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Topic: 1GB DDR2 RAM only reads as 512MB  (Read 4235 times)
SayGoodie
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« on: August 07, 2008, 01:07:48 PM »
I recently bought 2GB (1GB x2) DDR2 PC2 4200 RAM from crucial.com (therefore I believe it's supposed to be compatible with my motherboard) I put one stick of RAM in and it read as 512MB. I put two in and it read as 1GB. Crucial told me to update the BIOS so I did, but with no change. :[  Help?

Mobo: ECS P4M800PRO-M (2.0)
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dlewis23
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« Reply #1 on: August 07, 2008, 01:15:39 PM »
First did you get DDR, or DDR2 ram? that board supports both?

It could be a few things. The ram could be bad, it could also be labeled wrong. Does it say 1GB on the label of the ram? And have you called them back after you updated the bios? 
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SayGoodie
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« Reply #2 on: August 07, 2008, 01:35:23 PM »
It is DDR2, it does say 1GB on each stick but only reads as 512MB. Yes I called them back after I updated the BIOS. They claim that it is my PC but I don't see how it would only read 512MB.
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vern
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« Reply #3 on: August 07, 2008, 05:44:00 PM »
Silly question, but you do have the memory installed in the proper slots?
That mobo has 4 slots; 2 for DDR 400 and 2 for DDR 2 533.

And if they are in the proper slots does the BIOS see it as DDR 2 RAM?
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SayGoodie
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« Reply #4 on: August 07, 2008, 08:58:39 PM »
They are in the correct slots because a DDR2 stick wouldn't fit in a DDR1 slot and yes the BIOS reads it as "512 MB DDR2 (533)"
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mudmanc4
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« Reply #5 on: August 08, 2008, 05:22:09 AM »
Quote from: saygoodie on August 07, 2008, 08:58:39 PM
They are in the correct slots because a DDR2 stick wouldn't fit in a DDR1 slot and yes the BIOS reads it as "512 MB DDR2 (533)"
It almost has to be a setting in the bios,  reset the bios to original, I would do this, then go from there.
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« Reply #6 on: August 08, 2008, 05:50:07 AM »
Or the more obvious answer could be that they sent you a 1GB kit improperly labeled as a 2GB kit.
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« Reply #7 on: August 08, 2008, 06:54:40 AM »
Quote from: philp on August 08, 2008, 05:50:07 AM
Or the more obvious answer could be that they sent you a 1GB kit improperly labeled as a 2GB kit.
It has happened, but w/ Crucial , man, that would crush my high expectations of them.   


 Have you done crucials "detector "  what doe that say is in there ?
« Last Edit: August 08, 2008, 06:59:59 AM by mudmanc4 » Logged

philp
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« Reply #8 on: August 09, 2008, 05:26:53 AM »
Quote from: mudmanc4 on August 08, 2008, 06:54:40 AM
It has happened, but w/ Crucial , man, that would crush my high expectations of them.  

I know what you mean, but when he installed one stick he said it only showed 512MB instead of 1GB. I'd really be disappointed with Crucial if they did not accept that as a possibility and allow him to swap it for another kit.
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« Reply #9 on: August 09, 2008, 06:22:09 AM »
  I would try the ram in another machine, have you went to the crucial website detector yet ?
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« Reply #10 on: August 09, 2008, 06:28:24 PM »
crucial scanner says i have two 512's, haha
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« Reply #11 on: August 09, 2008, 06:56:26 PM »
 Now that there would be the breaker for me, get back ahold of them and tell them that  !
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« Reply #12 on: August 10, 2008, 01:41:34 PM »
it's cool they're replacing them, with 2nd day air shipping. not bad  grin
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« Reply #13 on: August 10, 2008, 02:59:17 PM »
Quote from: saygoodie on August 10, 2008, 01:41:34 PM
it's cool they're replacing them, with 2nd day air shipping. not bad  grin
  I would expect nothing less than that from Crucial.   Good news Smile

 They have to have more than that mis marked though, oops for them .
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« Reply #14 on: August 16, 2008, 03:12:00 PM »
So you get 3 GB of RAM now? Razz
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« Reply #15 on: August 17, 2008, 12:35:26 AM »
I only have a 512MB DDR stick right now, I'm waiting for crucial to send a replacement. BTW is there any way to change the letters in my username from "saygoodie" to "SayGoodie" thanks
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« Reply #16 on: August 18, 2008, 03:32:58 AM »
Quote from: SayGoodie on August 17, 2008, 12:35:26 AM
I only have a 512MB DDR stick right now, I'm waiting for crucial to send a replacement. BTW is there any way to change the letters in my username from "saygoodie" to "SayGoodie" thanks
Done.
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« Reply #17 on: August 18, 2008, 12:49:10 PM »
Thank You :]  smiley
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RastaMc
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« Reply #18 on: December 30, 2008, 04:31:41 AM »
Hey guys..
I read your topic and I've the same problem.
I'm sure that my Kingston module 1GB is, but my PC still read 512mb. I didn't reinstalled my BIOS because it is dangerous...at least I read that.
My module is a KVR533D2N4K2/1GB and I've a Fujitsu-Siemens PC, motherboard P5SD2-FM. I couldn 't find the BIOS in their website.
I'll appreciate your help. Thanks.
 cry
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biker9075
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« Reply #19 on: December 30, 2008, 09:00:45 PM »
Quote from: RastaMc on December 30, 2008, 04:31:41 AM
Hey guys..
I read your topic and I've the same problem.
I'm sure that my Kingston module 1GB is, but my PC still read 512mb. I didn't reinstalled my BIOS because it is dangerous...at least I read that.
My module is a KVR533D2N4K2/1GB and I've a Fujitsu-Siemens PC, motherboard P5SD2-FM. I couldn 't find the BIOS in their website.
I'll appreciate your help. Thanks.
 cry

While it is possible to brick the mobo from updating it, its unlikely if done correctly. Especially if flashing from a USB drive which is the safest method IMO
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