Quatech DSP-100 User Manual download pdf (Page 20)

2.2.2 Common Problems

Memory Range Exclusion:

The Enabler requires a region of high DOS memory when configuring a DSP-100. 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.

Socket Numbers:

The Enabler requires the DSP-100's socket number to be specified on the command line

and the DSP-100 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 DSP-100 Enabler, the lowest socket number in the system is

designated socket 0.

Card and Socket Services Software:

In order to use the DSP-100 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 DSP-100 Enabler may interfere with its operation and with the device(s) it

controls. For systems configured with Card and Socket Services, the DSP-100 Client

Driver is the recommended method of configuration.

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Quatech DSP-100 User Manual Page 20