I've heard of many 700E cC0 chips, I just got a 600E cC0... I'm excited to see what it can do. More mosts with results soon.
A 600E cC0 part
- Thread starter Lecho
- Start date
Uh, so where did you get it? How much? Do they have any more? What's the S-spec? Let's see a picture? Hurry up!
Ok, finally what you've waited so long for... (hey, I'm lasy)
First, I bought the chip from Advanced PCBoostfor $145 OEM on November 19. The S-Spec is SL4CM and it is interesting because the default voltage is 1.7 not 1.65 which made me wonder about the OC'ing prospects... Also very strange was the fact that it was manufactured in the Phillipines not Malaysia as all other Intel FlipChips I have seen were. So here are the results...
I plugged the chip into an ASUS CUBX MoBo with 128MB of Kingmax PC150 CAS2 and slapped an Alpha FC-PAL35U on top. After, for some reason, having to install Win 98 @ 400Mhz (6*66) I pushed the thing imediately to 800 (6*133) expecting no problems, and receiving such in return. At this speed I installed the rest of my software including Win 2K. Indeed this confirms the fact that 600E's and 800EB's are really the same chip (an example that shows that overclocking is no different than what the CPu manufacturers do themselves) because the BIOS recognized it as an 800EB not as just an 800E. Anyway, next I tried 840 (6*140) it worked perfectly. Logically, I booted @ 900 (6*150), my goal, and it wouldn't POST @ 1.7, 1.75, or even 1.8V. At 1.85V (and running awfully hot) it would Post but Win 98 and 2K would both biff it during startup reporting different strange errors like no ACPI BIOS....
I was a little angry with ASUS because I knew that the RAM wasn't the problem and doubted that the CPU and Video card were responsible. For being the best and one the latest BX boards around I was dissapointed that the CUBX wouldn't run at 150 FSB and only offered high-end speeds of 133,140, and 150. Then I of course was limitted to an 240Mhz overclock, which is not bad, but I knew I could do better.
So the other day, I dissasembled the system and took some pictures of the parts (you'll unfortunately have to wait to see them... I don't have a digital camera). I reseated everything and applied some thermal paste, which I had not done before, and attempted once more.
I am proud to say that it now runs 100% stable at 900Mhz, and default voltage! I haven't had any problems with the high AGP and PCI clocks either. Of course can't run it any higher in a BX board, but I'd be interested in what it could do in a Solano board.
First, I bought the chip from Advanced PCBoostfor $145 OEM on November 19. The S-Spec is SL4CM and it is interesting because the default voltage is 1.7 not 1.65 which made me wonder about the OC'ing prospects... Also very strange was the fact that it was manufactured in the Phillipines not Malaysia as all other Intel FlipChips I have seen were. So here are the results...
I plugged the chip into an ASUS CUBX MoBo with 128MB of Kingmax PC150 CAS2 and slapped an Alpha FC-PAL35U on top. After, for some reason, having to install Win 98 @ 400Mhz (6*66) I pushed the thing imediately to 800 (6*133) expecting no problems, and receiving such in return. At this speed I installed the rest of my software including Win 2K. Indeed this confirms the fact that 600E's and 800EB's are really the same chip (an example that shows that overclocking is no different than what the CPu manufacturers do themselves) because the BIOS recognized it as an 800EB not as just an 800E. Anyway, next I tried 840 (6*140) it worked perfectly. Logically, I booted @ 900 (6*150), my goal, and it wouldn't POST @ 1.7, 1.75, or even 1.8V. At 1.85V (and running awfully hot) it would Post but Win 98 and 2K would both biff it during startup reporting different strange errors like no ACPI BIOS....
I was a little angry with ASUS because I knew that the RAM wasn't the problem and doubted that the CPU and Video card were responsible. For being the best and one the latest BX boards around I was dissapointed that the CUBX wouldn't run at 150 FSB and only offered high-end speeds of 133,140, and 150. Then I of course was limitted to an 240Mhz overclock, which is not bad, but I knew I could do better.
So the other day, I dissasembled the system and took some pictures of the parts (you'll unfortunately have to wait to see them... I don't have a digital camera). I reseated everything and applied some thermal paste, which I had not done before, and attempted once more.
I am proud to say that it now runs 100% stable at 900Mhz, and default voltage! I haven't had any problems with the high AGP and PCI clocks either. Of course can't run it any higher in a BX board, but I'd be interested in what it could do in a Solano board.
Glad to see you got it going at 150 FSB. I wouldn't recommend using a CPU again without thermal paste. It obviously does make a significant difference.
Yeah, that was a pretty big risk, not using any thermal paste, but luckily nothing bad happened. Are you going to push it any higher?
That's weird that thermal paste would make such a difference especially @ default voltage. I am using 128MB of Kingmax PC150 CAS2, a Maxtor DiamondMax Plus 40 HD, and an ASUS V7700 32MB. It's really great because the Kingmax runs CAS2 even @ 150FSB, an advantage over the Infineon modules I had originally planned to use... It was risky, and the Kingmax was cheaper too!! The Maxtor runs beautifully quiet, so much for that high PCI speed theory. And I selected the ASUS partially because I knew it could handle the 100Mhz AGP bus...
It's not wierd at all. The surfaces of the processors and heatsinks both contain imperfections, irregularities and when mated allow gaps. The gaps are filled with the same air we breathe and that air, though thick enough to bring oxygen to our lungs, does not transfer heat as well as is needed for efficient heat transfer from a processor to a heatsink. The heatsink compound (thermal paste or whatever - pads included) fills those gaps with a heat conductive material so that the heat from your CPU can be transferred to the heatsink and the heatdissapated by the fan.
Though a dry heatsink to CPU joint is indeed better than no heatsink at all, the efficiency of the heatsink is dramatically less without using the conductive material at the joint.
The comment was made that you are very lucky not to have damaged your processor - that was not a joke. Note the post where compuwiz1 reports "killing a CPU" - through misfortune, the CPU/heatsink mating in his test system was not providing full contact and yes, the CPU he was testing was destroyed - by heat. You risked doing the same to your new PIII-600E.
In any case, any damage you may have done will perhaps not show up for a year or two and by that time you'll be upgrading again. Hopefully, your luck will not inspire others to risk their nice new CPU's by taking a shortcut with the cooling.
This is not intended as a flame post toward you or anyione else but rather a caution to use good procedures to insure the best operation and reliability when handling/installing components. You should hear me go on about electro-static-discharge
Happy Overclocking!
Though a dry heatsink to CPU joint is indeed better than no heatsink at all, the efficiency of the heatsink is dramatically less without using the conductive material at the joint.
The comment was made that you are very lucky not to have damaged your processor - that was not a joke. Note the post where compuwiz1 reports "killing a CPU" - through misfortune, the CPU/heatsink mating in his test system was not providing full contact and yes, the CPU he was testing was destroyed - by heat. You risked doing the same to your new PIII-600E.
In any case, any damage you may have done will perhaps not show up for a year or two and by that time you'll be upgrading again. Hopefully, your luck will not inspire others to risk their nice new CPU's by taking a shortcut with the cooling.
This is not intended as a flame post toward you or anyione else but rather a caution to use good procedures to insure the best operation and reliability when handling/installing components. You should hear me go on about electro-static-discharge
Happy Overclocking!
I can run it any higher with a BX board, but I am going to see if I can get my hands on an 815 board, just to see what the chip itself can do.
not to detract from a nice overclock, but blows my mind that people would fire up a chip at any speed w/out thermal paste.
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