Alex Deucher, I have an AMD Radeon HD 6470M but I can't select which
card I want to use in the BIOS setup.
How do I know if my GPU display is MUXes or MUX-less? I've tried to
select the discrete card using vgaswitcheroo but i get a black screen
and the computer crashes.
# lspci -v
01:00.0 VGA compatible controller: ATI Technologies Inc NI
Seymour00:02.0 VGA compatible controller: Intel Corporation 2nd
Generation Core Processor Family Integrated Graphics Controller (rev
09) (prog-if 00 [VGA controller])
Subsystem: Dell Device 04ca
Flags: bus master, fast devsel, latency 0, IRQ 54
Memory at f6400000 (64-bit, non-prefetchable) [size=4M]
Memory at d0000000 (64-bit, prefetchable) [size=256M]
I/O ports at f000 [size=64]
Expansion ROM at <unassigned> [disabled]
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [d0] Power Management version 2
Capabilities: [a4] PCI Advanced Features
Kernel driver in use: i915
[AMD Radeon HD 6470M] (prog-if 00 [VGA controller])
Subsystem: Dell Device 04ca
Flags: bus master, fast devsel, latency 0, IRQ 56
Memory at e0000000 (64-bit, prefetchable) [size=256M]
Memory at f7b20000 (64-bit, non-prefetchable) [size=128K]
I/O ports at e000 [size=256]
Expansion ROM at f7b00000 [disabled] [size=128K]
Capabilities: [50] Power Management version 3
Capabilities: [58] Express Legacy Endpoint, MSI 00
Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010
<?>
Capabilities: [150] Advanced Error Reporting
Kernel driver in use: radeon
# uname -a
Linux willian 3.0.0-1-amd64 #1 SMP Wed Aug 17 04:08:52 UTC 2011 x86_64 GNU/Linux
Thank you very much.
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