we need a netbsd FAQ.

the mb_map and ram size questions have passed over these lists
like 5 times in the last 2 weeks.

--

your machine is only seeing 32meg;
you need to use the following kernel config option
# Some BIOSes don't get the size of extended memory right.  If you
# have a broken BIOS, uncomment the following and set the value
# properly for your system.
#options        BIOSEXTMEM=...  # size of extended memory