DOCUMENT:Q102425 30-JUL-2001 [lanman] TITLE :WRKHEURISTICS Bit 14 Controls Raw I/O for LM MS-DOS Client PRODUCT :Microsoft LAN Manager PROD/VER: OPER/SYS: KEYWORDS: ====================================================================== Bit 14 in WRKHEURISTICS on LAN Manager MS-DOS clients controls raw server message block (SMB) data transfers: 0 = raw I/O enabled. Whether or not you set this bit depends on your system communications lines and your performance criteria. On noisy lines, raw I/O can significantly reduce retries; on clean lines it significantly reduces performance. To reduce the number of calls, bit 14 is commonly set to 1 (raw I/O disabled). Additional query words: 2.00 2.0 2.10 2.1 2.10a 2.1a 2.20 2.2 ====================================================================== Keywords : ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2001.