name to "CONNER, CFP1080S-3.5"
  • Save and close Drive Setup.

Now the Drive Setup 1.7.2 can recognize the Conner CFP1080S hard drive. For other hard drive, you can find a similar entry in the fSCR resources, duplicate it, and make some modifications to the copy according to the drive parameters. Usually it will make the Drive Setup recognize the hard drive. For hard drives bigger than 1 GB, HFS+ can save a lot disk space.


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