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#1
January 3rd 07, 05:12 PM
posted to alt.comp.periphs.mainboard.asus,microsoft.public.windowsxp.hardware,comp.sys.ibm.pc.hardware.storage,comp.os.linux.hardware
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Are DDR and DDR2 Rams compatible ?
Currently I have a mainboard with two DDR Ram modules:
512 MB PC2700 DDR 133Mhz and 512 MB PC3200 DDR 166Mhz Can I use these RAMs in a new mainboard which has (only) DDR2 ram slots ? In other words do DDR rams fit physically into DDR2 ram slots ? If yes: Do I have to switch an option (e.g. in BIOS) to tell the mainboard that only DDR Rams are used or are they recognized automatically ? Jason 
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#2
January 3rd 07, 05:14 PM
posted to comp.sys.ibm.pc.hardware.storage
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Are DDR and DDR2 Rams compatible ?
Jason Stacy wrote:
Currently I have a mainboard with two DDR Ram modules: 512 MB PC2700 DDR 133Mhz and 512 MB PC3200 DDR 166Mhz Can I use these RAMs in a new mainboard which has (only) DDR2 ram slots ? In other words do DDR rams fit physically into DDR2 ram slots ? No.
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#3
January 3rd 07, 05:25 PM
posted to comp.sys.ibm.pc.hardware.storage
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Are DDR and DDR2 Rams compatible ?
On Wed, 03 Jan 2007 17:12:22 +0000, Jason Stacy wrote:
Currently I have a mainboard with two DDR Ram modules: 512 MB PC2700 DDR 133Mhz and 512 MB PC3200 DDR 166Mhz Can I use these RAMs in a new mainboard which has (only) DDR2 ram slots ? In other words do DDR rams fit physically into DDR2 ram slots ? If yes: Do I have to switch an option (e.g. in BIOS) to tell the mainboard that only DDR Rams are used or are they recognized automatically ? Jason They aren't compatible, you'll need new DIMMs for your new board.
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#4
January 3rd 07, 06:10 PM
posted to comp.sys.ibm.pc.hardware.storage
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Are DDR and DDR2 Rams compatible ?
No they won't fit in the board.
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#5
January 3rd 07, 06:13 PM
posted to comp.sys.ibm.pc.hardware.storage
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Are DDR and DDR2 Rams compatible ?
In comp.sys.ibm.pc.hardware.storage Jason Stacy wrote:
Currently I have a mainboard with two DDR Ram modules: 512 MB PC2700 DDR 133Mhz and 512 MB PC3200 DDR 166Mhz Can I use these RAMs in a new mainboard which has (only) DDR2 ram slots ? In other words do DDR rams fit physically into DDR2 ram slots ? If yes: Do I have to switch an option (e.g. in BIOS) to tell the mainboard that only DDR Rams are used or are they recognized automatically ? No. Since memory manufacturers want to sell you new stuff, they deliberately made no attempt at compatibility. Arno
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#6
January 3rd 07, 07:26 PM
posted to comp.sys.ibm.pc.hardware.storage
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Are DDR and DDR2 Rams compatible ?
Jason Stacy wrote:
Currently I have a mainboard with two DDR Ram modules: 512 MB PC2700 DDR 133Mhz and 512 MB PC3200 DDR 166Mhz Can I use these RAMs in a new mainboard which has (only) DDR2 ram slots ? In other words do DDR rams fit physically into DDR2 ram slots ? If yes: Do I have to switch an option (e.g. in BIOS) to tell the mainboard that only DDR Rams are used or are they recognized automatically ? Jason No, the sockets have different numbers of pins. -- The e-mail address in our reply-to line is reversed in an attempt to minimize spam. Our true address is of the form .
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#7
January 3rd 07, 07:56 PM
posted to comp.sys.ibm.pc.hardware.storage
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Are DDR and DDR2 Rams compatible ?
Jason Stacy wrote:
Currently I have a mainboard with two DDR Ram modules: 512 MB PC2700 DDR 133Mhz and 512 MB PC3200 DDR 166Mhz Can I use these RAMs in a new mainboard which has (only) DDR2 ram slots ? Nope In other words do DDR rams fit physically into DDR2 ram slots ? I don't think they do. If yes: Do I have to switch an option (e.g. in BIOS) to tell the mainboard that only DDR Rams are used or are they recognized automatically ? Not sure if there is some kind of combo board out there... my guess is no. Jason
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#8
January 3rd 07, 08:18 PM
posted to comp.sys.ibm.pc.hardware.storage
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Are DDR and DDR2 Rams compatible ?
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#9
January 3rd 07, 10:12 PM
posted to comp.sys.ibm.pc.hardware.storage
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Are DDR and DDR2 Rams compatible ?
"Jason Stacy" wrote in message ... Currently I have a mainboard with two DDR Ram modules: 512 MB PC2700 DDR 133Mhz and 512 MB PC3200 DDR 166Mhz Can I use these RAMs in a new mainboard which has (only) DDR2 ram slots ? In other words do DDR rams fit physically into DDR2 ram slots ? No. They are completely non-compatible. 240, versus 184 pins. If yes: Do I have to switch an option (e.g. in BIOS) to tell the mainboard that only DDR Rams are used or are they recognized automatically ? Doen't apply. Best Wishes
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#10
January 3rd 07, 10:14 PM
posted to comp.sys.ibm.pc.hardware.storage
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Are DDR and DDR2 Rams compatible ?
"Jason Stacy" wrote in message
... Currently I have a mainboard with two DDR Ram modules: 512 MB PC2700 DDR 133Mhz and 512 MB PC3200 DDR 166Mhz Can I use these RAMs in a new mainboard which has (only) DDR2 ram slots ? In other words do DDR rams fit physically into DDR2 ram slots ? If yes: Do I have to switch an option (e.g. in BIOS) to tell the mainboard that only DDR Rams are used or are they recognized automatically ? Jason No.
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