Supported System Software: 7.1, 7.1.1, 7.5, 7.5.1, 7.5.3 SCSI: DB-25 Serial Ports: 2 Sound Output: mono 8 bit. ADB: 2 Ethernet: use Newer Technology 7ET-L10 or 7ET-L10/100 Machine Gestalt ID: 49 Minutiae: Upgraded two SIMMs at a time. Although up to 12MB of RAM may be installed, only 10MB is usable. Original Enabler: 401 Serial Port with the phone icon supports synchronous modems, with handshaking supported on the output, not the input. Has 1MB ROMs and a 1.44MB SuperDrive.