If you noticed hkey_local_machine system currentcontrolset services vxd bios, this article will help you.
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January 31, 2001 by Snakefoot | 0 comments
Windows 9x gives all options the same priority by default. Windows can be configured so that the foreground application has high priority so that it won’t be annoyed by background applications.
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[HKEY_LOCAL_MACHINE System Services currentcontrolset VxD BIOS]
CPUPriority = 1 (0 = realtime, 1 = max foreground, 2 = mid foreground, 3 = equal) (default = 3)
FastDRAM = 1
PCIconcur compliant 1
AGPconcur = 1 (for those with an AGP function adapter)
Note that computers that use ACPI and do not have Plug and Play BIOS in Device Manager under System Devices should not use these settings ki.
Archive Of Early Microsoft Knowledge Base Articles
Q174018: Description Of The Windows 95 Startup Process
Element: Q174018Product (s): Retail Microsoft Windows 95.x productVersion (s): Win2000: 95OS):Keyword (s): Changed: win95Last 17th DEC-2000-------------------------------------------------- -------------------------------------------The information in this article applies to:-Microsoft Windows 95-------------------------------------------------- -------------------------------------------SUMMARY=======This article describes the Windows 95 startup process.MORE INFORMATION==================The Windows 95 startup process can be divided into the following stages:- Basic process of loading input / output (BIOS) from read-only memory (ROM)- Exceptional Master Boot (MBR) and boot sector- File Io.- system configuration in real mode- Win.com file and current Windows 95 environmentStep 1 - BIOS ROM Boot Process-------------------------------------------When the computer starts, a new bootable ROM-BIOS file FFFF0h is loaded from memoryaddress. The following steps are performed during the boot processBIOS specific ROM:1. Running a Single Power Self Test (POST).2. Drive A must be checked for the presence of a root drive.3. If the boot disk is not always in drive A, the ROM-BIOS boot program looks for it. tedious file. When the hard drive is detected, the ROM bootloader transfers control Operating system loader.4. The head coach data record and the table section are read. Microsoft and several original equipment vendors (OEMs) have one specific plug-and-play BIOS specification. This specification defines interactions some are between BIOS Plug and Play, Plug and Play devices, and option ROMs. if Your computer has a plug-and-play BIOS; the following steps are not needed done:5. Plug and Play BIOS checks non-volatile random access memory (RAM). Input / Output (I / O) Ports, Stop Request (IRQ) Strings, Direct Direct Memory Access (DMA) channels and other necessary parameters that matter. can be customized Plug-play devices via computer.6. All plug-play and commercial products are updatedPlug-play and BIOS enabled will be disabled.7. A map of used and unused resources is created.8. Plug-and-play devices are configured and re-activated one by one.Windows 95 Configuration Manager polled the BIOS Plug and Play for a deviceThe information then prompts each plug-and-play device for its configuration.If your computer has never had a Plug and Play BIOS, the peripherals are Plug and Play.are initialized to their own defaults when the personal computer starts up. ThoseDevices can be dynamically reconfigured each time Windows 95 starts.Step 2 - Master Boot Record and Boot Sector-------------------------------------------------- --------The snow master record identifies the location of the starting estimate by reading fromthe partition table at this end of the master boot record. Also inThe storage location for the boot partition is our specified master boot record pass.Check the specific boot sector in this section. The starting sector contains volumesrun the program and properties table of your hard diska. The shoe trade controls themThe BIOS setup block (BPB) then finds a return to the root directory location, whilecopies the Io.sys file from the original cause directory into memory.Step 3 - The Io.sys File------------------------When loading the Io.sys file into memory, the following steps are performed:1. The minimal image mapping table file system (in bold) loads without problems.2. The file Msdos.sys is read.3. The message "Starting Windows 95" is displayed for seconds, or until you press the Windows 95 function key. Message duration observed, defined by the line BootDelay = in your current Msdos.sys To the file. The default is 1 second.4. If you have multiple individual hardware profiles in Windows 95, you will receive the following message and select the machine configuration to use: Windows cannot detect the configuration of your computer.5. The Logo.sys file loads and the screen displays a great splash screen.6. If this file Drvspace.ini or Dblspace.ini exists, Drvspace.bin or The Dblspace.bin file is loaded into memory.7. The Io.sys file checks the system files of the personal computer (System.dat and User.dat). to get reliable data.8. The Io.sys file will open as a file of type System.dat. If System.File-Dat is usually not found, System.File da0 is commonly used to start. When Windows 96 starts successfully, the System the.da0 file is duplicated with the System the.dat file.9. Dblbuff.sys-Apply is loaded when "DoubleBuffer = 1" in Msdos.sys. File or, if increased buffering is not enabled, the following PC key: HKLM System CurrentControlSet Control WinBoot DoubleBuffer Windows 95 Setup automatically activates Double Surging when it detects that is often necessary.10. If you have more than one hardware style in Windows 95, this is the hardware profile. The organization you selected will be loaded from the main registry.11. The Io.sys file processes the Config.sys file.Step 4 - Live Configuration--------------------------------Certain hardware devices also require automatic loading of driver files.Real fashion to make them work well for you. For backward compatibilitywith the best types of hardware devices or programs, Windows ninety-three ofConfigure the process.sys and Autoexec.bat files if you have identified them.1. Ф The Config.sys file loads into the driver store without problems. If the Config.sys file does it The Io.sys file is missing many of the following required drivers: - Ifshlp.sys - Himem.sys in Setver.exe The Io.sys file gets the location of these files from most of the "WinBootDir =" files. Apply the line Msdos.sys. These files should be on every hard drive.2. Windows 95 reserves all global upper memory blocks (UMBs) for Windows 95 depending on system usage or to support Extended Storage Space (EMS).3. The Autoexec.bat file loads the file types and exits while remaining resident (tsr). Ideas in memory.Step 5 - Win.com File and Windows 95 Environment-------------------------------------------------- ------1. After processing the Autoexec.File bit, the Win.com file will be launched.2. The Win.com file refers to the Vmm32.vxd file. If it was enough RAM, storage of the otherwise accessible path to the Vmm32.vxd file called HDD. This can lead to slower startup. The Vmm32.vxd file is This is similar to the Win386.exe file that was used in previous versions of Windows.3. The virtual device driver checks virtual duplicates in real mode. Male and female device (VxD) in p Windows System Vmm32 and Vmm32 the.vxd To the file. If VxD a is in both the Windows System Vmm32 folder and the Vmm32.vxd, the duplicated VxD can be "tagged" in the der.vxd Vmm32 file to what is not loaded.4. VxDs in real mode can be loaded into memory in the following ways: - Real mode device drivers or TSRs that react when INT2F is launched under Windows 95 pass them loaded VxDs while you win
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