I'm currently using Ubuntu 12.04 64bit. After installing ATI/AMD proprietary FGLRX graphics drivers via Additional Drivers, I checked the status of my VGA card using lspci -v. Here's the output:
02:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI M96 [Mobility Radeon HD 4650] (prog-if 00 [VGA controller])
Subsystem: Dell Device 0456
Flags: bus master, fast devsel, latency 0, IRQ 46
Memory at d0000000 (32-bit, prefetchable) [size=256M]
I/O ports at 2000 [size=256]
Memory at cfef0000 (32-bit, non-prefetchable) [size=64K]
[virtual] Expansion ROM at cfe00000 [disabled] [size=128K]
Capabilities:
Kernel driver in use: fglrx_pci
Kernel modules: fglrx, radeon
As mentioned in the title, my VGA card is 1GB and yet my computer only recognizes 256MB. My question is: "How to make my computer fully recognize the capacity of my ATI Mobility Radeon HD 4650 (1GB)?"
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