Dick, visit
www.lowendmac.com and you will likely find
answers to
all/most of your questions. It is a pretty comprehensive site.
I agree...great site. I use it as a jumping-off point for
various news items each day. The direct URL for info on the machine,
including specs and upgrades, that he is looking for is:
http://www.lowendmac.com/quadra/q630.shtml
Jeff
--
Home of the TRS-80 Model 2000 FAQ File
http://www.cchaven.com
http://www.geocities.com/siliconvalley/lakes/6757