Windows NT 3.1 build 404

3.10.404.1
Build of Windows NT 3.1
Screenshot
Release nameBeta - March 1993
OS familyWindows NT
Version number3.1
Build number404
Build revision1
ArchitectureMIPS, x86
Compiled on1993-03-06
SKUs
Workstation
Advanced Server
About dialog
WindowsNT3.1-3.1.404-About.png
TCB.png TCBGallery.png

Windows NT 3.1 build 404 is the March 1993 beta of Windows NT 3.1, which was only available in the Workstation edition for many years, until an Advanced Server version of this build was later found and shared on 26 March 2021 on BetaArchive.[1]

NFO files[edit | edit source]

The following NFO files were included as part of the WILD and [unknown] releases.

WILD

Unknown group

Changes[edit | edit source]

  • Changed the setup to resemble the RTM build.
  • Added some new applications like Mail and Schedule+ which are inherited from Windows for Workgroups 3.1.
  • Changed the default color scheme to match the one used in Windows 3.1 instead of the version used in Windows 3.0.
  • This is the first build of Windows NT to launch NTDETECT.COM to check for hardware. It bears the version number 1.0.
  • This build updates the copyright date in certain About boxes from 1985–1992 to 1985–1993.
  • The copyright date in the winnt bitmap is updated from 1992 to 1992, 1993.
  • The S3 display driver has been updated to now also support the 86c8xx line of adapters and the 86c928 adapter. It does, however, not work with the 86x, 96x and Trio32/64 lines of adapters.
  • Cirrus Logic, Number 9 GXE, XGA-2, Western Digital/Paradise and Trident display drivers have been added.
  • This build adds support for Adaptec AHA-151x/152x, AIC 6260/6230, Trantor T128/T130b and BusLogic SCSI host adapters.
  • "Disk Manager" has been renamed to "Disk Administrator".
  • New bugcheck codes have been added.[2] Typos on several of the bugchecks from the previous build have also been fixed.
    • Mismatched kernel and hal image. (0x79, later renamed as MISMATCHED_HAL)
    • I/O error on kernel data paging operation. (0x7A, later renamed as KERNEL_DATA_INPAGE_ERROR)

File differences[edit | edit source]

The following files have been introduced or removed compared to build 340:

Gallery[edit | edit source]

PC/AT compatible version[edit | edit source]

MIPS R4x00 Jazz compatible version[edit | edit source]

Miscellaneous[edit | edit source]

References[edit | edit source]