100 USD, UKP, RM, KR, Riyal, Dirham...? We will need to know the currency you'd like to spend apart from the budget.
Is this the board that you're looking at? If so, then
here's a list of all the CPU's it supports. I wouldn't go for anything above a Phenom II X4 960 due to the board's age and VRM degradation, on top of that no matter what you throw at it in terms of investment, you're not to see a proper return on investment.
So, simply put, I'd ask you to invest on a new platform to get a good return on investment.
On a second thought, might want to list your specs. Please include/list your specs like so:
CPU:
Motherboard:
Ram:
SSD/HDD:
GPU:
GPU:
PSU:
OS: