jeff,
 > I guess this board can supports low frequency sync signal
 > (30hz/15Khz), but I need to know the pinout of the connector on the
 > analog board.

I'd asked much the same question earlier this year. I'll email the
responses I received to you, but for anyone else interested, they
should do a search for "Powering a headless SE/30?" in the mailing
list archives.

-- 
Chris Baird,, <cjb@brushtail.apana.org.au>