I can only talk about the VDIP1 as that is the only one I have used so far.
Quote Originally Posted by camolas View Post
1- Thas CTS pin is connected to GND and "RstVDIP1 var portb.4 'active LOW reset line to VDIP1" port in the above code?
Yes, the CTS pin is connected to ground. The RESET pin on the VDIP is not needed to be connected unless you want to reset the VDIP with the PIC. A power down and up will reset the VDIP.
2- There is a need to put same resistors or others things on the 4 vdip2 and 4 pic conections?
I do not use any resistors. Might be a good idea though.
3- What new firmware did you put to updat the vdip and please can explain me the how to precess?
The VDIP1 comes with firmware burned in from the factory. The firmware can be modified / customized somewhat.

Here is a good page to start
http://www.vinculum.com/

This page has the different firmwares available
http://www.vinculum.com/downloads.html#vfirmware

Near the bottom of that page in applications and utilities. there is a program called
Vinculum Firmware Customiser (V1.1b)

This allows to modify some of the main settings of the firmware. Once the firmware has been modified, if using the VDIP1, copy the firmware to the root of a USB "thumb drive". Placs the drive into the VDIP1, at power up the VDIP1 will load the new firmware from the "thumb drive". This all can also be accomplished via serial port connected to the VDIP1 but the flash/thumb drive is so easy.