Hi,
Im trying to find memory and other resources in IBM AIX. Please let me know how to do this.
Kind of a generic question, but you can try running 'topas' to get some information.
you can also try using 'prtconf'. This will give you a TON of info about your system in terms of hardware.
-S
"lscfg" might also help. And don't forget to try the "-v" switch as well. 
try prtconf.
Description
If you run the prtconf command without any flags, it displays the system model, machine serial, processor type, number of processors, processor clock speed, cpu type, total memory size, network information, filesystem information, paging space information, and devices information.