Re: Is this my mother board model?
According to the eMachines website. Link here.
You only have One PCI Express ×1.
Which doesn't seem right to me. You should go ahead and check inside.
PC: AMD Phenom 9950 2.6ghz Quad Core, ATI Radeon HD 5770, 8gb DDR2 RAM
Phone: Apple iPhone 5s 64gb (jailbroken)
Handheld Games: Nintendo 3DS XL, Tapwave Zodiac 2, GamePark Holdings GP2X F100