Hi Iellel,
The mac was bought in 2007 but I guess that doesn't mean it's not a 2006 model. More info...
Model Identifier:iMac5,1
Processor Name:Intel Core 2 Duo
Processor Speed:2.16 GHz
Number Of Processors:1
Total Number Of Cores:2
L2 Cache:4 MB
Memory:2 GB
Chipset Model:ATY,RadeonX1600
Type:GPU
Bus:PCIe
PCIe Lane Width:x16
VRAM (Total):256 MB
Vendor:ATI (0x1002)
Device ID:0x71c5
Revision ID:0x0000
ROM Revision:113-xxxxxx-139
EFI Driver Version:01.00.139
Displays:
iMac:
Resolution:1680 x 1050