Operating System Beta, etc. Wiki

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Operating System Beta, etc. Wiki
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Win2000 Build1515.png
Windows 2000
5.0.1515.1
Architecture x86
SKUs Workstation
BIOS date 1997-03-18
TCB.png TCBGallery.png

Windows 2000 Build 1515.1 is a pre-beta build of Windows 2000. This is the earliest leaked build of Windows NT 5.0 (which would be renamed to Windows 2000) and is referenced in the CrazyBytes volume 15 list. This build has been leaked only in the Workstation SKU.

New Features

  • Internet Explorer has been updated from 2.0 to 4.71.0603.0. It includes an early version of the Windows Desktop Update which is very similar to the version found in Windows 98 (then called 'Microsoft Memphis') build 1415. (Indeed, it is one of the earliest versions available for Windows NT today.)
  • This build has a show desktop button at the end of the taskbar, which is (again) similar to the one found in the early 14xx Memphis builds. This feature was removed by 1585, then briefly reintroduced with a additional menu in 1773 only to be removed (again). This feature remained absent for nearly 10 years, until Windows 7 build 6519 reintroduced it for the second time, with the same functions as 1515's button along with a new feature called Aero Peek. The Windows 7 reincarnation is still present today (although Aero Peek is disabled by default).
  • Most NT 4.0 references have been replaced with NT 5.0. However, many parts of the interface are still very similar to NT 4.0. One example that stands out in particular, is the 'Windows NT Setup' program, which remains unchanged from Windows NT 4.0 RTM (and by proxy, build 1327).

Bugs

  • The ACPI implementation in this build is very early and buggy, and is likely to crash most hypervisors. Therefore, it is not advisable to use ACPI with this build.
  • At least one 'Windows NT' string is replaced with 'Internet Explorer' in this build, due to the inclusion of the early Windows Desktop Update. This was fixed by 1585.

Installation Notes

As this build is still very similar to NT 4.0, you can install it on any hypervisor/emulator that can run this build, with the following precautions:

  • As the CD of this build is not bootable, you have to format a disk with any DOS/Windows 9x bootdisk, and run setup from the CD using that bootdisk.
  • As mentioned above, it is not advisable to use ACPI with this build. Therefore, disable ACPI in any hypervisor/emulator that supports it.
  • In Microsoft Virtual PC 2007, it is advisable to set Virtual PC's processor affinity to a single core in Task Manager whenever you want to run this build (or most pre-XP builds, really). This build is rather picky (although one of the least troublesome offenders) in that aspect, and it may crash on you during the boot process before the 2nd stage of text setup or GUI setup.

Gallery

External Links

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