How many mega bytes is in the Intel Graphics Media Accelerator X4500HD

[bcuzicn03]

Intel Graphics Media Accelerator X4500HD on dell inspirion 1545

 

[shovenose]

it shares (borrows, steals) from the RAM

 

[shovenose]

farther down this page:
http://www.intel.com/Products/Desktop/Chipsets/G45/G45-overview.htm
it says:
"Intel® Flex Memory Technology: Facilitates easier upgrades by allowing different memory sizes to be populated and remain in dual-channel mode. "