Plus Hardcard II Drivers and MS-DOS 5.x (75463)
The information in this article applies to:
• Microsoft MS-DOS operating system 5.0
• Microsoft MS-DOS operating system 5.0a
• Microsoft Windows 3.0
• Microsoft Windows 3.0a
• Microsoft Windows 3.1
• Microsoft Windows 3.11
This article was previously published under Q75463
The drivers available for the Plus Hardcard II are both compatible
with the Microsoft MS-DOS 5 Upgrade and with Microsoft Windows.
Versions 1.5 and 1.7 of the ATDOSHC2.SYS drivers work with MS-DOS
5.0, but may have trouble with EMM386.EXE or enhanced mode Windows.
If using EMM386, the address range of the adapter must be excluded
using the X= parameter with EMM386.EXE. If using enhanced mode
Windows, the address range of the adapter must be excluded using the
EMMExclude= command in the [386Enh] section of the SYSTEM.INI file.
If you have other problems loading a Plus Hardcard driver, make sure
it is the last device loaded in the CONFIG.SYS file.
ATDOSHC2.SYS version 1.5 is dated 5/17/90, and ATDOSHC2.SYS version
1.7 is dated 11/7/90.
Plus Development has a bulletin board that can be reached by calling
(408) 434-1664. A Plus Hardcard II customer may download the latest
driver, version 1.7, but it is not necessarily recommended, because
version 1.5 is fully compatible with MS-DOS 5.0.
Other 386-specific memory managers and software, including QEMM, 386
to the Max, and NetRoom may also require that the address range used
by the Plus Hardcard be excluded. See your software documentation for
The products included here are manufactured by vendors independent of
Microsoft; we make no warranty, implied or otherwise, regarding these
product's performance or reliability.
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