This video card does not work at all. I was testing a HP dv7-6117so laptop which could not boot to GUI and it had two previously unknown video cards including this one. Same thing happened with a Macbook Pro A1286 which had only one video card.

lspci -vmmnn (dv7-6117so)

Slot:	01:00.0
Class:	VGA compatible controller [0300]
Vendor:	Advanced Micro Devices [AMD] nee ATI [1002]
Device:	Whistler [AMD Radeon HD 6600M Series] [6741]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [3593]
PhySlot:	2

lspci -nnk (dv7-6117so)

01:00.0 VGA compatible controller [0300]: Advanced Micro Devices [AMD] nee ATI Whistler [AMD Radeon HD 6600M Series] [1002:6741]
	Subsystem: Hewlett-Packard Company Device [103c:3593]
	Kernel modules: radeon

lspci -vmmnn (Macbook Pro A1286)

Slot:	01:00.0
Class:	VGA compatible controller [0300]
Vendor:	Advanced Micro Devices [AMD] nee ATI [1002]
Device:	Whistler [AMD Radeon HD 6600M Series] [6741]
SVendor:	Apple Inc. [106b]
SDevice:	Device [00e2]

lspci -nnk (Macbook Pro A1286)

01:00.0 VGA compatible controller [0300]: Advanced Micro Devices [AMD] nee ATI Whistler [AMD Radeon HD 6600M Series] [1002:6741]
	Subsystem: Apple Inc. Device [106b:00e2]
	Kernel modules: radeon