Since I already have 512M can I buy a 1G compatible memory card and put it in the other slot?
Will 1.5G of memory create any incompatibility?
Yes, you can add a 1gb module, but you would loose the performance advantages offered by dual-channel.
You should install memory in identical pairs. Installing a 'kitted' pair is the best way to ensure that your modules are identical, right down to the chip count.
Bev.
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Does that mean in my case if I wanted to increase my memory from 2 GB, installed in slots 1 and 2, to three that I should buy two 512 MB to install in 3 and 4? There is no point in installing additional 2 GB as with a Vista 32 bit system as it only uses 3 Gb. Is that right?
You are right, installing more than 3gb of RAM in a 32bit system, is a waste of memory. Adding an additional 2x512mb modules to the exsisting 2x1gb, should be fine.
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When I added a second 1G (matched to the other 1G) I got this beeping sound. When I looked at the slots prior to installing, the original 1G was in slot 4. I removed the second 1G and reinstalled the original in slot 3 and still got the beep with slot 4 empty. I put the new 1G in slot 4 and it worked fine. I then put the other 1G in slot 3 along with the other 1G in slot slot 4 and it still beeped. It appears that slot 3 does not like either of the 1G chips. What is up with this?
DELL-Donald K
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September 2nd, 2007 04:00
mkprasanna
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September 2nd, 2007 22:00
shesagordie
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September 3rd, 2007 03:00
Yes, you can add a 1gb module, but you would loose the performance advantages offered by dual-channel.
You should install memory in identical pairs. Installing a 'kitted' pair is the best way to ensure that your modules are identical, right down to the chip count.
Bev.
===================================================
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Post the issue in the appropriate Board, where they will be answered.
ian1937
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September 3rd, 2007 15:00
shesagordie
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September 3rd, 2007 20:00
You are right, installing more than 3gb of RAM in a 32bit system, is a waste of memory. Adding an additional 2x512mb modules to the exsisting 2x1gb, should be fine.
How to Install Memory.
Bev.
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DELL-Donald K
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September 5th, 2007 03:00
plantcitydave
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August 1st, 2012 16:00
When I added a second 1G (matched to the other 1G) I got this beeping sound. When I looked at the slots prior to installing, the original 1G was in slot 4. I removed the second 1G and reinstalled the original in slot 3 and still got the beep with slot 4 empty. I put the new 1G in slot 4 and it worked fine. I then put the other 1G in slot 3 along with the other 1G in slot slot 4 and it still beeped. It appears that slot 3 does not like either of the 1G chips. What is up with this?