Chipset compatibility issues and FreeBSD

[Justin Finkelstein]

Hi there
 
I'm about to make a decision on which motherboard to buy to run FreeBSD
4.9 in a production environment, and I'm getting a little confused over
compatibility issues with the available chipsets and this version of
FreeBSD.
 
The chipsets in question are: Intel 865G, 865PG, 865PE.
 
I did some searching on the mailing lists earlier and found a couple of
posts detailing problems between the 865G chipset and FreeBSD 5.1.
 
I am working on the assumption that the motherboard manufacturer isn't
too important, but I am expecting to buy from Gigabyte as they've worked
fine in the past.
 
Can anyone shed any light on whether these chipsets will work with
FreeBSD 4.9?
 
Thanks,
 
Justin
 
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Re: Chipset compatibility issues and FreeBSD

[Matthew Seaman]

On Fri, May 21, 2004 at 02:12:25PM +0100, Justin Finkelstein wrote:
 Hi there
  
 I'm about to make a decision on which motherboard to buy to run FreeBSD
 4.9 in a production environment, and I'm getting a little confused over
 compatibility issues with the available chipsets and this version of
 FreeBSD.
  
 The chipsets in question are: Intel 865G, 865PG, 865PE.

Hmmm... Well, looking at /usr/src/sys/pci/agp_i810.c (also agpreg.h)
the 865G 82865G Integrated Graphics Device appears to be supported
in 4-STABLE:

case 0x25728086:
return (Intel 82865G (865G GMCH) SVGA controller);

as does the 82865G/PE/P, 82848P DRAM Controller / Host-Hub Interface
in /usr/src/sys/pci/agp_intel.c:

case 0x25708086:
return (Intel 82865 host to AGP bridge);

Which basically means Yes, it's supported.  (Err -- there;s no
mention of '865PG' anywhere though.  Was that a typo?)

There's no mention in the kernel sources of PCI ID 0x25718086
82865G/PE/P, 82848P PCI-to-AGP Bridge, 0x25738086 82865G/PE/P,
82848P PCI-to-CSA Bridge or 0x25768086 82865G/PE/P, 82848P Overflow
Configuration.  (See /usr/share/misc/pci_vendors for details of PCI
ID numbers) so those devices may cause you problems.

Cheers,

Matthew

-- 
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