Compaq Evo D51S hidden sensor

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Hi all,

I have a Compaq Evo D51S (D510 Small Form Factor) running Fedora 10.  sensors-detect says it can't find any sensors.  From reading http://www.lm-sensors.org/ticket/2304 I got the impression that this particular model of PC should be supported in 2.6.27-rc1 and I am running 2.6.27.9-159.fc10.i686.

>From looking at http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=drivers/pci/quirks.c;h=93faf84e4ec47c81fb10a2b6389f324c9e08c50e;hb=10260d9ab702454460242ef4d3ecfc49fcb96a5b (commit of patch referenced by the ticket above) it looks like this code is meant to address this model of PC:

>>>
1043         } else if (unlikely(dev->subsystem_vendor == PCI_VENDOR_ID_COMPAQ)) {
[...]
1057                 else if (dev->device == PCI_DEVICE_ID_INTEL_82845G_IG)
1058                         switch(dev->subsystem_device) {
1059                         case 0x00b8: /* Compaq Evo D510 CMT */
1060                         case 0x00b9: /* Compaq Evo D510 SFF */
1061                                 asus_hides_smbus = 1;
1062                         }
<<<

In the attachment http://www.lm-sensors.org/attachment/ticket/2304/lspci-after-fakephp to the support ticket, I see:

>>>
00:02.0 VGA compatible controller [0300]: Intel Corporation
82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device
[8086:2562] (rev 01) (prog-if 00 [VGA controller])
        Subsystem: Compaq Computer Corporation Evo D510 SFF [0e11:00b9]
<<<

which seems to correspond to the values that the kernel code checks for (apologies if I'm wrong - I'm making lots of assumptions here).

When I run 'lspci -vvxnn' I don't see the same thing.  I see a few items with the same "Subsystem:" line - 3 USB controllers and an IDE interface - but my VGA controller is:

>>>
01:00.0 VGA compatible controller [0300]: nVidia Corporation NV44A [GeForce 6200] [10de:0221] (rev a1) (prog-if 00 [VGA controller])
        Subsystem: XFX Pine Group Inc. Device [1682:2152]
<<<

I'm using an AGP card I added to the PC instead of the on-board video.  I am assuming that the on-board video is not appearing because I added the AGP card - would that be a normal thing to happen?

I am assuming that pci/quirks.c above just happens to check for the onboard video as a way to detect this model of PC and it could check for something else instead - would that be true?  If so (and there's no other investigation that might be needed), is this likely to be "fixed"/enhanced anytime soon or should I try kernel hacking myself?  I'm assuming I could add a check for the IDE or USB (I'll try and check the BIOS settings or documentation to see if one of these in particular can't be disabled and therefore would always be present).

Thanks in advance,
David

PS Please cc: me on replies as I'm not subscribed

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