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ManualsBrandsQuatech ManualsNetwork CardDSP-200/300
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4.2.3 Common Problems
Memory Range Exclusion:
The Enabler requires a region of high DOS memory when configuring a QSP-200/300.
This region is 1000H bytes (4KB) long and by default begins at address D0000H (the
default address may be changed using the "W" option). If a memory manager such as
EMM386, QEMM, or 386Max is installed on the system, this region of DOS memory
must be excluded from the memory manager's control. Consult the documentation
provided with the memory manager software for instructions on how to exclude this
memory region.
Furthermore, some systems use the high memory area for BIOS shadowing to improve
overall system performance. In order for the Enabler to operate, any BIOS shadowing
must be disabled in the address range specified for the configuration window. BIOS
shadowing can usually be disabled through the system's CMOS setup utility.
Contention with Other Devices:
Without Card and Socket Services support, the QSP-200/300 Enabler has no way to
determine the resources in use by other devices in the system. It is the user's
responsibility to guarantee that the parameters specified on the Enabler command line
are available in the system and will not cause a conflict.
Socket Numbers:
The Enabler requires the QSP-200/300's socket number to be specified on the command
line and the card must be inserted into the socket before the Enabler is invoked. Some
vendors number their sockets from 1 to N while other vendors number their sockets
from 0 to N-1. For the QSP-200/300 Enabler, the lowest socket number in the system is
designated socket 0.
Card and Socket Services Software:
In order to use the QSP-200/300 Enabler for DOS, the system MUST NOT be configured
with Card and Socket Services software. If a Card and Socket Services software is
installed, the QSP-200/300 Enabler may interfere with its operation and with the
device(s) it controls. For systems configured with Card and Socket Services, the
QSP-200/300 Client Driver is the recommended method of configuration.
QSP-200/300 User's Manual 29