Could the different kernels calculate the memsize differently?

----- Original Message ----- 
From: "Burke, Thomas G." <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, February 12, 2003 12:04
Subject: RE: Less memory reported by system


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> Maybe the shared video aperture is set up differently on some of the
> boxes?
> 
> The numbers you show are ~318.4, 311.4, and 313.4 MB...
> 
> - -----Original Message-----
> From: Jihuang Zhou [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, February 12, 2003 2:54 PM
> To: [EMAIL PROTECTED]
> Subject: RE: Less memory reported by system
> 
> 
> Thanks a lot. Only one question left now: 
> As the video card takes the same size memory, I should not see
> different
> memory size in different linux. Actually I have exactly the same 30
> IBM
> boxes and they have the same Video cards and same physical memory
> 320M. 
> But, from /proc/meminfo, I saw
> 1) Mem: 329056256 in redhat 2.2.16-22
> 2) Mem: 326565888 in redhat 2.4.7-10
> 3) Mem: 333930496 in Mandrake Linux: 2.2.17-21mdksecure
> 
> Any idea?
> 
> - -----Original Message-----
> From: Ed Wilts [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, February 12, 2003 12:18 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Less memory reported by system
> 
> 
> On Wed, Feb 12, 2003 at 11:05:24AM -0500, Jihuang Zhou wrote:
> > Thanks. I do have a on-board video card and I always calculate them
>  using 1k=1024byte. 
> > 1. The same on-board video card will use the same shared memory in 
> Redhat7.0 and 7.3, right?
> 
> Yes - the operating system doesn't see that you have shared memory -
> it
> will ask the BIOS for how memory you've got, and how much video
> memory.
> 
> > 2. How can I see the video shared memory size?
> 
> >From the BIOS.
> 
> > 3. I want to find a way to get all physical memory size (320M).
> 
> You can't.  The OS will never see it since the BIOS will strip it out
> first.  Based on your numbers though, I'd say you've got 8MB of
> shared
> memory dedicated to video.
> 
> I'll also ask nicely again for you to wrap your lines.  If you don't,
> people will start refusing to follow up.
> 
> - -- 
> Ed Wilts, Mounds View, MN, USA
> mailto:[EMAIL PROTECTED]
> Member #1, Red Hat Community Ambassador Program
> 
> 
> 
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