>>847
最低限の定義にもよるけど、こんなの
machine i386 x86
maxusers 8
options EXEC_ELF32,EXEC_SCRIPT
options I586_CPU,I686_CPU
options PIPE_SOCKETPAIR,VNODE_OP_NOINLINE,MALLOC_NOINLINE
makeoptions COPTS="-Os"
file-system FFS
options FFS_NO_SNAPSHOT
file-system NFS
options NFS_V2_ONLY
options INET
config netbsd root on wd0a type ffs
mainbus0 at root
cpu0 at mainbus0
isa0 at mainbus0
npx0 at isa? port 0xf0 irq 13
pc0 at isa? port 0x60 irq 1
wdc0 at isa? port 0x1f0 irq 14 flags 0x00
atabus* at ata?
wd* at atabus? drive ? flags 0x0000
fdc0 at isa? port 0x3f0 irq 6 drq 2
d* at fdc? drive ?
ne* at isa? port 0x280 irq 9
pseudo-device loop
pseudo-device pty
pseudo-device rnd
でstripして900kbyte弱。IDEはともかくnetworkはPCIじゃないとつらい?
ただし起動するかは知らん。