Re: [PLUG] System Sees only Half Installed RAM [RESOLVED]

2012-02-12 Thread Rich Shepard
On Sat, 11 Feb 2012, Russell Johnson wrote:

 The first test is to look in the BIOS to see if the BIOS is in fact,
 seeing all the RAM. If it is, then it's a software issue. If the BIOS
 isn't seeing all the RAM, then I suspect a hardware issue that a BIOS
 update will not resolve.

Russell, Wes, et al.:

   After I sent the message (of course!) I realized that I needed to check
the BIOS setup. Apparently, one of the memory modules was not fully seated,
so I took them both out, swapped them (which would tell me if one was bad),
and carefully re-inserted them. The system now sees all 8G.

Mea culpa!

Rich

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Re: [PLUG] System Sees only Half Installed RAM [RESOLVED]

2012-02-12 Thread Russell Johnson

On Feb 12, 2012, at 6:46 AM, Rich Shepard wrote:

 After I sent the message (of course!) I realized that I needed to check
 the BIOS setup. Apparently, one of the memory modules was not fully seated,
 so I took them both out, swapped them (which would tell me if one was bad),
 and carefully re-inserted them. The system now sees all 8G.

Don't sweat it. I'll bet that nearly every one of us has done the same a time 
or two. 

:)

Russell Johnson
r...@dimstar.net



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Re: [PLUG] System Sees only Half Installed RAM

2012-02-11 Thread Rogan Creswick
On Sat, Feb 11, 2012 at 3:18 PM, Rich Shepard rshep...@appl-ecosys.com wrote:
   I successfully upgraded the BIOS on my Dell Latitude E5410 from version
 A03 to A11. With this newest version the system is supposed to recognize and
 use all 8G of installed memory. But, it still sees only 4G.

By the system do you mean the bios, or the OS (Linux, presumably?)?

If it's the former, then there may be a hardware problem, if it's the
later, then you probably just need to install a different kernel.

In my experience, the SMP kernels shipped with common distros also
have the proper support for seeing  4gb of ram, but others on this
list know the details much better than I do.

--Rogan


   Does anyone here have thoughts on what I should do to make all RAM visible
 and usable? If not, I call Dell tech support on Monday.

 Rich

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Re: [PLUG] System Sees only Half Installed RAM

2012-02-11 Thread Ken Stephens
Rich Shepard wrote:
 I successfully upgraded the BIOS on my Dell Latitude E5410 from version
 A03 to A11. With this newest version the system is supposed to recognize and
 use all 8G of installed memory. But, it still sees only 4G.

 Does anyone here have thoughts on what I should do to make all RAM visible
 and usable? If not, I call Dell tech support on Monday.

 Rich

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Rich,

Of course you reseated your memory a couple of times.  Another reason 
may be you need to switch pairs around.  Another reason maybe bad 
memory.  Have you been able to run a memory checker?  It might ignore 
the BIOS.

-- 
Ken Stephens, SV Aventura, Portland, OR

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Re: [PLUG] System Sees only Half Installed RAM

2012-02-11 Thread Neal
On Sat, Feb 11, 2012 at 4:24 PM, Ken Stephens k...@cad2cam.com wrote:
 Rich Shepard wrote:
     I successfully upgraded the BIOS on my Dell Latitude E5410 from version
 A03 to A11. With this newest version the system is supposed to recognize and
 use all 8G of installed memory. But, it still sees only 4G.

     Does anyone here have thoughts on what I should do to make all RAM 
 visible
 and usable? If not, I call Dell tech support on Monday.

 Rich

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 Rich,

 Of course you reseated your memory a couple of times.  Another reason
 may be you need to switch pairs around.  Another reason maybe bad
 memory.  Have you been able to run a memory checker?  It might ignore
 the BIOS.

And tried one at a time in each socket to narrow things down.

NealS
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