second 512dmb ddr not showing up

I already updated the BIOS to no avail.
 >> Stay informed about: second 512dmb ddr not showing up 

Both dimms are double sided. I'm going to try setting all memory
performance parameters manually in the BIOS and see what happens.
 >> Stay informed about: second 512dmb ddr not showing up 

The non-matching RAM sticks seem to be conflicting with each other. You
should ideally be using two sticks of IDENTICAL RAM. And you MUST use such
a combination if you want to use the dual channel feature of the board.

--
DaveW



<wtclouse.TakeThisOut@excite.com> wrote in message
news:1106848163.023617.139920@c13g2000cwb.googlegroups.com...
 >I added a second 512mb DDR pc4000 dimm to my Soltek Nforce3 Athlon64
 > system and it does not show during post or within WinXP. I have tried
 > all combinations of the 2 memory modules and the 2 memory slots and
 > only one of the 2 dimms will ever show up. Either dimm will work fine
 > alone in either slot but together I can only get one to show in POST.
 > The 2 dimms are as follows: OCZ 512mb pc4000 Rev3 and Corsair XMS4000
 > 512mb. According to the manual the board should work with upto 2 1GB
 > DIMMS. Any help would be appreciated. I have e-mail Soltek tech
 > support but heard nothing yet.
 ><!-- ~MESSAGE_AFTER~ -->
 >> Stay informed about: second 512dmb ddr not showing up 

On 27 Jan 2005 09:49:23 -0800 Not alowing their prejudice to rule
their future wtclouse.TakeThisOut@excite.com wrote :

 >I added a second 512mb DDR pc4000 dimm to my Soltek Nforce3 Athlon64
 >system and it does not show during post or within WinXP. I have tried
 >all combinations of the 2 memory modules and the 2 memory slots and
 >only one of the 2 dimms will ever show up. Either dimm will work fine
 >alone in either slot but together I can only get one to show in POST.
 >The 2 dimms are as follows: OCZ 512mb pc4000 Rev3 and Corsair XMS4000
 >512mb. According to the manual the board should work with upto 2 1GB
 >DIMMS. Any help would be appreciated. I have e-mail Soltek tech
 >support but heard nothing yet.

Do as you have done and see if there's a BIOS update that may have a
fix for it?



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 >> Stay informed about: second 512dmb ddr not showing up 

the bios docs should have clues to why it doesn't work. Maybe single
sided/double sided mismatches etc?

<wtclouse DeleteThis @excite.com> wrote in message
news:1106848163.023617.139920@c13g2000cwb.googlegroups.com...
 >I added a second 512mb DDR pc4000 dimm to my Soltek Nforce3 Athlon64
 > system and it does not show during post or within WinXP. I have tried
 > all combinations of the 2 memory modules and the 2 memory slots and
 > only one of the 2 dimms will ever show up. Either dimm will work fine
 > alone in either slot but together I can only get one to show in POST.
 > The 2 dimms are as follows: OCZ 512mb pc4000 Rev3 and Corsair XMS4000
 > 512mb. According to the manual the board should work with upto 2 1GB
 > DIMMS. Any help would be appreciated. I have e-mail Soltek tech
 > support but heard nothing yet.
 ><!-- ~MESSAGE_AFTER~ -->
 >> Stay informed about: second 512dmb ddr not showing up 

Nforce3 250 chipset is NOT a dual channel chipset. The Nforce4 chipset
is the dual channel Athlon64 chipset.

But I have had no trouble in the past of using non-identical memory
modules in Nforce2 dual channel boards as long as both are the same
size.
 >> Stay informed about: second 512dmb ddr not showing up 

On Thu, 27 Jan 2005 16:36:50 -0500 Not alowing their prejudice to rule
their future "Predator" <predator.this DeleteThis @predator.that> wrote :

 >the bios docs should have clues to why it doesn't work. Maybe single
 >sided/double sided mismatches etc?

Good call.
Also maybe altering the Cas latency to a slower speed may help?
Or the RAM speed?


 ><wtclouse DeleteThis @excite.com> wrote in message
 >news:1106848163.023617.139920@c13g2000cwb.googlegroups.com...
  >>I added a second 512mb DDR pc4000 dimm to my Soltek Nforce3 Athlon64
  >> system and it does not show during post or within WinXP. I have tried
  >> all combinations of the 2 memory modules and the 2 memory slots and
  >> only one of the 2 dimms will ever show up. Either dimm will work fine
  >> alone in either slot but together I can only get one to show in POST.
  >> The 2 dimms are as follows: OCZ 512mb pc4000 Rev3 and Corsair XMS4000
  >> 512mb. According to the manual the board should work with upto 2 1GB
  >> DIMMS. Any help would be appreciated. I have e-mail Soltek tech
  >> support but heard nothing yet.
  >>
 >



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 >> Stay informed about: second 512dmb ddr not showing up 

On 27 Jan 2005 16:45:32 -0800 Not alowing their prejudice to rule
their future "Tom" <wtclouse.TakeThisOut@excite.com> wrote :

 >Nforce3 250 chipset is NOT a dual channel chipset. The Nforce4 chipset
 >is the dual channel Athlon64 chipset.
 >
 >But I have had no trouble in the past of using non-identical memory
 >modules in Nforce2 dual channel boards as long as both are the same
 >size.

Ignore DaveW he's got about as much sense as an Amoeba trying to do
a,"Two-Step"<BFG>



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 >> Stay informed about: second 512dmb ddr not showing up 

I have tried manually setting all the mem timings in the bios but it
makes no difference. I'm gonna try 2 256mb dimms I have running
together in another system and see if they work together in this one.
I have still not heard a response from Soltek tech support. I wish
there was a Soltek group but I have not found one yet.
 >> Stay informed about: second 512dmb ddr not showing up 

On 28 Jan 2005 11:22:02 -0800 Not alowing their prejudice to rule
their future "Tom" <wtclouse.TakeThisOut@excite.com> wrote :

 >I have tried manually setting all the mem timings in the bios but it
 >makes no difference. I'm gonna try 2 256mb dimms I have running
 >together in another system and see if they work together in this one.
 >I have still not heard a response from Soltek tech support. I wish
 >there was a Soltek group but I have not found one yet.

I have to suspect that a RAM stick is faulty or not up-to-spec(Just
coz it says it's a so-so-and-so on the stick don't mean it is) :/



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 >> Stay informed about: second 512dmb ddr not showing up 

I can run either stick at 220 mhz alone perfectly fine. But together
at any bus speed only one will be detected. I'm leaning toward some
odd incompatibility between the 2 more than any defect in either
module. I'm still hoping to here somthing from Soltek.
 >> Stay informed about: second 512dmb ddr not showing up 

I replaced the Corsair module with another OCZ module and it works fine
now. Now shows 1gb during POST. I put the Corsair in another system
that already had 2 256mb 400mhz modules and it works fine there.
 >> Stay informed about: second 512dmb ddr not showing up