2.2.2.3 Example 3 DEVICE = C:\IOP241EN.EXE (i10,b340,s1)
The Enabler will configure the IOP-241 in socket 1 with a base address of 340H and IRQ 10
using a configuration memory window at segment D000. Note that the parameter order is not
significant.
2.2.2.4 Example 4 DEVICE = C:\IOP241EN.EXE (s0,b300,i3,wd8)
The Enabler will configure the IOP-241 in socket 0 with a base address of 300H and IRQ 3
using a configuration memory window at segment D800.
2.2.2.5 Example 5 DEVICE = C:\IOP241EN.EXE (s0,b300,i5,r)
The Enabler will release the configuration used by the IOP-241 in socket 0 using a
configuration memory window at segment D000. The base address and IRQ parameters are
ignored and may be omitted.
2.2.2.6 Example 6 DEVICE = C:\IOP241EN.EXE (s1,r,wcc)
The Enabler will release the configuration used by the IOP-241 in socket 1 using a
configuration memory window at segment CC00.
2.2.3 Common Problems
2.2.3.1 Memory Range Exclusion
The Enabler requires a region of high DOS memory when configuring an IOP-241. 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 overal l
system performance. In order for the Enabler to oper ate, 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.
2.2.3.2 Socket Numbers
The Enabler requires the IOP-241's socket number to be specified on the command line and
the IOP-241 must be inserted into the socket before the Enabler is invoked. Some vendors
number their sockets from 1 to N while other vend or s numb e r thei r sock e ts fr om 0 to N-1. For
the IOP-241 Enabler, the lowest socket number in the system is designated socket 0.
IOP-241 Users Manual 18