AS you may notice, there is a new version of the memconf utility. I am proud that the improved x86 support was done using my Sun Ultra 20 as the reference Opteron (amd64) system ;-)

Here are the outputs before, and after Tom Schmidt's great work (look at the bold informations):

$ memconf -d
memconf:  V2.0 17-Oct-2006 http://www.4schmidts.com/unix.html
hostname: unic.thilelli.net
model:    Sun Ultra 20 Workstation (Solaris x86 machine)
Solaris Nevada snv_51 X86, 32-bit kernel, SunOS 5.11
2 x86 2211MHz cpus
diagbanner = Sun Ultra 20 Workstation
model = Sun Ultra 20 Workstation
modelmore = (Solaris x86 machine)
machine = i86pc
platform = i86pc
perl version: 5.008004
CPU Units:
==== Processor Sockets ====================================
Version                          Location Tag
-------------------------------- --------------------------
AMD Opteron(tm) Processor 148    Socket 939
Memory Units:
Type    Status Set Device Locator      Bank Locator
------- ------ --- ------------------- --------------------
unknown in use 0   A0                  Bank0/1
unknown in use 0   A1                  Bank2/3
unknown in use 0   A2                  Bank4/5
unknown in use 0   A3                  Bank6/7
total memory = 2047MB (1.9990234375GB)
$
$ memconf -d
memconf:  V2.1 29-Nov-2006 http://www.4schmidts.com/unix.html
hostname: unic
model:    Sun Ultra 20 Workstation (Solaris x86 machine)
Solaris Nevada snv_52 X86, 64-bit kernel, SunOS 5.11
1 AMD Opteron(tm) Processor 148 2211MHz cpu
diagbanner = Sun Ultra 20 Workstation
model = Sun Ultra 20 Workstation
modelmore = (Solaris x86 machine)
machine = i86pc
platform = i86pc
perl version: 5.008004
CPU Units:
==== Processor Sockets ====================================
Version                          Location Tag
-------------------------------- --------------------------
AMD Opteron(tm) Processor 148    Socket 939
Memory Units:
Type    Status Set Device Locator      Bank Locator
------- ------ --- ------------------- --------------------
unknown in use 0   A0                  Bank0/1
unknown in use 0   A1                  Bank2/3
unknown in use 0   A2                  Bank4/5
unknown in use 0   A3                  Bank6/7
total memory = 2048MB (2GB)