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Old 03-21-2012, 09:32 PM   #1 (permalink)
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Default SDRAM Question

My boss was throwing out some old computers (circa 2003) and he decided to give me the parts because he knows I build, repair and upgrade old and new towers.

I salvaged a good motherboard out of one of the towers, its an Intel D865GBF/D865GLC board. There is a good Pentium 4 processor in it. The heatsink is missing, there is no RAM and the BIOS battery is missing. The battery and heatsink are no issue, I can get those. It's the RAM I need to get for this board.

From the Intel manual this MoBo is rated for:
  • Four 184-pin, 2.5 V SDRAM Dual Inline Memory Module (DIMM) sockets
  • Dual channel 400/333/266 MHz DDR SDRAM interface
  • Designed to support up to 4 GB of system memory

It seems pretty strait forward, but I can't for the life of me find dual channel 400mhz SDRAM. If I buy some rated at 533 Mhz will the MoBo throttle it back to what it supports or will I end up with BSD's and other issues? I'm assuming from current experience I can tinker with that in BIOS, but on the older towers I'm not 100% sure. Thanks.

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Old 03-21-2012, 10:05 PM   #2 (permalink)
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Default Re: SDRAM Question

All DDR is SDRAM.... Hence the term DDR SDRAM, DDR2/DDR3 is also a type of SDRAM, they just double up on clocks.

Just make sure you get a DDR 400 or so kit, and not plain old SDRAM.

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Old 03-21-2012, 10:36 PM   #3 (permalink)
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Default Re: SDRAM Question

Well, if it only takes up to DDR 400, it can use DDR 533, but it just will be clocked down to 400.

Any of these will do: - Computer Hardware, Memory, Desktop Memory, DDR 400 (PC 3200)
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