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General| Processor Speed | 233 MHz to 450 MHz |
|---|---|
| Chipset | Intel 440BX |
| Network | Integrated 10/100 Ethernet |
| Processor | Intel Pentium II |
| Graphics | Integrated graphics |
| Operating System | Windows 95 |
| Optical Drive | CD-ROM |
| Ports | Serial, Parallel, VGA |
Provides an overview of the guide's content, structure, and notation conventions.
Explains conventions used for values, ranges, signals, registers, and bits.
Lists common acronyms and abbreviations used throughout the document.
Introduces the system architecture and features of the Compaq Deskpro 4000N/4000S PCs.
Describes the standard and distinguishing features of the computer models.
Illustrates chassis and system board layouts.
Details the system architecture, including buses and chipsets.
Lists environmental, electrical, and physical specifications for the computers.
Describes the processor and cache memory subsystem.
Details the Pentium MMX processor, cache, and memory architecture.
Explains the configuration registers for the processor/memory subsystem.
Covers basic system architecture and chipset functions.
Explains the PCI bus and its implementation.
Describes the ISA bus and its role in I/O peripherals.
Details the clock signals and their distribution.
Covers RTC and configuration memory functions.
Describes system I/O map and access methods.
Details security, identification, and power management functions.
Introduces I/O interfaces controlled by I/O-mapped registers.
Covers the Enhanced IDE interface for drives and CD-ROMs.
Describes the diskette drive interface and its operation.
Details the RS-232 serial interfaces.
Explains parallel interface modes and operations.
Describes the keyboard and mouse interface operation and programming.
Details the system's Ethernet interface capabilities.
Covers the Universal Serial Bus interface and its configuration.
Introduces the graphics subsystem and its components.
Describes the S3 Trio64V2/GX graphics controller and memory.
Explains VESA DPMS monitor power control.
Details the VGA monitor connector.
Introduces power supply and signal distribution.
Describes the power supply assembly and its control logic.
Details the DC voltage distribution to system components.
Shows general signal distribution between system subassemblies.
Introduces the BIOS ROM and its functions.
Covers system boot functions, including boot block and quick boot.
Explains how to access CMOS and set default parameters.
Details BIOS INT15 functions for system security and management.
Explains Plug 'n Play support and functions.
Describes APM BIOS support for power management.
Introduces error codes and their probable causes.
Lists and explains messages displayed during power-on.
Explains the meaning of various beep codes.
Details POST error messages and their probable causes.
Introduces the ASCII character set table.
Introduces the standard Compaq keyboard.
Explains the process of handling keyboard input and scan codes.
Describes the optional scanner keyboard integration.
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