AlphaOne Posted March 18, 2005 Share Posted March 18, 2005 Here's my setup of the machine: Dell 400SC, i875p chipset, P4 2.8C ghz (northwood processor) with hyperthreading RAM - old - 2x512 Corsair value select, unbuffered, non-ECC, memtest86 2.5-3-3-8 (VS1GBKIT400) RAM - new - 2x512 Corsair value select, unbuffered, non-ECC, memtest86 2.5-3-3-8 (VS1GBKIT400) Here's the problem. My system is running fine with 1GB of RAM, memtest86 at 2.5-3-3-8, dual channel is ok, and PAT is enabled. I bought a new pair of sticks, the same specs. I replaced the old sticks with a new one, and the memtest results are the same. BUT, when I put all 4 sticks, the only thing different is that the PAT is now disabled, but still in dual channel. I upgraded the BIOS firmware to A09 (from A06), but the result is the same. BIOS don't allow overclocking (I don't need to). Any help to enable PAT again using all 4 sticks will be appreciated. Thanks. Link to comment Share on other sites More sharing options...
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