Does the Power Macintosh G3 (Blue and White) have a floppy disk drive or serial port?
Like iMac, this system does not have a floppy disk drive. If you need to use a floppy disk drive, there are several third-party solutions available on the market. If you need to support serial devices, you can purchase third-party adapters or PCI cards. There is no serial port in the system. If you need to support SCSI devices, you can use third-party adapters or PCI cards. Apple is aggressively embracing I/O technologies such as FireWire and USB that allow you to attach devices directly to the system. There are several other options for getting information in or out of the system, including Internet access, optional internal Zip drives, LAN, and other mass-storage devices.
