TF-20 should be S!G2 based if I am not wrong so you should be looking at RM/ZM Processors.
I just google and found out:
TF-20 is listed S1G1 by CPU World
However the laptop chipset is listed as M780G which uses S1G2 Processors so now even I am confused.
-------------------------
Acer Aspire 4530
AMD Turion X2 2.1GHZ RM-72 1MB L2 Cache
4GB DDR2 667MHZ
NVIDIA 9100M G
320GB WD BEKT
http://aspiregemstone.blogspot.com/