Can't upload anything to homemade Severino S3V3

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hello!

this first post here, hope correct section. i've found posts of people similar problems, none of them mine, , none of solutions worked me. first of all, story:

i decided build own arduino board , found severino on official website(http://arduino.cc/it/main/arduinoboardserialsinglesided3 ); built thing, , burning bootloader onto atmega168 microcontroller used friend's demilanove /w atmega328. completed process successfully, burned second microcontroller, atmega8 using same procedure. far good.

now:

i connected external power supply: 9v battery; connected serial-to-vga cable (my computer doesn't have serial port, vga...). of course power led on; led 13 blinking continuously, tx , rx aren't blinking @ all. board doesn't appear under device manager, , if "unknown device", installation of drivers in impossible. sometimes, when connected pc, led 13 blinked fast 5 seconds, all. when try upload sketch, autoreset pins on jumper 1 not connected, , pins 2&3 on jumper 0 connected serial communication. tried pressing reset button in combination, no result.

i following message every time, no matter do:
"binary sketch size: 1026 bytes (of 14336 byte maximum)
avrdude: stk500_getsync(): not in sync: resp=0x00"

i've tried find on internet past 5 have ideas of problem be? determined complete board, , that's not happening until first sketch uploaded... i'd appreciate help.

system configuration:
windows 7 32bits
arduino 1.0 software
only vga port, no serial

if need other information, provide them home. in advance!

hmm - no serial port, vga???? maybe fault. need connect board serial port upload, if have usb ports, can usb serial converter ebay (quite cheap) or usb ttl converter (use pins 2 & 3 tx & rx , pin 1 - reset dtr)

hope helps


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