Apple Macintosh Performa 577 - Manual (Page 66)

Take Apart Chassis Harness Assembly - 31
Chassis Harness Take Apart Strategy
Background
After product introduction, Apple Service adjusted the
service strategy for the chassis harness assembly in Mac
TV, LC 500 Series, and Performa 500 Series computers.
Originally, the chassis harness assembly was a single
service assembly. As of November 1994, the chassis
harness assembly is divided into several service piece parts.
Identifying the Chassis Harness Assembly
There are three slightly different chassis harness
assemblies and Apple service strategy varies with the type
of chassis. The three chassis harness assemblies differ
according to the combination of floppy and CD-ROM drives
they support.