Supported System Software: 7.0.1P, 7.1P, 7.1P1 through 7.1P6, 7.5, 7.5.1, 7.5.3 SCSI: DB-25 Serial Ports: 2 Sound Output: mono 8 bit. ADB: 1 Ethernet: use Newer Technology 7ET-L10 or 7ET-L10/100 Machine Gestalt ID: 37 Minutiae: Although this computer may be upgraded with 12MB of RAM, only 10MB are usable. Upgraded two SIMMs at a time. Serial Port with the phone icon supports synchronous modems, with handshaking on both output and input supported. Has 512KB ROM and a 1.44MB SuperDrive.