If you are installingthe BocaBoard (BB1004 or BB1008) with PC-MOS,
the syntax for updating your config.sys provided on page 12
(section 4.2) of the manual in INCORRECT and should read as follows.

DEVICE=$SERIAL.SYS~
/AD=0280,IB=1024,OB=1024,IN=4,IF=14,OF=16~
/AD=0288,IB=1024,OB=1024,IN=4,IF=14,OF=16
DEVICE=C:\PCTERM.SYS