4400

Manuals – Specifications – Links – Pictures

The Tektronix 4400 Series Artificial Intelligence Systems were early workstations based on Motorola 68000 family CPUs running a Smalltalk-80 development system. LISP and Prolog languages were available as options.

The 4404, introduced in 1984, was a 1MB 68010 machine, the 4406 (1985) a 2MB 68020. please add detail

Key Specifications

Processor	4404: Motorola 68010 + NS32081 FPU; 4406: Motorola 68020 + 68881 FPU
Memory	4404 1–2MB RAM; 4406: 2–6MB
Disk	320KB floppy; 4404: 40MB SCSI disk; 4406: 90MB SCSI disk
Interfaces	SCSI,RS-232,Centronics parallel;Mouse+Keyboard
Screen	4404: 640×480; 4406:1280×1024, 19"
External storage	4944 Mass Storage Unit

Links

• Tektrionix 4404 (Pegasus) details
• Tektronix Smalltalk Document Archive by Allen Wirfs-Brock
• Tektronix 4404 Smalltalk Demo @ YouTube
• Tektronix 4404 files @ bitsavers