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i cant get rmclock to actually change any voltage or lock the multi on my t9400...
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| 11-30-2009, 05:10 PM | |
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Well I just tried the stock CAS6 Samsung stick and I was still unable to bust the 1200FSB wall. I have found there is a small bandwidth increase by running CAS5 DDR2 with a tighter timing then CAS6 with a looser timing at the same speed. For instance my buddy's A5000 with 6-6-18 CAS6 DDR2 RAM running at 920Mhz has about 150Mbps less bandwidth then my A5000 running 12-4-4 CAS5 DDR2 RAM running at 880Mhz. Even though his CPU is clocked 200mhz faster @ 2.9Ghz we both get the same 3DMark03 score around 3230-3240 even though his GPU Memory Clock is @ CAS6 920Mhz and mine is at CAS5 880Mhz. I am unable to bust the 5.9 MEMORY WEI SCORE though and it would probably take 950Mhz CAS5 or 1000Mhz CAS6 to do so.
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Poop,
I thought you bought the T9300 from the Ebay link I posted? You keep referring to a T9400. Anyways I know why the T9300 jumps up to the 13.5X multiplier. It is Intel Dynamic Acceleration or IDA Mode kicking in. IDA Mode allows one core to deliver extra performance when the other core is idle by bumping the one care up by 1X multiplier which in the T9300's case it would go from 12.5X normal dual core operation to 13.5X in single core IDA mode. I could see how this could throw your MAX overclock using the dual core mode since you have to determine your MAX overclock with the 13.5X multiplier in mind. I think I have a fix though. Since the BIOS has no way to disable IDA mode as of yet, you can use RMClock 2.35 to disable IDA mode! Open RMClock and Go to "Advanced CPU Settings" and make sure that "Engage Intel Dynamic Acceleration" under "Intel Core 2 Family Advanced Features" is unchecked to disable IDA mode. This should lock your MAX multiplier to the stock 12.5X without needing a BIOS setting to disable it. I don't think Svet could add an option to disable IDA mode because there was no listing of it in available BIOS options that can be unlocked. I will ask him to add it in MSIHQ forums and see what he says. Try this out and let me know if it has locked your multiplier properly to 12.5X. Last edited by hurtz777; 11-30-2009 at 06:06 PM.. |
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I have another fun OC project for us. Lets see if we can find a possible socket pin mod with a jumper wire to set our multiplier to 13X just like T9500. Then we wouldn't be limited by chipset's FSB limits and if the CPU could take it thermally approach 4.0Ghz and rock the socks off every Socket P CPU on the planet! I will fill you guys in if I can find a way to do this. I am sure my 1200FSB wall is from the chipset and not the CPU. This CPU should be able to go to 3.6Ghz range just like it's bigger brothers the T9300 and T9500. It is just handicapped by 9X multiplier. I want to see what this little Celly truly can do don't you?
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my t9300 stopped jumping up to 13.5x multi after disabling speedstep in bios, so maybe this is the best bet for stability vs rmclock to disable ida mode |
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Last edited by hurtz777; 12-01-2009 at 05:48 AM.. Reason: Automerged Doublepost |
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well just for funsies im gonna pick up a x9000 and play with it... if i like it ill sell my t9300 here for what i paid, or to my father who wants it in his a5000
![]() If i cant change the multi via bios i can try rmclock and up the fsb to around 250-260 stable i bet. with rmclock 16x multi i can see 4+ ghz
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I'm about to try to oc this machine. When I click on any one of those mediafire.com links and then click the "download" link, I get either a blank page (Firefox) or a connection problem (IE). Any ideas on how to retrieve these files? Thanx!
-los
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