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Commodore Computers 1581 User Manual

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Commodore Computers 1581 Specifications

General IconGeneral
BrandCommodore Computers
Model1581
CategoryStorage
LanguageEnglish

Summary

1581 Disk Drive General Specifications

Disk Technical Specifications

Outlines the disk formatting, track, and sector organization, including MFM encoding details.

Disk Format Organization

Memory Map and Locations

I/O Address Map

Details the memory addresses assigned to I/O devices like RAM, CIA, and FDC.

Serial Interface Communication

Diagnostic Self-Tests

6502 CPU Overview

6502 Signal Pinout and Functions

8520A CIA Interface Details

8520A Register Map

WD1770 Disk Controller

Processor Interface and Operations

Details the processor interface, register selection, DMA, operational modes, and key functional units of the WD1770.

Circuit Schematics

Schematic Diagram - Sheet 1

Presents the first part of the detailed circuit schematic for the PCB assembly.

Schematic Diagram - Sheet 2

Continues the detailed circuit schematic, showing the second part of the PCB assembly.

Schematic Diagram - Sheet 3

Presents the third part of the detailed circuit schematic for the PCB assembly.

Schematic Diagram - Sheet 4

Shows the final part of the detailed circuit schematic for the PCB assembly.