Manual for DDP-416

Manual for DDP-416

Brand: Honeywell

Category: Other

Document Type: Manual

Language: EN

Uploaded: Nov. 21, 2025, 6:38 p.m.

Manual Publish Date: 1967-03-01

The DDP-416 is a solid-state, 16-bit binary word, general purpose computer with an internally stored program. It features a 0.96 µsec memory cycle time and expandable memory from 4K to 16K. The machine has a fully parallel organization and multilevel indirect addressing capabilities. Standard features include a flexible repertoire of 30 commands, a powerful I/O bus structure, standard teletype I/O equipment, and a full line of options and peripheral devices. The 16-bit word supports a "sectorized" addressing scheme and is compatible with ASCII 8-bit character code.

Troubleshooting and error codes

Failure Mode System will not start
Probable Cause Power supply failure
Failure Mode Memory errors
Probable Cause Faulty memory modules or interconnects
Failure Mode I/O device malfunction
Probable Cause Controller or device failure
Failure Mode CPU errors
Probable Cause Component failure within the CPU
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