Performa 640CD DOS Compatible

Another client donation, dead from a lightning strike, then resurrected.

Narrative »

    Mrs. Griffith donated this computer to me when lightning struck their house. I’ve since repaired and preserved it.

Vital Stats »

  • Model Number: M3076
  • Serial Number: XB53007T4KR
  • Build Date: 7/26/1995 6:00 AM

Acquisition Data »

  • Acquisition Date: 2004-ish
  • Acquisition Method: Donation
  • Acquired From: Client Drop-off

Physical Condition »

  • Vitals: MacOS 7.5.3 Revision 2, 12MB RAM, CF replacing HD.
  • Condition:
    • 28 December 2015: Replaced power supply. Updated Hard Drive using Compact Flash. System works well.
    • Upon Delivery: Failed power supply. Failed Hard Drive. Machine is in pieces. The logic board when pulled and placed in my Performa 630 CD works properly.
  • Other: Power cable not present. None of the associated packaging or manuals is present.
  • Repair and Preservation Information:
    • If you are replacing the Hard Drive on these machines, please be aware of the following:
      • That your replacement disk is no greater than 8GB.
        • Devices larger than this may function, but you will only be able to use a maximum of 8GB of space, and partition it into 4GB max partitions.
      • That you have connected the disk to another machine and initialized it with Disk Setup ahead of time or you have booted from a system that contains the aLoadIDE extension.
      • Failure to follow the above two rules will result in the machine not seeing your replacement disk.
    • OS install CD available at
    • Teardown Instructions:

Associated Accessories »

  • Keyboard
  • Mouse

Photographs »

Video »