These are some common tools used to work on this device. You might not need every tool for every procedure.
The Macintosh IIsi Was Released in October 1990 by Apple as the low end of the Macintosh II series. It has a 20mhz 68030, 2mb of RAM Stock expandable to 64, an a 40 or 80mb SCSI hard disk. The IIsi supports System 6.0.7 to 7.6.1. Its PDS card can accept 030 PDS cards from the SE/30 or IIci or the Apple PDS to Nubus adapter which adds a FPU and Nubus slot for Ethernet, video, sound, and other adapters. The IIsi retailed for $ 2999 in 1990. It was discontinued in March 1993.