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This article describes the subkeys contained in the HKEY_LOCAL_MACHINE\Enum registry key in Windows 95, Windows 98, Windows 98 Second Edition, and Windows Millennium Edition (Me).

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Microsoft Knowledge Base Article

This article contents is Microsoft Copyrighted material.
©2005-©2007 Microsoft Corporation. All rights reserved. Terms of Use | Trademarks
Article ID: 250530 - Last Review: January 27, 2007 - Revision: 1.3

Description of the Subkeys Contained in the HKEY_LOCAL_MACHINE\Enum Registry Key

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System TipThis article applies to a different version of Windows than the one you are using. Content in this article may not be relevant to you. Visit the Windows Vista Solution Center
This article was previously published under Q250530

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SUMMARY

This article describes the subkeys contained in the HKEY_LOCAL_MACHINE\Enum registry key in Windows 95, Windows 98, Windows 98 Second Edition, and Windows Millennium Edition (Me).
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MORE INFORMATION

The HKEY_LOCAL_MACHINE\Enum key contains subkeys for the specific hardware components your computer uses. Windows uses this information to allocate resources (for example, IO addresses and interrupts for the devices). All values in the Enum subkey are manufacturer-specific and device-specific, so specific information can vary from computer to computer.
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Entries in the Enum Subkey

BIOS

This subkey contains entries for Plug and Play components of the BIOS (this includes timers, controllers, and direct memory access [DMA] chips). Each BIOS subkey starts with the string *PNP and is followed by a four-digit number that represents classes by which the components are grouped, as shown in the following example:
*PNP0000
Each *PNPxxxx key contains subkeys (00,01) that contain the data (for example, class name, device description string, driver name, and hardware ID) for the device configuration.

ESDI

This subkey contains the configuration data of the IDE-controller used for hard disks and other devices.

FLOP

This subkey contains the configuration data of the floppy disk controllers used in the computer.

HTREE

This subkey is reserved for future use in Windows.

ISAPNP

This subkey contains entries for Plug and Play equipment enumerated on an ISA bus.

MF

This subkey defines manufacturer-specific information about hardware components.

MONITOR

This subkey contains information about the monitor used in the computer. If Setup cannot detect the monitor type, the user sets the selection.

NETWORK

This subkey contains information about the network (for example, redirectors, services, and NetBEUI). The network adapter is specified in the Root\Net subkey.

PCI

This subkey contains entries for Plug and Play equipment on a Peripheral Component Interconnect (PCI) bus.

ROOT

This subkey contains *PNPxxxx entries for legacy, non-Plug and Play hardware (for example, the CPU, BIOS, network adapters, and printer drivers).

SCSI

This subkey contains information data for Small Computer System Interface (SCSI) devices.

USB

This subkey contains information data for Universal Serial Bus (USB) devices. USB support is not included in Windows 95.

NOTE: Depending on the computer, you may have have keys for infrared, tape controllers, and modems, if those devices are installed on the system.
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APPLIES TO
  • Microsoft Windows Millennium Edition
  • Microsoft Windows 98 Second Edition
  • Microsoft Windows 98 Standard Edition
  • Microsoft Windows 95
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Keywords: 
kbenv kbinfo KB250530
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