Get this firmware update for iMacs with slot-loading CD or DVD drives.
use 128 GB+ drives with older Macs
TWAIN scanner driver
firmware for Mac Pro with 10.5.2
Update Mac OS 8.5 for better performance.
for the graphing calculator
note version 5.3.2 from System 7.6 (not 7.6.1) is better for 3rd party CD-ROM drives
driver for the film scanner
Driver for the CanoScan LiDE 50
Firmware update for some MacBooks, iMac & Mac mini.
drivers for USB drives and OS 8.6