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4-24 ROM-DOS Internal Commands
DEVICEHIGH
CONFIG.SYS Command
The DEVICEHIGH command loads an installable device driver into the
upper memory area, if available.
Syntax
DEVICEHIGH = [drive] [path] driver name [arguments]
Remarks
A device driver allows ROM-DOS to access hardware that is not common
in all PCs. A device can be loaded into the upper memory areas if they
are available and there is enough free upper memory to accommodate the
driver’s needs. To make high memory available, the EMM386.EXE and
HIMEM.SYS utilities must be loaded. If these utilities are not loaded or
there is not enough upper memory available, the device is loaded into
conventional memory.
The full
drive path
and
filename
of the device must be specified. The
arguments differ depending on the device driver.
Example
DEVICEHIGH=C:\BIN\MYDEVICE.SYS /20 /M
Installs a driver MYDEVICE with its command line arguments as
specified. The device is loaded into upper memory, if available.