&KDSWHU'8VLQJ0LFURVRIW06'26
install=\dos\keyb.com GR,,\dos\keyboard.sys
shell=\COMMAND.COM /E:512 /P
device=gdtx000.exe
device=mouse.sys
device=\dos\setver.exe
device=\dos\gdtxdos.exe
device=\gdt\gdtaspi.exe
device=\aspi\aswcdnec.sys /D:CD-ROM
lastdrive=h
In this example, besides the GDTX000 driver, the GDTXDOS.EXE driver, the GDT ASPI Man-
ager and an ASPI Module for an NEC CD-ROM drive are loaded.
'([SDQGHG0HPRU\0DQDJHUV
When using Expanded Memory Managers, a certain address area has to be excluded from
being controlled by these programs. This area is the GDT Dual Ported Memory address
space (sized 16KB ). If the ICP Controller is not run with the GDTX000.EXE driver (that is,
the driver has not been loaded from the CONFIG.SYS file), the address space of the GDT
BIOS must also be excluded (the size of the GDT BIOS is 8KB). If the GDTX000.EXE driver is
loaded from the CONFIG.SYS file in a line before the Expanded Memory Manager (EMM), it
is not necessary to exclude the address space of the GDT BIOS. Unlike ISA or EISA com-
puter systems where the controller’s BIOS address space is set manually (through jumpers
or the configuration file), PCI computers automatically map the address space of a periph-
eral PCI device (e.g., the ICP Controller with its BIOS and Dual Ported Memory) to a suitable
location during a warm or cold boot. If the system configuration does not change (no new
PCI expansion cards are being added etc.), the PCI System BIOS will always map these two
spaces to the same addresses. To help you find out where these addresses have been
mapped to, the GDT BIOS indicates the physical address locations of the GDT BIOS and the
GDT DPMEM during the cold boot (also see chapter B in this manual):
%,26ORFDWHGDW[([()))
In this example, the GDT BIOS occupies E000:0000 to E000:1FFF (E000 is the segment ad-
dress).
'30(0DW['[')))
Here the DPMEM starts at D000:0000 and ends at D000:3FFF (D000 is the segment address).
You may also use other utility programs such as Georg Schnurer’s (c’t magazine) CTPCI pro-
gram in order to obtain the requested address locations. On this occasion we would like to
thank Mr. Georg Schnurer and the c’t magazine for allowing us to use this very helpful utility on
our system disks.
Example 1: The Microsoft EMM386.EXE Manager is used. The GDT driver GDTX000.EXE has
not been loaded from the CONFIG.SYS:
DEVICE=EMM386.EXE X=D000-D3FF X=E000-E1FF
Example 2: The Microsoft EMM386.EXE Manager is used. The GDT driver GDTX000.EXE has
been loaded from the CONFIG.SYS:
DEVICE=EMM386.EXE X=D000-D3FF
(Note: You may have to add the path for "EMM386.EXE". Other parameters may follow the
excluded areas).
(186 paginas)
(2 paginas)
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