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How to memtest 16GB of DDR2?



 
 
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  #1  
Old January 8th 09, 08:36 AM posted to alt.comp.freeware,comp.os.linux.hardware,alt.comp.hardware.homebuilt,comp.sys.ibm.pc.hardware.chips,alt.comp.hardware.pc-homebuilt
pg[_2_]
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Posts: 74
Default How to memtest 16GB of DDR2?

Hello.

I'm setting up a new rig, with 4 X 4GB DDR2 modules.

I tried run memtest86 but it only detected 4GB of my memory.

In Linux and in XP-64 I see all 16GB of the RAM.

So how to test the RAM?

Anyone knows?

Please help. Thanks !
  #2  
Old January 8th 09, 09:58 AM posted to alt.comp.freeware,comp.os.linux.hardware,alt.comp.hardware.homebuilt,comp.sys.ibm.pc.hardware.chips,alt.comp.hardware.pc-homebuilt
Count de Monet[_2_]
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Posts: 6
Default How to memtest 16GB of DDR2?

pg wrote:
Hello.

I'm setting up a new rig, with 4 X 4GB DDR2 modules.

I tried run memtest86 but it only detected 4GB of my memory.

In Linux and in XP-64 I see all 16GB of the RAM.

So how to test the RAM?

Anyone knows?

Please help. Thanks !


Duh......one stick at a time?
  #3  
Old January 8th 09, 12:19 PM posted to alt.comp.freeware,comp.os.linux.hardware,alt.comp.hardware.homebuilt,comp.sys.ibm.pc.hardware.chips,alt.comp.hardware.pc-homebuilt
General Schvantzkoph
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Posts: 246
Default How to memtest 16GB of DDR2?

On Wed, 07 Jan 2009 23:36:35 -0800, pg wrote:

Hello.

I'm setting up a new rig, with 4 X 4GB DDR2 modules.

I tried run memtest86 but it only detected 4GB of my memory.

In Linux and in XP-64 I see all 16GB of the RAM.

So how to test the RAM?

Anyone knows?

Please help. Thanks !


Sys_basher will test most of it. Memtest86 runs under DOS so it's a 32
bit program, sys_basher runs under Linux so it can see all of the RAM.
However sys_basher can't identify which DIMM is bad, only that you have a
bad DIMM. The problems is that Linux lacks a call which will translate a
logical address to a physical address, if anyone knows how to do this I'd
appreciate if they would post the instructions for how to do this.


http://www.polybus.com/sys_basher_web/
  #4  
Old January 8th 09, 01:47 PM posted to alt.comp.freeware,comp.os.linux.hardware,alt.comp.hardware.homebuilt,comp.sys.ibm.pc.hardware.chips,alt.comp.hardware.pc-homebuilt
pg[_2_]
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Posts: 74
Default How to memtest 16GB of DDR2?

On Jan 8, 3:19*am, General Schvantzkoph
wrote:
On Wed, 07 Jan 2009 23:36:35 -0800, pg wrote:
Hello.


I'm setting up a new rig, with 4 X 4GB DDR2 modules.


I tried run memtest86 but it only detected 4GB of my memory.


In Linux and in XP-64 I see all 16GB of the RAM.


So how to test the RAM?


Anyone knows?


Please help. Thanks !


Sys_basher will test most of it. Memtest86 runs under DOS so it's a 32
bit program, sys_basher runs under Linux so it can see all of the RAM.
However sys_basher can't identify which DIMM is bad, only that you have a
bad DIMM. The problems is that Linux lacks a call which will translate a
logical address to a physical address, if anyone knows how to do this I'd
appreciate if they would post the instructions for how to do this.

http://www.polybus.com/sys_basher_web/


Thanks for the info !

I will try it out.
  #5  
Old January 8th 09, 04:23 PM posted to alt.comp.freeware,comp.os.linux.hardware,alt.comp.hardware.homebuilt,comp.sys.ibm.pc.hardware.chips,alt.comp.hardware.pc-homebuilt
Ian D
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Posts: 333
Default How to memtest 16GB of DDR2?


"pg" wrote in message
...
Hello.

I'm setting up a new rig, with 4 X 4GB DDR2 modules.

I tried run memtest86 but it only detected 4GB of my memory.

In Linux and in XP-64 I see all 16GB of the RAM.

So how to test the RAM?

Anyone knows?

Please help. Thanks !


Memtest86 is the old version. Try memtest86+.
The latest version is 2.11, and it can handle 64
bit addressing. It sees all of my 6GB.

Available he www.memtest.org


  #6  
Old January 8th 09, 05:20 PM posted to alt.comp.freeware,comp.os.linux.hardware,alt.comp.hardware.homebuilt,comp.sys.ibm.pc.hardware.chips,alt.comp.hardware.pc-homebuilt
Pascal Hambourg
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Posts: 20
Default How to memtest 16GB of DDR2?

Hello,

General Schvantzkoph a écrit :

Memtest86 runs under DOS so it's a 32 bit program


Nonsense. Memtest86 does not run under DOS.
If it ran under DOS it would be a 16-bit program.
  #7  
Old January 8th 09, 05:31 PM posted to alt.comp.freeware,comp.os.linux.hardware,alt.comp.hardware.homebuilt,comp.sys.ibm.pc.hardware.chips,alt.comp.hardware.pc-homebuilt
Joe Pfeiffer
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Posts: 121
Default How to memtest 16GB of DDR2?

General Schvantzkoph writes:

On Wed, 07 Jan 2009 23:36:35 -0800, pg wrote:

Hello.

I'm setting up a new rig, with 4 X 4GB DDR2 modules.

I tried run memtest86 but it only detected 4GB of my memory.

In Linux and in XP-64 I see all 16GB of the RAM.

So how to test the RAM?

Anyone knows?

Please help. Thanks !


Sys_basher will test most of it. Memtest86 runs under DOS so it's a 32
bit program,


memtest doesn't us an OS, it runs on the bare hardware. I believe
you're correct that it's only available as a 32 bit program (and
apparently doesn't know about PAE), however.
  #8  
Old January 8th 09, 06:00 PM posted to alt.comp.freeware,comp.os.linux.hardware,alt.comp.hardware.homebuilt,comp.sys.ibm.pc.hardware.chips,alt.comp.hardware.pc-homebuilt
spodosaurus
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Posts: 410
Default How to memtest 16GB of DDR2?

Ian D wrote:
"pg" wrote in message
...
Hello.

I'm setting up a new rig, with 4 X 4GB DDR2 modules.

I tried run memtest86 but it only detected 4GB of my memory.

In Linux and in XP-64 I see all 16GB of the RAM.

So how to test the RAM?

Anyone knows?

Please help. Thanks !


Memtest86 is the old version.


No it isn't.

There's the commercial version at memtest86.com and the open source
version at memtest86.org

Try memtest86+.
The latest version is 2.11, and it can handle 64
bit addressing. It sees all of my 6GB.

Available he www.memtest.org




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  #9  
Old January 8th 09, 08:13 PM posted to alt.comp.freeware,comp.os.linux.hardware,alt.comp.hardware.homebuilt,comp.sys.ibm.pc.hardware.chips,alt.comp.hardware.pc-homebuilt
Joe Pfeiffer
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Posts: 121
Default How to memtest 16GB of DDR2?

(hope my earlier post got cancelled in time...)

General Schvantzkoph writes:

On Wed, 07 Jan 2009 23:36:35 -0800, pg wrote:

Hello.

I'm setting up a new rig, with 4 X 4GB DDR2 modules.

I tried run memtest86 but it only detected 4GB of my memory.

In Linux and in XP-64 I see all 16GB of the RAM.

So how to test the RAM?

Anyone knows?

Please help. Thanks !


Sys_basher will test most of it. Memtest86 runs under DOS so it's a 32
bit program,


Note that memtest86 doesn't run under any OS, it runs on the bare
hardware. Someone else posted that memtest86+ will exercise all the
memory.
  #10  
Old January 8th 09, 08:48 PM posted to alt.comp.freeware,comp.os.linux.hardware,alt.comp.hardware.homebuilt,comp.sys.ibm.pc.hardware.chips,alt.comp.hardware.pc-homebuilt
ray
external usenet poster
 
Posts: 39
Default How to memtest 16GB of DDR2?

On Wed, 07 Jan 2009 23:36:35 -0800, pg wrote:

Hello.

I'm setting up a new rig, with 4 X 4GB DDR2 modules.

I tried run memtest86 but it only detected 4GB of my memory.

In Linux and in XP-64 I see all 16GB of the RAM.

So how to test the RAM?

Anyone knows?

Please help. Thanks !


Easiest simplest way - 4gb at a time.
 




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