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Even recently shipped PK3s are coming with 01.29.xx, and 01.34.11 was the firmware suite with the two year old XIPE 2.26. 01.40.xx is the most recent one in the latest XIPE (AFAIK).

Ive never used it with MPLABX or IPE before, just the old stuff.

Have you gone into advanced settings and selected Power Target From Tool I believe the IPE is trying to connect to the PICkit3 itself, not the device.

PICkit it says connection failed, obviously the PICkit itself.

But I have tried several target devices and they dont work either.

Its really quite a mess.

No kidding. I cant even flash new firmware into my PICkit, as both the older PICkit programmer sofwtare does not talk to it, neither MPLABX IPE.

Maybe some version of older MPLAB My latest product has a PIC and I dont even have a usable tool to talk to it.

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I have no idea on a sane upgrade path to get MPLab X to work, though.

Pickit 3 Ing Boot Loader Windows Download The Older

You can download the older software packages from and go to Downloads Archive tab.

On the bottom of the page you also have the Stand Alone Programmer App v1.0 and Programmer App v3.10.

There is also a revert OS button, but that obviously requires a connection first.

Im pretty certain MPLAB IDE and MPLAB X share the same OS firmware, but MPLAB X doesnt workconnect with the really old OSes.

I bought a PICKIT3 through Farnell 1 year back, and it still had this firmware.

Pickit 3 Ing Boot Loader Windows Install MPLAB IDE

I had to install MPLAB IDE first in order for the PICKIT3 to be recognized by MPLAB X.

Although the PK3 supports programming PIC10s through to the new PIC32MZ, switching OS and AP profiles is slow and more complicated than it should have been (especially with backwards compatibility problems).

O switch debugger onto a different USB port (really, this sometimes works) O create a random project in MPLAB 8.92, force a firmware update in the debugger settings, choosing the latest 8.92 pickit 3 firmware (.JAM file), then close MPLAB 8.92.

Open up MPLAB X IDEIPE, allowing it to update the firmware, then try it.

When downloading new debugger firmware, if it appears to hang for more than a couple of minutes in the Bootloader, RS or AP phases, physically remove the debugger and re-attach it a few seconds later.

I have just tried connecting to a quick breadboarded PIC24EP256GP202 which I had in stock (same device, but more memory) and it works with MPLAB X 3.15 both in the IDE and the IPE, and I can erase the device and program a blinky successfully in both IDE and IPE.

Compatibility mode did nothing to help the issue and the only fix was to revert to a windows 7 machine.

He tried to reprogram the firmware using an ICD2 but it did not help.

He finally bought another one and it worked without any problems.

Then there is firmware suite.

This firmware suite is different between versions of XIPE and it is stored as a jam file, and in MPLAB X the jam file is further zipped in a JAR file in the PK3 folder.

The PK3 will come with a certain JAMFW suite preinstalled, which is most certainly not up to date with your version of X.

Even recently shipped PK3s are coming with 01.29.xx, and 01.34.11 was the firmware suite with the two year old XIPE 2.26.

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