Article: Q119674
Product(s): Microsoft Windows 95.x Retail Product
Version(s): WINDOWS:3.1,3.11
Operating System(s):
Keyword(s):
Last Modified: 01-OCT-1999
-------------------------------------------------------------------------------
The information in this article applies to:
- Microsoft Windows versions 3.1, 3.11
- Microsoft Windows for Workgroups versions 3.1, 3.11
-------------------------------------------------------------------------------
SUMMARY
=======
This article lists the meaning of the various phases that are displayed in the
following error message at Windows startup if 32-bit disk access is enabled
The Microsoft Windows 32-bit disk driver (WDCTRL) validation failed at phase
<x, x>.
where <x> is a specific phase.
MORE INFORMATION
================
Below are the various phases that can appear in the above error message and a
brief description of each:
Phase 0: Int 13h, AH=8, GetDriveParms results failed; compare with FDPT (Fixed
Disk Parameter Table, pointer got through int 41h/46h-xxxx)
Phase 1: Number of heads differ
Phase 2: Number of sectors differ
Phase 3: Number of cylinders differ
The next phases are read:
Phases 4 - A -> HCS:0/0/1 (Head/Cylinder/Sector notation)
Phases B - 11 -> Sector #503 (to control sector mapping)
Phases 12 - 18 -> HCS:last-1/last-1/last-1
Phase 4/B/12: Read Sector 1/503/"last-but one" through int 13 failed
Phase 5/C/13: Status reg of Controller says failure
Phase 6/D/14: Wrong sector count
Phase 7/E/15: Wrong sector number
Phase 8/F/16: Wrong cylinder number
Phase 9/10/17: Wrong sector size (not equal to 512 bytes) or drive
Phase A/11/18: Wrong status from controller or difference in direct read data
from int 13 read data.
KBCategory: kbother kberrmsg
KBSubcategory: win31 wfw wfwg winboot
Additional query words: 3.10 3.11 err msg wdctrl fastdisk
======================================================================
Keywords :
Technology : kbAudDeveloper kbWin3xSearch kbWFWSearch kbZNotKeyword3 kbWin310 kbWin311 kbWFW310 kbWFW311
Version : WINDOWS:3.1,3.11
=============================================================================