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Well I connected usb for power and iscp to com port. When I transferred file to pic it was successful but there no detection by window as new usb device. When i tried again again it gave message programming error message. But next instant surprisingly window detected a new usb audio device. So do you think that everything went all right ?

And another thing is that iscp connector has 6 pins and only 4 are used. So i must with do with first and second pin. Do I have short then with jumper or something?

Thanks

ubaid88 wrote:Well I connected usb for power and iscp to com port. When I transferred file to pic it was successful but there no detection by window as new usb device. When i tried again again it gave message programming error message. But next instant surprisingly window detected a new usb audio device. So do you think that everything went all right ?

Verify firmware in PIC18F2550 against firmware in the file to make sure they match. Also see this: http://www.megadrum.info/forums/viewtopic.php?f=3&t=268

And another thing is that iscp connector has 6 pins and only 4 are used. So i must with do with first and second pin. Do I have short then with jumper or something?

They're simply not used.

ubaid88 wrote:When I transferred file to pic it was successful but there no detection by window as new usb device.

You'll need to power cycle Megadrum after the transfer for the OS to recongnise a new device again.