~$ lspci -k | grep driver
        Kernel driver in use: agpgart-intel
        Kernel driver in use: PIIX_IDE
        Kernel driver in use: uhci_hcd
        Kernel driver in use: piix4_smbus
        Kernel driver in use: ENS1371
        Kernel driver in use: natsemi
        Kernel driver in use: EMU10K1_Audigy
        Kernel driver in use: Emu10k1_gameport
        Kernel driver in use: nvidia
~$ cat /proc/driver/nvidia/agp/host-bridge
Host Bridge:     PCI device 8086:7190
Fast Writes:     Not Supported
SBA:             Supported
AGP Rates:       2x 1x
Registers:       0x1f000203:0x00000102
~$
~$
~$ cat /proc/driver/nvidia/agp/status
Status:          Enabled
Driver:          AGPGART
AGP Rate:        2x
Fast Writes:     Disabled
SBA:             Disabled
~$
~$
~$ cat /proc/mtrr
reg00: base=0x00000000 (   0MB), size= 512MB: write-back, count=1
~$ cat /proc/driver/nvidia/agp/card
Fast Writes:     Supported
SBA:             Not Supported
AGP Rates:       4x 2x 1x
Registers:       0x1f000017:0x1f000102
~$
~$
~$ rgrep intel_agp /etc/mod*
/etc/modprobe.d/blacklist:## blacklist intel_agp
~$ rgrep agpgart /etc/mod*
/etc/modules.conf:alias char-major-10-175       agpgart
/etc/modules.conf:## install agpgart /bin/true
/etc/modules.conf.old:alias char-major-10-175   agpgart
/etc/modutils/aliases:## alias char-major-10-175        agpgart
/etc/modutils/aliases:install agpgart /bin/true
~$
~$
~$ dmesg | grep -i gart
[   32.392584] Linux agpgart interface v0.103
[   33.027901] agpgart: Detected an Intel 440BX Chipset.
[   33.064010] agpgart: AGP aperture is 256M @ 0xe0000000
[   81.699309] agpgart: Found an AGP 1.0 compliant device at 0000:00:00.0.
[   81.699392] agpgart: Putting AGP V2 device at 0000:00:00.0 into 2x mode
[   81.699477] agpgart: Putting AGP V2 device at 0000:01:00.0 into 2x mode
~$
~$ lsmod | grep -i agp
nvidia_agp              6108  0
intel_agp              22300  1
agpgart                28776  4 nvidia,drm,nvidia_agp,intel_agp
~$
~$
~$ sudo nano /etc/modprobe.d/nvidia
~$ dmesg | tail
[   60.424658] ReiserFS: hdc3: using journaled data mode
[   60.447659] ReiserFS: hdc3: journal params: device hdc3, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30
[   60.492034] ReiserFS: hdc3: checking transaction log (hdc3)
[   60.546214] ReiserFS: hdc3: Using r5 hash to sort names
[   64.172189] eth0: DSPCFG accepted after 0 usec.
[   64.176022] eth0: link up.
[   64.176022] eth0: Setting full-duplex based on negotiated link capability.
[   81.699309] agpgart: Found an AGP 1.0 compliant device at 0000:00:00.0.
[   81.699392] agpgart: Putting AGP V2 device at 0000:00:00.0 into 2x mode
[   81.699477] agpgart: Putting AGP V2 device at 0000:01:00.0 into 2x mode
~$ cat /proc/driver/nvidia/agp/* | egrep 'Fast|SBA' | sort
Fast Writes:     Disabled
Fast Writes:     Not Supported
Fast Writes:     Supported
SBA:             Disabled
SBA:             Not Supported
SBA:             Supported
~$ cat /proc/driver/nvidia/cards/0
Model:           GeForce2 MX/MX 400
IRQ:             11
Video BIOS:      03.11.01.30.41
Card Type:       AGP
DMA Size:        32 bits
DMA Mask:        0xffffffff
~$ cat /proc/driver/nvidia/
agp/      cards/    registry  version   warnings/
~$ cat /proc/driver/nvidia/
~$
~$
~$ cat /proc/driver/nvidia/
agp/      cards/    registry  version   warnings/
~$ cat /proc/driver/nvidia/version
NVRM version: NVIDIA Linux x86 Kernel Module  96.43.07  Wed Jul  2 12:17:43 PDT 2008
GCC version:  gcc version 4.1.3 20070718 (prerelease) (Debian 4.1.2-14)
~$
~$ cat /proc/driver/nvidia/warnings/README
The NVIDIA graphics driver tries to detect potential problems
with the host system and warns about them using the system's
logging mechanisms. Important warning message are also logged
to dedicated text files in this directory.
~$
~$ cat /proc/driver/nvidia/registry
VideoMemoryTypeOverride: 1
EnableVia4x: 0
EnableALiAGP: 0
NvAGP: 3
ReqAGPRate: 15
EnableAGPSBA: 1
EnableAGPFW: 1
SoftEDIDs: 1
Mobile: 4294967295
ResmanDebugLevel: 4294967295
FlatPanelMode: 0
DevicesConnected: 0
RmLogonRC: 1
VbiosFromROM: 0
ModifyDeviceFiles: 1
DeviceFileUID: 0
DeviceFileGID: 44
DeviceFileMode: 432
RemapLimit: 0
UpdateMemoryTypes: 4294967295
DetectPrimaryVga: 1
EnableBrightnessControl: 0
PanelPWMFrequency: 1018
PanelBrightnessLimits: 65280
RMEdgeIntrCheck: 1
UsePageAttributeTable: 4294967295
~$
~$ cat /proc/interrupts
           CPU0
  0:         61    XT-PIC-XT        timer
  1:       1604    XT-PIC-XT        i8042
  2:          0    XT-PIC-XT        cascade
  3:          2    XT-PIC-XT
  4:          2    XT-PIC-XT
  6:          5    XT-PIC-XT        floppy
  8:          0    XT-PIC-XT        rtc0
  9:          0    XT-PIC-XT        acpi, uhci_hcd:usb1, EMU10K1
 10:         31    XT-PIC-XT        eth0
 11:      28625    XT-PIC-XT        Ensoniq AudioPCI, nvidia
 12:       2412    XT-PIC-XT        i8042
 14:       8837    XT-PIC-XT        ide0
 15:       7659    XT-PIC-XT        ide1
NMI:          0   Non-maskable interrupts
LOC:      39227   Local timer interrupts
RES:          0   Rescheduling interrupts
CAL:          0   function call interrupts
TLB:          0   TLB shootdowns
TRM:          0   Thermal event interrupts
SPU:          0   Spurious interrupts
ERR:          0
MIS:          0
~$ cat /proc/iomem
00000000-0009f7ff : System RAM
0009f800-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000cc7ff : Video ROM
000e4000-000effff : Adapter ROM
000f0000-000fffff : System ROM
00100000-1fffdbff : System RAM
  00100000-002b9f62 : Kernel code
  002b9f63-0037561f : Kernel data
  003ba000-0041d57f : Kernel bss
1fffdc00-1ffffbff : ACPI Tables
1ffffc00-1fffffff : ACPI Non-volatile Storage
30000000-3000ffff : 0000:00:0f.0
d0000000-d0000fff : 0000:00:0f.0
  d0000000-d0000fff : natsemi
d1000000-d1ffffff : PCI Bus 0000:01
  d1000000-d1ffffff : 0000:01:00.0
    d1000000-d1ffffff : nvidia
e0000000-efffffff : 0000:00:00.0
f0000000-f7ffffff : PCI Bus 0000:01
  f0000000-f7ffffff : 0000:01:00.0
    f0000000-f3ffffff : vesafb
fffe7000-ffffffff : reserved
~$