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2015-07-28 回答

lspci  | grep -i vga

这样就可以显示机器上的显卡信息，比如

[root@localhost conf]# lspci | grep -i vga01:00.0 VGA compatible controller: nVidia Corporation Device 1081 (rev a1)

02:00.0 VGA compatible controller: nVidia Corporation GT215 [GeForce GT 240] (rev a2)

08:05.0 VGA compatible controller: ASPEED Technology, Inc. ASPEED Graphics Family (rev 10)

如果想看详细的信息，比如 GeForce GT 240，即 02:00.0

[root@localhost conf]# lspci -v -s 02:00.0

02:00.0 VGA compatible controller: nVidia Corporation GT215 [GeForce GT 240] (rev a2) (prog-if 00 [VGA controller])

Subsystem: ASUSTeK Computer Inc. Device 8351

Flags: bus master, fast devsel, latency 0, IRQ 169

Memory at f9000000 (32-bit, non-prefetchable) [size=16M]

Memory at d0000000 (64-bit, prefetchable) [size=256M]

Memory at ce000000 (64-bit, prefetchable) [size=32M]

I/O ports at bc00 [size=128]

[virtual] Expansion ROM at f8f80000 [disabled] [size=512K]

Capabilities: [60] Power Management version 3

Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+

Capabilities: [78] Express Endpoint, MSI 00

Capabilities: [b4] Vendor Specific Information: Len=14 >

Capabilities: [100] Virtual Channel

Capabilities: [128] Power Budgeting >

Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024 >

Kernel driver in use: nvidia

Kernel modules: nvidiafb, nvidia

可以看到GT240的显存是 256M

但是我的系统上其实是装了两块显卡的，还有一块显示不出来，这个时候，对于nvidia显卡的话可以用nvidia-smi命令来查

[root@localhost conf]# nvidia-smi