Various companies are busy manufacturing adapters that will allow ADB, SCSI, and serial-based devices work with USB and FireWire. In spite of nearly identical names, the original Power Macintosh G3 series and New Power Macintosh G3 series are completely different. While the original case opens with ease, Apple made the New case even easier, with a single latch that opens the case revealing the logic board. The two Power Macintosh G3 series use motherboards that differ in just about every way imaginable. The original G3 system bus runs at 66 MHz, with processor speeds ranging from 233 MHz to 333 MHz, and the New G3 system bus runs at 100 MHz, with initial processor speeds from 300 MHz to 400 MHz.
Video is onboard.
The New Power Macintosh G3 series has four PCI slots on two PCI buses. Memory from the original Power Macintosh G3 series and older Power Macintosh systems is not compatible. Yes, both the original and the New Power Macintosh G3 series support DVD provided that they are equipped with a DVD drive and the proper MPEG decoder card.