Dec 282017
Port Finder version 2.72. Finds and activates COM, LPT, and Joystick ports. Use for COM3 & COM4 when not in BIOS. Also can use non-standard interrupts. Use to swap COM or LPT assignments.
File PORTFIND.ZIP from The Programmer’s Corner in
Category Utilities for DOS and Windows Machines
Port Finder version 2.72. Finds and activates COM, LPT, and Joystick ports. Use for COM3 & COM4 when not in BIOS. Also can use non-standard interrupts. Use to swap COM or LPT assignments.
File Name File Size Zip Size Zip Type
BH.COM 1181 794 deflated
COMMTEST.BAT 6093 985 deflated
INSTALL.BAT 10292 1821 deflated
MTSR.COM 2476 1614 deflated
MTSR.DOC 4480 1847 deflated
MUMB.COM 1285 796 deflated
MUMB.DOC 2944 1289 deflated
PF.COM 8286 3926 deflated
PF.DOC 19731 6478 deflated
PF.PIF 545 144 deflated
PF.SYS 2708 1391 deflated
PF261.COM 7575 3500 deflated
PFREVIEW.DOC 15856 6021 deflated
PRINTDOC.BAT 13078 1362 deflated
PROBLEM.DOC 4119 821 deflated
REGISTER.DOC 3200 1116 deflated

Download File PORTFIND.ZIP Here

Contents of the MTSR.DOC file

Product: MTSR mcTRONic Systems
Date: May 5, 1991 7426 Cornwall Bridge Ln.
Document: Product Information Houston, TX 77041-1709
Version: MTSR.COM R1.00 (713) 462-7687
CIS#: 74365,1716 Hours: 5-10 PM M-F CST

MTSR is a memory usage display program. It will display memory
usage for DOS, device drivers, TSR's and more if located within
the first 640K or loaded in the UMB (upper memory blocks) area
under DOS 5 or by QEMM (That is memory between 0000-9FFF, the
first 640K and the UMB area A000-FFFF). MTSR requires DOS 3.3 or
higher, but works best with DOS 4.0 or higher. You must be
running QEMM or have DOS 5 to look at the UMB area.

Syntax: [LH|LOADHI] MTSR [/?]

If the DOS 5 LH or QEMM LOADHI command are not used then MTSR
will display programs loaded in low memory, that is within the
first 640K of memory. If the LH or LOADHI command is included
before the MTSR command then MTSR will display those programs
loaded in the UMB area or memory between 640K and 1 Meg. If you
are not using DOS 5, you might considers renaming the QEMM pro-
gram LOADHI.COM file to LH.COM. It requires less keystrokes and
looks more like DOS 5. When MTSR is loaded into the UMB area,
you must have at least 3K of memory free or the load will fail.

If you add the /? at the end of the MTSR command line, then a
small help screen will be displayed. If you had a LH or LOADHI
at the beginning it will be ignored.

When MTSR is run, it will display five columns of information.
They are:

Segment, Starting to ending memory segment of program in hex.

Sg_Size, Segment size in bytes less 16 byte header.

PSP#, Program Segment Prefix, Segment address of owning program.

Owner, Owner file name from Memory control block or Environment.
If owned by DOS will be called or if unused.
When referring to an unusable UMB area it will display
which refers to a dummy terminal. See the Description/Unusable.

Description, Segment description in one of the following forms:

System Data, The first used memory area including the BIOS data,
interrupt vectors, and all or a portion of the two hidden DOS

DOS Kernel, used to describe the location of DOS loaded device
drivers. Device drivers loaded by QEMM show up as standard

Program, A Segment that has a PSP that indicates it owns itself.
This would be where the main body of a program is loaded.

Master Envi, This the Master Environment loaded after the first
copy of COMMAND.COM. It will be the same size that is reserved
by the /e:xxx command on the SHELL= line in your CONFIG file.

Environment, A copy of the master Environment as first loaded
after COMMAND.COM. It is a copy of the original and is turned
over to a TSR program when it loads after the Environment area.

Data, An area other than a copy of the Master Environment which
belongs to a loaded program. Data areas can yet be another copy
of the Environment or a small portion of code to be used when a
program returns from a Shell command.

Not In Use, Free Segment area not belonging to any program.

Unusable, Used in the UMB area to denote a dummy memory control
block required to make memory usage contingous. They allow DOS
to jump around such things as the Video adapter BIOS.

If you wish to print out the results of MTSR, it is best to first
run MTSR and redirect its output to a disk file, then use the
type command to send it to a printer.


MTSR is a shareware program and is included with the Port Finder
package. MTSR shall not be separated from PF but always included
with it. MTSR is Copyright (c) 1991 by mcTRONic Systems in
Houston, Texas.

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