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Old 08-09-2006, 11:15 AM   #1
Wornout
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Chipset workaround?


I was kinda curious if its possible to actually get my agp working.

Here's the problem. The motherboard seems to identify the agp card as an pci card. I don't know why. It does it in windows to. I had to install the chipset drivers for windows but there aren't any for linux.
The chipset is via8237 on a 64bit p4 processor socket 754 I believe. The output of cat/proc host-bridge says its a pci card.
And when I cat proc/agp status it says agp disabled. Its an nvidia 6600. They are suppose to have good agp support but even NVAGP cant get around this one. There is a huge performance difference when agp is detected properly. Any ideas?
 
Old 08-09-2006, 11:41 AM   #2
Samoth
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For one thing there is no such thing as a p4(pentium 4 I presume) on a socket 754 motherboard.

try doing "lspci" as root on linux. Post the output of that. Also, make sure you have "agpgart" loaded. Since you are talking about using the NVAGP driver, I suppose you are using the binary nvidia driver, am I corrcet?
 
Old 08-09-2006, 01:35 PM   #3
Wornout
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O.K. its somewhat fixed. Not for sure though. The new 2.6.17 kernel has via support. I disabled iommu_gart and enabled 2 new features /dev/agpgart and right below that was via support. Here is 3 outputs.

lspci=
00:00.0 Host bridge: VIA Technologies, Inc. CN400/PM880 Host Bridge
00:00.1 Host bridge: VIA Technologies, Inc. CN400/PM880 Host Bridge
00:00.2 Host bridge: VIA Technologies, Inc. CN400/PM880 Host Bridge
00:00.3 Host bridge: VIA Technologies, Inc. CN400/PM880 Host Bridge
00:00.4 Host bridge: VIA Technologies, Inc. CN400/PM880 Host Bridge
00:00.7 Host bridge: VIA Technologies, Inc. CN400/PM880 Host Bridge
00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI Bridge
00:0a.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev 0a)
00:0a.1 Input device controller: Creative Labs SB Live! Game Port (rev 0a)
00:0f.0 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86)
00:11.0 ISA bridge: VIA Technologies, Inc. VT8237 ISA bridge [KT600/K8T800/K8T890 South]
00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 60)
00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 78)
01:00.0 VGA compatible controller: nVidia Corporation NV43 [GeForce 6200] (rev a1)

root@localhost:/home/steve# cat /proc/driver/nvidia/agp/status
Status: Enabled
Driver: AGPGART
AGP Rate: 8x
Fast Writes: Disabled
SBA: Enabled

root@localhost:/home/steve# cat /proc/driver/nvidia/agp/host-bridge
Host Bridge: PCI device 1106:0259
Fast Writes: Not Supported
SBA: Supported
AGP Rates: 8x 4x
Registers: 0x1f000a0b:0x00000b02



As you can see it would appear everything is fine except for the host-bridge is saying that it is a pci card. Is it suppose to say that?
 
Old 08-10-2006, 09:40 AM   #4
Wornout
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lol.socket 775.
 
  


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