A "Memory allocation error" occurs.

The 'compress' feature displays a 'compress error'.

PCMOD is unable to communicate with an RVM when run on an IBM ThinkPad laptop.

Command 2 (recmod) doesn't work, it simply redisplays the main menu

How do you change the default RVM parameters so I don't have to go into "standard options" every time I load a module?

Command 7 (Direct module communications) doesn't work, it simply redisplays the main menu

Will PCMOD run on a 286?

PCMOD gives the error message "Unable to load 1st gen. barcodes to a CE1992 can machine" or "Unable to load CE1992 barcodes to a 1st gen. can machine".

PCMOD gives the error message "ansi.sys not installed" when started.

PCMOD gives the error message "W: path not found, file open error, PARMS.DO not found" when started.

PCMOD gives a "transmission started, then stopped" error message.

Module doesn’t communicate from the "Direct module communications" menu, but it communicates from the other menu items.

Module doesn’t communicate: "No response from module" errors.


A "Memory allocation error" occurs.
[added 7-27-05] Check c:\autoexec.bat to make sure that DOS is loaded high and all device drivers are loaded high, such as:

device=c:\dos\himem.sys
dos=high,umb
devicehigh=c:\dos\ansi.sys
files=80
buffers=20

Use the "mem" DOS command to see if the "largest executable program size" increases after this change.

The 'compress' feature displays a 'compress error'.
[added 11-26-03] If you are running PCMOD via the 'mainmenu' program, exit to DOS and run PC.BAT instead.

PCMOD is unable to communicate with an RVM when run on an IBM ThinkPad laptop.
[added 11-24-03] It appears the ThinkPad's COM port is disabled by default when running DOS. Typing "MODE COM1" would display "Illegal device name COM1". Both PCRVM and PCMOD will not communicate with an RVM in DOS. Boot to Windows and PCRVM will then able to communicate with an RVM (I didn't try PCMOD but I assume it would also work).

To enable the COM port in DOS, run the batch file 'enable.bat' on the IBM:
- insert the floppy and type "a:enable" from a C: prompt

If you get a "bad command or file name" message then you need to install the IBM ThinkPad Utility for DOS (ps2.exe and related files) which is supposed to be located at c:\drivers\win\utility.

Installation instructions:

  1. on your pc, unzip the contents of uttcpdos.zip (uttcpdos.exe, enable.bat) to a floppy disk
  2. boot the IBM laptop into windows
  3. insert the floppy disk into the IBM
  4. double-click My Computer, double-click the floppy drive icon (A:)
  5. double-click uttcpdos.exe to run the "InstallShield Wizard for IBM ThinkPad Utility for DOS"
  6. click Next | I accept | Next | Next | Finish
  7. double-click the "enable" icon on the floppy to run 'enable.bat' which displays: "This batch file enables the COM port for DOS program on an IBM ThinkPad" "Restart the system for changes to take effect"
  8. If enable.bat doesn't display an error message, remove the floppy and reboot; the laptop will beep a few times but will eventually display the normal Startup Menu
  9.  If enable.bat displays an "IRQ conflict" error message:
    a) boot into DOS and change to the c:\drivers\win\utility directory
    b) type "PS2 ? IRQ" to display the "System IRQ assignments".
    On the right side, note which devices are assigned to IRQ 4 which are marked as "O" or "X".
    c) If the IRQ 4 setting for "IR" is set to "O", disable the IR port by typing "PS2 IR d".
    Reboot, then type "\enable" to enable the COM port.
    If another "IRQ conflict" message appears repeat step b) and disable the appropriate device using IRQ 4.
  10. PCMOD and PCRVM should now work from DOS

You only need to enable the COM port once on each laptop, the laptop remembers the configuration. If for some reason the COM port becomes disabled in the future, simply run C:\enable.bat to re-enable the COM port (enable.bat copies itself to c:\).

Command 2 (recmod) doesn't work, it simply redisplays the main menu
[updated 7-10-03] If no recmod serial number files are present in the barcodes directory (typically c:\barcodes) this will occur.
If a batch file is used to run PCMOD, such as 1.bat or pc.bat, look in the batch file and determine what directory PCMOD is using for a barcodes directory. In the batch file, the line "pcmod h o=\test\ b=\test\" is telling PCMOD to look in the \test for barcodes (the "b=" command-line argument). If no "b=" argument exists, PCMOD defaults to using \barcodes.
PCMOD version 7/9/02 and later expect the recmod serial number files to be named *.SNP, earlier versions of PCMOD used *.SN.

How do you change the default RVM parameters so I don't have to go into "standard options" every time I load a module?
[added 9-25-00] Change the appropriate parameter in the appropriate parameter file:

  • c:\parms.do for 200-series can, glass, and PET RVMs
  • c:\m_parms.do for CE1992 can RVM and MU1000 glass & PET RVMs.


Command 7 (Direct module communications) doesn't work, it simply redisplays the main menu.
[added 2-8-00] The TALK.EXE and/or TALK2.EXE programs are not in the current directory that PCMOD is running from or TALK/TALK2 are not in the path.

Will PCMOD run on a 286?
Sure. It will even run on the original IBM PC (8088).

PCMOD gives the error message "Unable to load 1st gen. barcodes to a CE1992 can machine" or "Unable to load CE1992 barcodes to a 1st gen. can machine".
Assuming you have no way of producing the appropriate barcode file, you can manually edit the barcode table to make it load. The only difference between these two files is one of the first header lines in the file that begins with "#TA". "#TA" means this is intended for a 1st generation can machine, "#TAA" is for a CE1992 can machine.

PCMOD gives the error message "ansi.sys not installed" when started.
Add the line "devicehigh=c:\dos\ansi.sys" to C:\CONFIG.SYS, then reboot the PC. Note: if the PC is running Windows 95 (or later), then use "devicehigh=c:\windows\command\ansi.sys" instead of "devicehigh=c:\dos\ansi.sys".

If you’re not sure where ansi.sys is located, type in "dir ansi.sys /s".PCMOD gives the error message "W: path not found, file open error, PARMS.DO not found" when started.
The directory \OPTIONS was not found. This can occur if PCMOD was copied to a new PC without setting up the proper directory structure. Create \OPTIONS and \BARCODES directories via the "MD OPTIONS" and "MD BARCODES" from C:\.

Copy all barcode files to \BARCODES, option files to \OPTIONS (see PCMOD documentation for more detail). You’ll also need to copy VERSIONS.DAT to C:\.

PCMOD gives a "transmission started, then stopped" error message.
Check the barcode file for any illegal characters such as "Z". Make sure the module has enough memory.

Module doesn’t communicate from the "Direct module communications" menu, but it communicates from the other menu items.
Perform "display module parameters" from the menu. If this works, this indicates that you need to put the line "MODE COM1:96,N,8,1" into your AUTOEXEC.BAT file. 

Module doesn’t communicate: "No response from module" errors.
- Make sure you are using the correct COM port. PCMOD defaults to COM1. If you are using COM2, then you need to run "PCMOD 2", or PC.BAT (as in Michigan). Typically, COM1 is a 9-pin connector. Do not use the 25-pin female connector on the back of the PC, that is the printer/parallel port.

- Make sure the module is firmly plugged into the machine and the machine is on and is receiving power.

- Make sure the communications cable is firmly plugged into the module and the PC.

- Try a known good communications cable.

- Try a known good module to determine if it is a cable/COM port problem.

- Verify that your COM port is working by temporarily connecting an external modem to the COM port and issuing an "AT" command to the modem (via terminal software such as Procomm or the Windows hyper terminal) and see if it responds with "OK".

- Make sure there isn’t a mouse driver installed in your config.sys or autoexec.bat that is using the same COM port that the module is connected to.

- If using Windows 95 or later, press F8 when booting the PC and select "command mode" before running PCMOD.

See the PCMOD documentation for the RS-232 cable pinout.

 
 

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          page last updated: 11/27/13 10:37 AM