Supported System Software: 7.5.3 SCSI: DB-25 Serial Ports: 2 Sound Output: stereo 16 bit. ADB: 1 Ethernet: 10baseT built-in or upgrade to Newer Technology 7ET-C10/100 or 7ET-PCI10/100 Machine Gestalt ID: 74 Minutiae: Upgraded with one DIMM at a time. Original enabler: 410 Has 4MB ROM and a 1.44MB SuperDrive.