Flashing the AT90S4433 Flashrom:
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You need a PC with DOS or Win9X. Win NT does not work.

1)Build the SP12_cable (see eagle attachment) 

2)Download flash program SP12v0_7.exe 
from "http://www.xs4all.nl/~sbolt/e-spider_prog.html

3)download Rom-Image from
"www.jhansmann.de\work\eeg\eeg_files\RS232EEG_release010226\AT90S4433 firmware\firmware rom image\firmware_EEG02_001214.rom"

4) initialize PC- parallelport with:
     sp12.exe -i

5) connect SP12cable with PC-parallelport and RS232EEG 2x3 pinhead programming connector

6) activate power supply for RS232EEG

7) burn ROM-image:
    sp12.exe -wpfC firmware_EEG02_001214.rom -T1

8) _DANGER_ : disconnect the SP12cable before connecting the EEG to a test subject !!!!
(That is important because the SP12cable crosses the opto-isolator and connects PC-ground
to EEG-Ground)
