Even vergeten hoeveel memory je video kaart ook al weer heeft. Of je hebt een bv onboard card die gebruik maakt van een deel van je normale memory (netops)

bekijk eerst op welke adres je video kaar zit met lspci.

xbmc@drake:~$ lspci
00:00.0 Host bridge: nVidia Corporation MCP79 Host Bridge (rev b1)
00:00.1 RAM memory: nVidia Corporation MCP79 Memory Controller (rev b1)
00:03.0 ISA bridge: nVidia Corporation MCP79 LPC Bridge (rev b2)
00:03.1 RAM memory: nVidia Corporation MCP79 Memory Controller (rev b1)
00:03.2 SMBus: nVidia Corporation MCP79 SMBus (rev b1)
00:03.3 RAM memory: nVidia Corporation MCP79 Memory Controller (rev b1)
00:03.5 Co-processor: nVidia Corporation MCP79 Co-processor (rev b1)
00:04.0 USB Controller: nVidia Corporation MCP79 OHCI USB 1.1 Controller (rev b1)
00:04.1 USB Controller: nVidia Corporation MCP79 EHCI USB 2.0 Controller (rev b1)
00:08.0 Audio device: nVidia Corporation MCP79 High Definition Audio (rev b1)
00:09.0 PCI bridge: nVidia Corporation MCP79 PCI Bridge (rev b1)
00:0a.0 Ethernet controller: nVidia Corporation MCP79 Ethernet (rev b1)
00:0b.0 SATA controller: nVidia Corporation MCP79 AHCI Controller (rev b1)
00:0c.0 PCI bridge: nVidia Corporation MCP79 PCI Express Bridge (rev b1)
00:10.0 PCI bridge: nVidia Corporation MCP79 PCI Express Bridge (rev b1)
00:15.0 PCI bridge: nVidia Corporation MCP79 PCI Express Bridge (rev b1)
00:16.0 PCI bridge: nVidia Corporation MCP79 PCI Express Bridge (rev b1)
00:17.0 PCI bridge: nVidia Corporation MCP79 PCI Express Bridge (rev b1)
00:18.0 PCI bridge: nVidia Corporation MCP79 PCI Express Bridge (rev b1)
03:00.0 VGA compatible controller: nVidia Corporation ION VGA (rev b1)
05:00.0 Ethernet controller: Atheros Communications Inc. AR5001 Wireless Network Adapter (rev 01)

Daarna kan je een gedetailleerde output opvragen van het device.

xbmc@drake:~$ sudo lspci -v -s 03:00.0
03:00.0 VGA compatible controller: nVidia Corporation ION VGA (rev b1)
       Subsystem: Acer Incorporated [ALI] Device 0222
       Flags: bus master, fast devsel, latency 0, IRQ 22
       Memory at fb000000 (32-bit, non-prefetchable) [size=16M]
       Memory at e0000000 (64-bit, prefetchable) [size=256M]
       Memory at f8000000 (64-bit, prefetchable) [size=32M]
       I/O ports at ec00 [size=128]
       [virtual] Expansion ROM at fafe0000 [disabled] [size=128K]
       Capabilities: [60] Power Management version 2
       Capabilities: [68] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable-
       Kernel driver in use: nvidia
       Kernel modules: nvidia, nvidiafb