[Ubuntu-zh] 两个显示控制器？

[RLP]

lshw or lspci 告诉我下列信息。谁知道为什么有两个controller，这是否与vga out有关？
>        *-display:0
>             description: VGA compatible controller
>             product: Mobile 945GME Express Integrated Graphics Controller
>             vendor: Intel Corporation
>             physical id: 2
>             bus info: pci在0000:00:02.0
>             version: 03
>             width: 32 bits
>             clock: 33MHz
>             capabilities: msi pm vga_controller bus_master cap_list rom
>             configuration: driver=i915 latency=0
>             resources: irq:16 memory:e8100000-e817ffff ioport:6000(size=8) memory:d0000000-dfffffff memory:e8180000-e81bffff
>        *-display:1 UNCLAIMED
>             description: Display controller
>             product: Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller
>             vendor: Intel Corporation
>             physical id: 2.1
>             bus info: pci在0000:00:02.1
>             version: 03
>             width: 32 bits
>             clock: 33MHz
>             capabilities: pm bus_master cap_list
>             configuration: latency=0
>             resources: memory:e8200000-e827ffff