Geeetech

Hello now iv'echecked upp your solutions
1 autoreset jumper tested bot in place and not in place. no difference!!
2 if usb\pwr juper is not in place it des\nt detect board as com6 . so it must work..
3 both chip 4050D and ftdi 232 looks alright and well soldered in a weak magnifier.
4 sanguino w ...

Thanks for that information. Then is the question what is wrong. Because i cannot uppload any firmware, nor sketches like tiny arduino "blink" ...
Still belive it is transport damage due to poor package. Two wraps bouble plastic and then put in a box of 20x30x5 cm that when arrived had the measure ...

Win Xp diamond

Driver?

Compile with arduino IDE 1.0.5

tried to load bootloader with arduino and parallell programmer DAPA..

no response

Win xp diamond.

In arduino IDE1.0.5 it shows up asCOM 6.

Compiler? Arduino mentined above. Tried load bootoade by a hombuilt parallell programmer (DAPA)

I want repetier firmware bu it have only atmega1248 preloaded for melzi.my have atmega644p.

Win xp diamond.

Is bootloader preinstalled?

It shows up as com 6. In arduino IDE> tools> serial ports.

Driver? I have teensyu serial port istalled. As firmware i wanted repetier. Is that ok? That one sugest atmega1280 for melzi.. 644p is sugested to sanguonololu.

I have problem with my melzi ardentissimo tha t i bougt by Evelina Deng.

It have no light on LED! is it OK?

I assume there is no Bootloader Installed(?( it have atmega644P 20

I cannot uppload anything to it. I use DAPA and Arduino IDE1.0.5 with your IDE help files installed in hardware in arduino ...