The 32-bit LispWorks Professional/Enterprise software package file is called
lispworks-32bit-6.1.tgz
and can be found in the
x86-freebsd
directory of the LispWorks 6.1 download or on the back-up CD-ROM.
The 64-bit LispWorks Enterprise software package file is called
lispworks-64bit-6.1.tgz
and can be found in the
amd64-freebsd
directory of the LispWorks 6.1 download or on the back-up CD-ROM.
The Personal Edition software package file is called
lispworks-personal-32bit-6.1.tgz
LispWorks Release Notes and Installation Guide - 23 Dec 2011