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CHAPTER 4: Hardware Installation
4.2.2.3 Non-Plug-and-Play Systems (Legacy PCs)
The 5250 Plug n Play Adapter Card can be configured in older PCs without
Plug-and-Play capability. The Adapter has been shipped with a Configuration
Utility, which will allow you to select the system resources in these systems.
In older systems, all resources for this adapter are set by the DOS 5250
configuration program (DCFG5250) program. The adapter is not enabled until
the Enabler (ENB5250) program is executed. When running the IBM emulation
program or IBM adapter handler with PC Support, you must use the Configuration
Utility and Enabler.
NOTE
The DCFG5250 program will enable the user to configure the 5250 Plug
n Play Adapter Card and will attempt to identify potential conflicts;
however, since non-PnP systems do not have a resource manager, you
must take care to prevent conflicts. Online help provided on the
Windows Utility diskette contains information about some typically used
PC resources and will help prevent conflicts.
4.2.2.4 MS-DOS and Windows 3.1 Configuration
Since MS-DOS
®
and Windows 3.1 do not contain integral PnP support, an external
system resource manager must be used. In PnP systems, this resource manager will
most likely be shipped with the PC. The resource manager will automatically detect
the 5250 Plug n Play Adapter Card and assign its resources. While the functions
performed by a system resource manager are well-defined, the interfaces that the
various managers present vary, and it is therefore impossible to describe each one
in this manual. In non-PnP systems, you must execute the ENB5250 program when
the PC is started and use the DCFG5250 program to configure the Adapter.
With either PnP or non-PnP systems, the CEM5250.386 Virtual Device Driver
(VxD) should be used with programs such as the IBM Client Access/400 or
Personal Communications AS/400. This will provide for seamless operation with
the 5250 Plug n Play Adapter Card.
4.2.2.5 Windows 95/98 Configuration
In Windows 95/98, the system resource manager, known as the Device Manager, is
an integral part of the operating system. Therefore, when running Windows 95/98,
the 5250 Plug n Play Adapter Card will automatically be configured. The file
CEM5250.VXD is installed by Windows 95/98 the first time it sees the 5250 Plug n
Play Adapter Card and will provide the interface between Windows 95/98 and the
adapter. There are no resource configuration requirements.