As the name suggests, this model came with 128KB memory. Replaced by the [[Macintosh 512K]].
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These are fairly highly sought after by vintage computing hobbyists as original 128K systems are harder to find. Many original owners upgraded to 512K boards to prolong the usefulness of the system, and original boards were likely recycled/destroyed at that time.
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=Upgrades=
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* [[MacRescue]] by Computer Care, gives you RAM slots and a SCSI interface
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=Diagrams/Schematics=
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<gallery mode="packed">
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File:128k Power Supply.png
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</gallery>
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=Documentation=
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* [[Macintosh 128K/512K Service Source]]
=See Also=
=See Also=
* [[Apple Computer]]
* [[Apple Computer]]
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=External Resources=
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* http://www.ccadams.org/se/classicmac2.pdf - Classic Mac Repair Notes