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| Overclocking and Modding A haven for all you hardware Gurus who want to push it all to the MAX. |
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#1 |
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DriverHeaven Junior Member
Join Date: Jun 2004
Posts: 26
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Hi,
I recently upgraded my rusty XP 2200+ to an all new and shiny 939 motherboard (MSI K8N Neo2 Plat.) and AMD Athlon 64 3000+ (90 nm Winchester). While upgrading these, I kept my original Kingston DDR266 Ram. With that combination I was able to overclock the CPU to 2.6 Ghz easily, while having set the memory to 140 Mhz (by using dividers set to DDR100). Great stuff, but I wanted more so I also bought some new (and frankly: cheap) DDR400 memory (TwinMOS 512 Twin.x2). And that'S where my problem starts: That memory doesn't seem to like me. I have set it to DDR333 (166 Mhz) and can not go over 2250 Mhz CPU Clock now. Going higher results in total system instability, crashes and system resets. Strangly enough, setting the memory further down to DDR266 (133 Mhz) it gets worse. What could be my problem here? I know it must be the memory but I am sure this can be tweaked somehow. Maybe I am using too much/less voltage on the RAM (I read some RAM doesn't like increasing the voltage)? Or I will need to have some other timing settings, but I have no idea of those. So some help would be greatly appreciated. My current settings: RAM: 166 Mhz, 1T, CAL 2.5, rest is auto RAM Voltage: 1.7 HTT: 250 HT: 3x Multiplier: 9x Let me know if you need more details. Thanks! |
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#2 |
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Cthulhu/Dagon 2012
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Could possibly be that the new RAM doesn't cope as well with the timing values. Try 2T command and CAS 3.0 and see if it helps compared to your current 1T and 2.5.
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DriverHeaven Junior Member
Join Date: Jun 2004
Posts: 26
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thanks. Tried using CAS 3.0 but then the machine does not POST. Setting 2T didn't help.....
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#4 |
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HardwareHeaven Extreme Member
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I've noticed with the MSI boards that it is best to let the BIOS determine the RAM timings and to also keep any "Agressive Timings" features in the bios disabled.
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DriverHeaven Junior Member
Join Date: Jun 2004
Posts: 26
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yeah that's what I have here. Most stuff is on auto and aggressive timings as well as auto overclocking is off....
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#6 |
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confutatis maledictis
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are you sure your RAM voltage is at 1.7v? because it should be at least 2.5v
also, make sure your AGP/PCI are set to 66/33 MHz it could be that the motherboard is picky with that RAM . . . .
__________________
Digitalis 3.3 Athlon 64 3000 // ASUS K8V SE Deluxe // 1024MB PC3200 (2-2-2-10 1T)
ATI All-In-Wonder 9700 Pro // 20" Dell 2005FPW (DVI) M-Audio Revo 7.1 + Philips Acoustic Edge // Klipsch ProMedia 2.1 320/16 Western Digital WD3200KS + 120/8 Seagate 7200.7 NEC ND-3550A 16x DVD±RW + Lite-On 52x24x CD-RW Antec Sonata case // 480W Antec TruePower personal bests || Aq'3: 46796 | 3D'01: 20461 | 3D'03: 6336 | 3D'05: 2677 | PC'04: 4605 | PC'02: 7691,9092,1250 |
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DriverHeaven Junior Member
Join Date: Jun 2004
Posts: 26
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nah of course the voltage is at 2.x and not 1.x. that was just a typo. AGP/PCI are locked as well.
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#8 |
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HardwareHeaven Extreme Member
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Try raising the tRCD memory setting to 3 or 4.
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#9 |
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9500pro Forever
Join Date: Oct 2003
Location: Bath, UK
Posts: 273
Rep Power: 0 ![]() |
So your RAM setting is at 166, and HTT at 250. Is my Math correct here:
(250/200)*166 = 1.25*166 = 207.5, so your DDR 400 RAM is running at DDR 415 ... not an amazing overclock, but an overclock all the same. I know you said you tried the RAM at the 133 setting, but have another go maybe because this would allow you (running the RAM @ the 207.5 found previously): (207.5/133)*200 = 1.56*200 = 312HTT So at 312 HTT you could have a cpu at 312*9 = 2808, ok your CPU will never hack that without some liquid nitrogen and lots of voltage adjustment, but you see my point, try relaxing the memory setting again (staying at SPD timings), it doesnt make sence that it makes the situation worse
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DriverHeaven Junior Member
Join Date: Jun 2004
Posts: 26
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@davidnsibs:
I would love to put the RAM down to 133 to get the HTT up, but no matter what I try: as soon as I have my memory at 133 and put the HTT above 220, the machine does not POST. Ain't that rediculous? I can set the memory down to 100 but then I will have very slow memory, even if I push the HTT above 280. The point is: why doesn't my memory like the 133 mhz? Might this be a BIOS issue? On a sidenote: Can you guys recommend a budget memory to fit this situation? I think I am going to try and return these sticks. |
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#11 |
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9500pro Forever
Join Date: Oct 2003
Location: Bath, UK
Posts: 273
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alright, ive been having a little look on msi's website and might be able to suggest something. there are reccommended slots to use for your RAM, especially if its double sided (which i guess it will be if its value 512mb ddr400). see this webpage:
http://www.msi.com.tw/program/produc...il.php?UID=572 now notice if you use slots 1 and 2 then you can run @ ddr400, but use slots 2 and 3 and can only use ddr333, maybe youve got yours in 2 and 3, so maybe try to swap them to 1 and 2 instead. if not, sorry, thats my best guess :-) oh i suppose youve got the latest bios installed yeah? EDIT: oops sorry got the wrong socket, its this page: http://www.msi.com.tw/program/produc...il.php?UID=607 so you want slots 1 and 2 _or_ 3 and 4 but _not_ 1 and 3
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![]() Goodbye 9500pro, you've been a faithful servant through Half life, Deus Ex, Unreal 2, Max Payne 1+2, Nolf 1+2, CoD, Far Cry, Civ IV, F.E.A.R and many more |
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#12 |
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HardwareHeaven Extreme Member
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If you're going to exchange try to get some memory from Corsair or OCZ. It seems the board just doesn't like to OC your memory
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DriverHeaven Junior Member
Join Date: Jun 2004
Posts: 26
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Quote:
BIOS is the latest beta... this is so odd it can only be a bug I guess. I don't see any reason why I would not be able to get the RAM working at ddr266. |
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DriverHeaven Junior Member
Join Date: Jun 2004
Posts: 26
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Quote:
this is wierd. |
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#15 |
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HardwareHeaven Extreme Member
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If you want to OC the HTT make sure you are setting up the cpu voltage correctly. Set cpu voltage to 1.4v and set the Over Hammer VID setting to +10%. If you dont want to give the cpu that much voltage leave the VID at +10% and drop the cpu voltage to 1.3v. Having this at +10% is very important for OCing the htt and if you haven't set it like this its probably not your mem holding you back. Give it a shot.
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DriverHeaven Junior Member
Join Date: Jun 2004
Posts: 26
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@dipstick
I am already running the CPU with 1.550 +5% and also tried higher settings. The thing is, with my older (slower DDR266) Ram I was able to push the HTT to 280 easily. I basically kept the same settings and only replaced the old RAM with newer (supposed to be faster DDR400) Ram and the system started spitting it back at me. |
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#17 |
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9500pro Forever
Join Date: Oct 2003
Location: Bath, UK
Posts: 273
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just noticed your HT freq setting. your board is rated at 1000 (200*5) but your only using a multi of 3, so having a ht of 250*3 = 750. surely you could do 250*4 = 1000 and have a performance boost
__________________
![]() Goodbye 9500pro, you've been a faithful servant through Half life, Deus Ex, Unreal 2, Max Payne 1+2, Nolf 1+2, CoD, Far Cry, Civ IV, F.E.A.R and many more |
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DriverHeaven Junior Member
Join Date: Jun 2004
Posts: 26
Rep Power: 0 ![]() |
Quote:
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#19 |
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The Great DaK
Join Date: Jan 2004
Posts: 317
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Higher HT frequency doesn't increase performance, sorry to break it to ya. A few thigns you could try, set the AGP Frequency to 67mhz, most people don't realize that the locks aren't enabled on the neo baord unless you set the AGP frequency to 67. Either buy some new ram, I'd reccomend find some old BH-5 or get these new TCCD chips which are pretty bitchin. All the new stuff the new Kingston ultra low latency, OCZ PC3200EL Rev. 2, PQI 3200, etc. What heatsink/fan you using on your winchester?
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P2 X4 @ 3.6ghz, 4gb ddr3, SSD, 5870 @ 950/1250 + a 3ghz i5 lappy
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DriverHeaven Junior Member
Join Date: Jun 2004
Posts: 26
Rep Power: 0 ![]() |
thanks crapola. The AGP is set to 67. I think the RAM is crap. Going to replace it and I am not going to spend a fortune on those ultra low latency chips. All I want is stable RAM at around 200 Mhz.
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#21 |
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The Great DaK
Join Date: Jan 2004
Posts: 317
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Here's my reccomendation if jsut want stable DDR400 (if you OC and use a diveder) buy the older Corsair XMS PC3200. They're CH-5 sticks I believe and can do 2-3-2-5 timings (I have these), now they're cheap I've seen them for $100 for 512mb, great performance and timings for the price.
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P2 X4 @ 3.6ghz, 4gb ddr3, SSD, 5870 @ 950/1250 + a 3ghz i5 lappy
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DriverHeaven Junior Member
Join Date: Jun 2004
Posts: 26
Rep Power: 0 ![]() |
ok guys, thanks for all your recommendations. I trashed that TwinMOS memory and got my self some high speed PQI PC3200 Turbo (rated 2-2-2-5 at DDR400). I am running these babies without any divider at a 1:1 ratio at 267 Mhz (4-4-8, but I am trying to lower that). Rock solid stable. Now I can virtually fly through Half-Life 2.
Those sticks were not exactly cheap though. It's probably the most expensive RAM I ever bought. Paid 260 Euros for 1 Gig ![]() Anyways, thanks to all! Take care. |
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