Hello free4sat,
You mention that you have 2 Labtool programmers and they are both upgraded to Labtool-48XP models, correct?
If they are in fact XP versions then they should not work with software v4.67. Software v4.67 is only suitable for use with the original Labtool-48 and the Labtool-48LV models.
The Labtool-48XP/UXP models must use software version
v8.32 or above.
Below are the upgrade paths showing which versions of the programmers can be upgraded to the latest UXP version and also how to identify the different versions.
A. D-48 (Firmware Version 1.9) *(1) can not be upgraded to D-48UXP.
B. D-48/LV (Firmware Version 2.0 and Above) *(2) can be upgraded to D-48UXP, please order the UXP Upgrade Kit.
C. D-48XP can be upgraded to D-48UXP, please order the UXP Upgrade Kit.
*1: No support for 3.3V device, upper PCB version is A3.0 or earlier
*2: Support for 3.3V device, upper PCB version is B1.0
You did not mention which version of Windows you are using, please specify.
If you are sure that your second programmer has been upgraded to the 48XP version but it does not connect the with the software then I would suspect a problem and I would advise that you send to the programmer to us for analysis in our lab.
If you have any questions, please contact me.
Best regards,
Neil Parker
Dataman Programmers