Macintosh LC Performa 520, 550, 575 – Wiring Harness

Description

Macintosh LC Performa 520, 550, 575 Wiring Harness. There are three different types of chassis and wiring harnesses for these models of computer. They are not interchangeable.

Select from the following:

A) Wiring Harness. P/N: 590-0296, FP00301-K1. Chassis: 661-1094.

B) Wiring Harness. P/N: 590-0295, FP00101-K1. Chassis: 922-1824.

Chassis 922-1824 (auto insert SuperDrive) is for early SCSI CD-ROM drives (earlier than 300i+) and requires a floppy drive adapter.

Chassis 922-0557 (Manual insert SuperDrive) is for the early SCSI CD-ROM drives (earlier than 300i+) with adapter where the pins face up.

Chassis 661-1094 (manual insert SuperDrive) is for later SCSI CD-ROM drives (300i+ and later)  with adapter where the pins face down.

See here for more info about CD-ROM adapters.