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Lists key technical specifications including power, environment, and disk drive details.
Details the pin assignments for various connectors on the main logic board.
Details the specifications and nomenclature for the primary system bus.
Describes the divisions and functions of the main logic board.
Details the interface of the CPU's address and data lines.
Explains how the system handles maskable and non-maskable interrupts.
Explains the interface to the main system bus.
Details the circuits for keyboard, timer, and sound functions.
Details the interface for connecting joysticks to the system.
Covers the video controller chip and display logic.
Lists AC parameters for RAM timing, including setup and hold times.
Details the I/O map for the DMA controller channels.
Details the commands used to initialize the 8259A interrupt controller.
Describes the commands used to control the 8259A's operating modes.
Describes how multiple 8259A units can be interconnected.
Details the function of each pin on the 8088 microprocessor.
Explains the differences and operation of the 8088's minimum and maximum modes.
Describes how the 8088 interacts with the system bus.
Explains the functions and general operation of the 8253 timer.
Outlines the programmable modes and operational descriptions of the 8253.
Describes how to read from and write to the 8253 timer.
Details the function of each pin on the microcomputer.
Lists the DC electrical characteristics of the microcomputers.
Provides AC electrical characteristics and timing data.
Details instructions operating on the accumulator.
Describes instructions that manipulate processor flags.
Lists instructions for controlling program flow.
Details instructions for moving data between registers and memory.
Lists and describes the function of each pin on the FDC.
Defines symbols and parameters used in FDC commands.
Shows an example of a system configuration using the FDC.
Illustrates the data transfer format for various floppy disk modes.
Overview of the DMA chip and its support circuitry.
Explains the memory address decoding and generation process.
Details the I/O address decoding for chip select signals.
Explains the function of the timing generator circuit.
Details the function of each pin on the DMA chip.
Details the input pins and their functions.
Details the bi-directional pins and their functions.
Details the output pins and their functions.
Details the power supply pins.
Provides the pinout configuration for the 8237 chip.
Specifies the absolute maximum operating conditions for the DMA chip.
Details the operating electrical parameters and conditions.
Lists the electrical characteristics for input signals.
Lists the electrical characteristics for output signals.
Presents timing diagrams for input and output operations.
Visual representation of memory read timing.
Visual representation of memory write timing.
Visual representation of I/O chip select read timing.
Visual representation of I/O chip select write timing.
Provides timing parameters for DMA bus master operations.
Overview of the video controller chip's capabilities.
Describes the alphanumeric and graphics operating modes.
Details video memory organization and graphics usage.
Describes the registers used for setting the color palette.
Lists the key features of the CRT controller megacell.
Describes the function of various signals for the CRT controller.
Provides an overview of the sound generator chip.
Explains the functional blocks and operations of the sound generator.
Details the internal registers used for controlling sound generation.
Explains the programmable tone generation features.
Describes the periodic and white noise generation capabilities.
Lists the electrical specifications for the sound generator.
Provides timing requirements for the sound generator.
Lists the electrical operating characteristics of the power supply.
Shows the block diagram of the power supply circuit.
Explains the operational principles of the power supply.
Lists the electrical operating characteristics of the dual input power supply.
Shows the block diagram of the dual input power supply.
Explains the operational principles of the dual input power supply.
Lists the technical specifications of the power supply.
Shows the block diagram of the power supply circuit.
Explains the operational principles of the power supply.
Details the electrical and mechanical specifications of the keyboard.
Shows the schematic diagram of the keyboard circuit.
Illustrates the physical layout of the keyboard keys.
Lists the technical specifications of the disk drive.
Shows a diagram of the disk drive's components.
Defines the signals used for the disk drive interface.
Details the timing requirements for disk drive operations.
Explains the Basic Input/Output System services.
Describes BIOS routines for keyboard interaction.
Explains BIOS routines for video display control.
Details BIOS routines for serial port communication.
Describes BIOS routines for parallel printer control.
Explains BIOS routines for system clock access.
Details BIOS routines for floppy disk operations.
Returns system hardware configuration flags.
Returns the total system RAM size.
Describes BIOS routines for EEROM access.
Lists keyboard ASCII and scan codes for different modes.
Shows the memory map for MS-DOS.
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