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1997-05-10
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OSINIDE - OS/2 WARP 3.0 ENHANCED IDE SUPPORT
01/11/96
=======================================================================
OS/2 Warp 3.0 Enhanced IDE Support
=======================================================================
Please Read Entire Document for Full Explanation of Procedures
--------------------------------------------------------------
DESCRIPTION
OS/2 Warp 3.0 Enhanced IDE Support
RESOLUTION
Systems with
Native Support Translated BIOS*
Enhanced IDE Feature DOS OS/2 DOS OS/2
-----------------------------------------------------------------
DRIVES > 1024 CYL (> 528 MB)
BOOT PARTITIONS < 1024 CYL YES YES YES YES
ACCESS DISK PAST 1024 CYL NO NO YES YES
ACCESS DISK PAST 1024 CYL NO NO YES YES
LOGICAL BLOCK ADDRESSING NO YES NO YES
with parameters with parameters
For performance /A:0 /U:0 /LBA /A:0 /U:0 /LBA
saves drive 3 multiplies
FASTER PIO MODE YES YES YES YES
DMA ADDRESSING NO NO NO NO
Not prevalent on controllers;
advantage for EISA systems only
WD UTILITY "ON TRACK" YES ** NA NA
WD UTILITY "ON TRACK" YES ** NA NA
IBM systems with translated BIOS include ValuePoint and IBM
Mobile.
On Track has an OS/2 filter that provides translation for
OS/2 Warp. This filter is shipped with On Track and other
Enhanced IDE utilities with WD and IBM hard disk drives
for systems not having translated BIOS. Contact the vendor.
______________________________________________________________________
IBM disclaims all warranties, whether express or implied, including
without limitation, warranties of fitness and merchantability with
respect to the information in this document. By furnishing this
document, IBM grants no licenses to any related patents or copyrights.
Copyright (c) 1994, 1995 IBM Corporation. Any trademarks and product
or brand names referenced in this document are the property of their
respective owners. Consult your product manuals for complete trademark
information.