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1993-10-12
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DRVLOAD.COM (VERSION 1.0) Copyright (c) 1993 Rick Knoblaugh
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First Published in PC Magazine November 9, 1993 (Utilities)
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DRVLOAD BY RICK KNOBLAUGH
Purpose:
Installs MS-DOS device drivers from the DOS command prompt,
eliminating the need to edit the CONFIG.SYS file to include
device= statements and then reboot.
Format:
[LH] DRVLOAD [d:][path]filename [driver_parameters]
Remarks:
The DRVLOAD utility can be executed directly from the command
prompt of DOS 3.0 or later; it cannot be run from the DOS box of Windows,
however. The utility requires approximately 2K of storage space, and it
adds approximately 256 bytes to the size requirement of the drivers it
loads.
When executed under DOS 5.0 or later, preceding DRVLOAD with the
LH (LOADHIGH) command causes the utility to be loaded into upper memory
blocks, thus saving space in conventional memory. If insufficient UMB
memory is available for the driver file size, DRVLOAD reports the error.
Drivers that claim additional memory when loaded, however, may fail to
load properly with LH if their memory demand exceeds that available.
Loading the driver in conventional memory and using the MEM /C (DOS 5)
or MEM /M (DOS 6) commands will indicate the actual driver requirement.
Although intended primarily for occasionally loading infrequently
used drivers (such as for RAM disks or CD-ROMs), DRVLOAD can be used as
part of a batch file to load drivers conditionally. It is also useful
in debugging, where conventional loading would execute the driver code
before a debugger could be loaded.
DRVLOAD cannot be used to install those drivers (such as EMM386
and HIMEM) that must be present during the boot process. Further, no
attempt should be made to use utilities such as MARK/RELEASE or
PC Magazine's INSTALL/REMOVE to uninstall drivers loaded with DRVLOAD.
A Microsoft MASM assembler (or compatible), LINK and EXE2BIN are
required if the program must be reassembled.
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RICK KNOBLAUGH IS A FREQUENT CONTRIBUTOR TO PC MAGAZINE.«MDUL»«MDNM»