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-
- PORT FINDER ver. 2.00 by mcTRONic Systems
-
- PORT FINDER is a very versatile program. It will display
- your computer type and bios date. It will detect and display
- COM1 to COM4 and LPT1 to LPT3 ports that are responding. You can
- swap COM or LPT ports addresses instead of swapping cables. If
- you are using DOS 3.3 or higher and have COM3 and/or COM4, PORT
- FINDER will activate both COM3 and/or COM4. DOS will then
- recognize these ports and you will be able to use the DOS MODE
- command. Any other programs that operate through DOS should
- accept COM3 and/or COM4. Your serial port count will also be
- increased. If you have a new IBM PS/2 computer COM3 and/or COM4
- will already be activated. You can use PORT FINDER to reset both
- COM and LPT port addresses in case you forget what address is
- what. PORT FINDER can also be used in a BATCH file to detect
- which COM ports are present. An Errorlevel is set for all
- possible combinations. An example batch file COMMTEST.BAT is
- included.
-
- Any program that directly addresses the COM or LPT ports
- will not be affected by PORT FINDER. Any program that uses DOS
- to address the COM or LPT ports, will work with PORT FINDER,
- allowing you to swap any port address you like. Activation of
- COM3 or COM4 port does require DOS 3.3 or higher and a COM3 or
- COM4 port.
-
- PORT FINDER requires no run time parameters, to display
- responding COM and LPT ports on all systems, or to activate
- alternate COM ports on PC/XT/AT systems. DOS 3.3 and higher only
- supports access to a maximum of 4 COM and 3 LPT ports. The
- optional PORT FINDER parameters for parm1 and/or parm2 with
- descriptions are:
-
- d:>PF [parm1] [parm2]
-
- H - Display this help screen C23 - Swap COM ports 2 and 3
- RC - Reset COM port addresses C24 - Swap COM ports 2 and 4
- RL - Reset LPT port addresses C34 - Swap COM ports 3 and 4
- C12 - Swap COM ports 1 and 2 L12 - Swap LPT ports 1 and 2
- C13 - Swap COM ports 1 and 3 L13 - Swap LPT ports 1 and 3
- C14 - Swap COM ports 1 and 4 L23 - Swap LPT ports 2 and 3
-
- NOTES:
-
- All parameter letters can be upper or lower case. The COM
- and LPT port addresses displayed always indicate the final
- location after all port swaps and resets have been exacuted.
- Enter all port numbers with low first then high.
-
- I highly recommend that you not leave any address holes for
- either the COM or LPT ports. As an example do not have only COM1
- and COM3 with no COM2. Do not have a LPT2 and LPT3 with no LPT1.
- If you have one port it should be 1, two ports should be 1 and 2
- and so forth. Swap only ports that you have. While nothing is
- wrong with testing out a port address you do not have by swapping
- an address you have to it, you and your system may become
- confused. Use the RC or RL functions to restore all standard
- port address locations. If you have any problems with your
- system after using PORT FINDER then stop using it.
-
-
-
-
-
-
- TECHNICAL DATA:
-
- DOS assigns COM and LPT numbers, from LOW to HIGH, to all
- responding I/O ports in order as they are found and non-
- responding I/O ports addresses are skipped.
-
- MACHINE COMx I/O INT. MEM
-
- ALL COM1 3F8 HEX IRQ4 40:00
- ALL COM2 2F8 HEX IRQ3 40:02
- PC/XT/AT COM3 3E8 HEX IRQ4 40:04
- PC/XT/AT COM4 2E8 HEX IRQ3 40:06
- PC/XT/AT COM5 2E0 HEX IRQ4 NONE
- PC/XT/AT COM6 3E0 HEX IRQ3 NONE
-
- PS/2 COM3 3220 HEX IRQ3 40:04
- PS/2 COM4 3228 HEX IRQ3 40:06
- PS/2 COM5 4220 HEX IRQ3 NONE
- PS/2 COM6 4228 HEX IRQ3 NONE
- PS/2 COM7 5220 HEX IRQ3 NONE
- PS/2 COM8 5228 HEX IRQ3 NONE
-
-
- SERIAL PORT COUNT IS AT MEM 40:11 BITS 2, 3, AND 4.
-
- ErrorLevel COM1 COM2 COM3 COM4
-
- 0 0 0 0 0
- 1 X 0 0 0
- 2 0 X 0 0
- 3 X X 0 0
- 4 0 0 X 0
- 5 X 0 X 0
- 6 0 X X 0
- 7 X X X 0
- 8 0 0 0 X
- 9 X 0 0 X
- 10 0 X 0 X
- 11 X X 0 X
- 12 0 0 X X
- 13 X 0 X X
- 14 0 X X X
- 15 X X X X
-
- (X means COMx is there)
-
- PORT ADDRESS MEM
-
- LPT1 3BC HEX 40:08 (may be included on MDA or other card)
- LPT2 378 HEX 40:0A (may be addressed as LPT1 on PC,XT,AT)
- LPT3 278 HEX 40:0C (may be addrresed as LPT2 on PC,XT,AT)
-
- DISCLAIMER:
-
- PORT FINDER is not guaranteed in any way. Use at your own
- risk! I have made every attempt to get it right but testing it
- on every machine configuration is not possible. If you have
- problems with PORT FINDER then stop using it and let me know.
-
- This program is yours to use and freely copy. You can not
- sell PORT FINDER or change any fee for its use. A distribution
- fee of not more than $5.00 can be charged with my written consent.
-
-
-
-
- Thank You,
-
-
- James D. McDaniel
- Owner/Programmer
-
- mcTRONic Systems
- 7426 Corwall Bridge Ln.
- Houston, TX 77041-1709
- (713) 462-7687
-
-
- * If you need a good mail list program then send for my
- shareware program MAILALL. It is the best and least exspensive
- mail list program you can buy for a small company or personal use.
-
- MAILALL will maintain the names of up to 20 address files each
- with 4000 addresses on a hard disk or 1500 addresses per floppy
- disk. There are nine data fields and you can sort the address
- file by any two that you wish. MAILALL will print Labels (up to
- four across), Reports, and Envelopes. You can edit or print all
- functions based on address search matches from one to all nine
- fields. MAILALL can import or export WORDSTAR mailmerge data
- files and can export MULTIMATE ADVANTAGE II mailmerge files. It
- cost just $27.50 shipped FIRST CLASS MAIL to you. Send for it
- today!
-
- PORT FINDER, COPYRIGHT (C) 1988 by mcTRONic Systems
- MAILALL, COPYRIGHT (C) 1987, 1988 by mcTRONic Systems
-
- DOCUMENT DATE: September 7, 1988