Need help?Do you have a question about the Apple 1 and is the answer not in the manual?
General| Processor | MOS 6502 |
|---|---|
| Clock Speed | 1 MHz |
| Output | Composite video |
| Release Year | 1976 |
| ROM | 256 bytes |
| RAM | 4 KB (expandable to 8 KB or 48 KB) |
| Storage | Cassette tape (optional) |
| Graphics | 40x24 characters, hardware-implemented scrolling |
| Input | Keyboard |
| Ports | Cassette interface |
| Power Supply | External power supply |
Details about the MOS Technology 6502 microprocessor and its clock frequency.
Specifications for the composite video output signal, line rate, and format.
Information on the on-board RAM capacity and type.
Details input power requirements and recommended transformers.
Guides the user through initial system setup and connecting peripherals.
Describes the video output signal and its connection to monitors.
Details required AC power inputs and recommended transformer types.
Provides a sequence to test system functionality after setup.
Explains the interface between the keyboard, display, and system.
Discusses Direct Memory Access capabilities and configuration.
Explains the memory refresh cycle and its impact on system timing.
Lists routines for keyboard input and display output.
To Next Page